30 Mar 2012 For Immediate Release MEDIA RELEASE ELECTRICITY TARIFF REVISION FOR THE PERIOD 1 APRIL TO 30 JUNE 2012 1. For the period from 1 Apr to 30 Jun 2012 the electricity tariffs will increase by 4.3% as higher fuel prices have resulted in higher power generation costs. The average fuel oil price over the last three months (1 Jan to 15 Mar 2012) increased by 7.3% from S$127.07 to S$136.37 per barrel. This increase in fuel oil prices saw a corresponding increase in the price of natural gas which is used for power generation in Singapore. 2. The electricity tariff for households will increase by 4.3% (or 1.19 cents per kWh) from 27.59 to 28.78 cents per kWh. This will increase the average monthly electricity bill for families living in four-room HDB flats by $4.18. 3. SP Services reviews the electricity tariffs quarterly based on guidelines set by the Energy Market Authority (EMA), the electricity industry regulator. The latest tariffs given in Appendix 1 have been approved by the EMA. _______________________________________________________________________________________________________ Issued by: SP Services Limited 10 Pasir Panjang Road #03-01 Mapletree Business City Singapore 117438 Co. Reg No : 199504470N www.spservices.com.sg SP Services Ltd 10 Pasir Panjang Road #03-01 Mapletree Business City Singapore 117438 Tel (65) 6378 8888 www.spservices.com.sg Co. Registration No.: 199504470N SP Services Ltd 10 Pasir Panjang Road #03-01 Mapletree Business City Singapore 117438 Tel (65) 6378 8888 www.spservices.com.sg Co. Registration No.: 199504470N Appendix 1 Appendix 2 Breakdown of Electricity Tariff 1. The electricity tariff consists of the following four components: a) Energy cost (paid to the generation companies): This will increase by 1.20 cents per kWh from 22.53 cents per kWh to 23.73 cents per kWh in Q2 2012. This component is adjusted quarterly to reflect changes in the cost of power generation. b) Network cost (paid to SP PowerAssets): Remains unchanged at 4.78 cents per kWh. This fee is reviewed annually and was last reduced by 2.8% in April 2011. c) Market Support Services Fee (paid to SP Services): Remains unchanged at 0.22 cents per kWh. This fee is reviewed annually and has been reduced by 21% since July 2009. d) Market Administration and Power System Operation Fee (paid to Energy Market Company and Power System Operator): Reduced by 0.01 cent per kWh from 0.06 cent/kWh to 0.05 cent/kWh. This fee is reviewed annually to recover the costs of operating the electricity wholesale market and power system. Q2 2012 Tariff Energy Costs 23.73¢/kWh Increased by 1.20¢/kWh Generation Companies Network Costs 4.78¢/kWh MSS Fee 0.22¢/kWh Market Admin & PSO Fee 0.05¢/kWh Unchanged Unchanged Reduced by 0.01¢/kWh SP PowerAssets SP Services Power System Operator & Energy Market Company SP Services Ltd 10 Pasir Panjang Road #03-01 Mapletree Business City Singapore 117438 Tel (65) 6378 8888 www.spservices.com.sg Co. Registration No.: 199504470N SP Services Ltd 10 Pasir Panjang Road #03-01 Mapletree Business City Singapore 117438 Tel (65) 6378 8888 www.spservices.com.sg Co. Registration No.: 199504470N Appendix 3

Media Coverage Catch the latest news on SP All Years 06 Mar 2023 The Business Times - SP Group secures first utility-scale solar assets in Vietnam Source: The Business Times © Singapore Press Holdings Limited. Permission required for reproduction. 05 Jan 2023 The Straits Times - He connects the nation to Singapore’s electricity grid Source: The Straits Times © Singapore Press Holdings Limited. Permission required for reproduction. 29 Nov 2022 The Straits Times - Making air-conditioning greener - How he is helping Singaporeans reduce their carbon footprint Source: The Straits Times © Singapore Press Holdings Limited. Permission required for reproduction. 02 Nov 2022 Berita Harian - SP Group continues to support the community Source: Berita Harian © Singapore Press Holdings Limited. Permission required for reproduction. 01 Nov 2022 Lianhe Zaobao - Community Chest raised over $61m in last financial year Source: Lianhe Zaobao © Singapore Press Holdings Limited. Permission required for reproduction. 15 Oct 2022 The Straits Times - Low-income families get mini-library to encourage kids to read Source: The Straits Times © Singapore Press Holdings Limited. Permission required for reproduction. 16 Jul 2022 The Straits Times - SP Group sponsors staff for engineering degree course in SIT tie-up Source: The Straits Times © Singapore Press Holdings Limited. Permission required for reproduction. 30 Jun 2022 The Business Times - Toyota seeks to shed light on future in car-light towns Source: The Business Times © Singapore Press Holdings Limited. Permission required for reproduction. 29 Jun 2022 The Straits Times - Tengah residents to get dedicated car-sharing service from June next year Source: The Straits Times © Singapore Press Holdings Limited. Permission required for reproduction. 21 Jun 2022 The Straits Times - SP Group gives $1.1m to help kids from needy families Source: The Straits Times © Singapore Press Holdings Limited. Permission required for reproduction. 1 ... 11 12 13 ... 47

Singapore Institute of Power and Gas Lightning and Lightning Protection Course Code: ERG05 SFC-Eligible | Course Reference Number: TGS-2022012931 COURSE OBJECTIVES Upon completion of this course, participants will be able to: • Learn the effects of lightning and design methods • Know the lightning risk and risk management • Understand the statutory requirement for submission and building top MAIN CONTENTS • Introduction to lightning and its parameters • Statutory requirement and submission procedure • Updates of SS 555:2018 • Damages and losses caused by lightning • Classification of risk and risk management • Design methods of lightning protection system • Lightning earth and bonding • Selection of surge protection devices for sensitive equipment • Case studies METHODOLOGY Lecture TARGET AUDIENCE Contractors, Engineers who are required to carry out lightning protection planning, design, installation, and system implementation in buildings. COURSE DETAILS Duration : 14 hours Mode of Delivery : Face-to-face or Synchronous E-learning Certification : SIPG Certificate of Completion PDU by PE Board : 13 Additional Requirement/s : Not applicable COURSE FEES Full Course Fee : S$700 (before GST) For Singapore Citizens/PR/LTVP+* : S$210 (before GST) For Singapore Citizens (40 years old and above) : S$70 (before GST) Singapore Institute of Power and Gas Pte Ltd UEN: 201427065Z 2 Kallang Sector, Singapore 349277 Ver 3.2_0323 Singapore Institute of Power and Gas ADDITIONAL REMARKS • Trainee must attain at least 75% attendance rate and pass the assessment to receive Certificate of Completion and funding grant (if applicable). • Subsidy of up to 70% is applicable for Singapore Citizens, Permanent Residents or Long-Term Visitor Pass Plus (LTVP+) Holders, subject to funding agency’s approval. • Enhanced subsidy of up to 90% is applicable for Singapore Citizens aged 40 years and above, subject to funding agency’s approval. Note that GST payable will be computed from fee after 70% funding. • Professional Development Unit (PDU) is applicable for Professional Engineers registered under the Professional Engineers (PE) Board only. • All published fees are subject to prevailing GST. CONTACT US For more information, please contact SIPG at +65 6916 7930 or email training-institute@spgroup.com.sg. OTHER SIPG COURSES For more courses, visit our website at: https://www.spgroup.com.sg/about-us/training or Scan the QR code below: Singapore Institute of Power and Gas Pte Ltd UEN: 201427065Z 2 Kallang Sector, Singapore 349277 Ver 3.2_0323

Green Financing Framework 8 th March 2021 Table of Contents 1 Background .......................................................................................................................... 3 1.1 SP Group overview ...................................................................................................................... 3 1.2 Sustainability, an integral part of the Group’s strategy .............................................................. 3 2 SP Group Green Financing Framework .................................................................................. 5 2.1 Use of Proceeds .......................................................................................................................... 5 2.2 Process for Project Selection and Evaluation ............................................................................. 7 2.3 Management of Proceeds ........................................................................................................... 8 2.4 Reporting..................................................................................................................................... 8 2.4.1 Allocation reporting ................................................................................................................ 8 2.4.2 Impact reporting ..................................................................................................................... 9 2.5 External Review – Second Party Opinion .................................................................................. 10 Acknowledgment .................................................................................................................................. 10 SP Group enables a low-carbon and sustainable future for Singapore. 2 1 Background 1.1 SP Group overview Singapore Power Limited and its subsidiaries (“SP Group” or the “Company”) is a leading energy utility company in Asia Pacific, with total assets and RDA debit balances of S$20.0 billion as of March 31, 2020 and S$1.0 billion of net profit for the financial year ended March 31, 2020 1 . SP Group owns and operates electricity and gas transmission and distribution businesses and a market support services business in Singapore, and holds an interest in two Australian companies which are engaged in the transmission and distribution of electricity and gas in Australia. SP Group also owns and operates one of the world’s largest underground district cooling network that is located in Singapore, and SP Group has also set up district cooling and heating operations in China. As of March 31, 2020, SP Group’s Electricity T&D Business, Gas T&D Business and Market Support Services Business serve more than 1.65 million industrial, commercial and residential customers in Singapore. SP Group’s electricity and gas transmission and distribution networks are amongst the most reliable and cost-effective worldwide. 1.2 Sustainability, an integral part of the Group’s strategy SP Group’s mission is to deliver reliable and efficient utilities services to enhance the economy and the quality of life of our consumers. With the energy industry rapidly evolving, we play an essential role in clean energy transition. This mission is rooted in our value system of commitment, integrity, passion and teamwork. Sustainability is central to our mission and guides us to achieve our mission in a responsible and committed manner. As a leading energy utilities company, we anchor our sustainability strategy around the United Nation’s Sustainable Development Goal (SDG) 7 – to ensure access to reliable, sustainable and modern energy for all. We aspire to be a leading utilities company in a low-carbon future. Providing energy that is reliable and sustainable is central to this long-term strategy. We recognise that to enable this clean transition, we need to invest in innovative technologies and infrastructure. We also understand that our actions need to extend beyond our own operations, to those of our customers who can create a large share of the impact through their choices and decisions. SP Group has established a “30-30-30 target” 2 : to add at least 30 per cent value to our customers and reduce our carbon footprint by 30 per cent, by 2030. 1 For latest financial information, please refer to latest SP Group Treasury Pte. Ltd.’s Global Medium Term Note Program Offering Circular available at: https://www.spgroup.com.sg/about-us/investor-relations 2 For detailed information: https://www.poweringthenation.sg/sustainability/our-sustainability-review 3 For that reason, SP Group has developed strategies to leverage on sustainable solutions and innovations that help to better serve customers’ needs and lifestyles. As an illustration, SP Group is working to achieve 100 per cent electrification of its vehicle fleet by 2030, while simultaneously promoting the adoption of Electric Vehicles in Singapore through building Singapore’s largest public Electric Vehicle charging network, in line with the Singapore government’s longer term plan to build 28,000 electric vehicle charging points by 2030 and to phase out internal combustion engine vehicles by 2040 3 . SP Group’s direct current fast charging points offer our customers a convenient and quick way to charge their electric vehicles. As part of our 30-30-30 target, energy efficiency is critical in reducing our carbon footprint. Our ongoing investments in district cooling and heating solutions is an example of an energy and economically efficient urban utility service. While conventional air conditioning or heating are typically decentralized in individual properties, district cooling and heating involves the centralized production of chilled and hot water piped to commercial buildings, thereby reaping benefits of economies of scale . An example is in Marina Bay area, Singapore, where SP Group owns and operates one of the world’s largest underground district cooling network. Connected buildings enjoy up to 40% energy savings 4 . Beyond Singapore, SP Group has also expanded its district cooling and heating footprint to China where it has been providing such solutions to commercial customers since 2019. For example, SP Group has designed, built and been operating an advanced district cooling system since September 2019 for CapitaLand’s Raffles City Chongqing development, a prime landmark strategically located in the heart of Chongqing, China. Considering the increase in air-conditioning use in the past two decades, led by China, where energy demand for space cooling has grown at an average of 13% per year 4 , the district cooling and heating solutions provided by SP Group can make a difference in mitigating greenhouse gas emissions. In this context, SP Group has established a Green Financing Framework which focuses on meeting climate and other environmental challenges, while simultaneously responding to increasing investor demand for positive environmental impact investments with a greater transparency in terms of use of proceeds and the funded projects’ / investments’ impact on the environment. This would also be a way to reinforce our strategy to expedite clean energy transition and create low-carbon and smart energy cities. 3 https://www.reuters.com/article/us-singapore-economy-budget-autos-idUSKBN20C15D 4 https://www.bloomberg.com/news/features/2020-06-08/singapore-finds-a-way-to-make-air-conditionersgreener 4 2 SP Group Green Financing Framework The SP Group Green Financing Framework sets out the criteria, governance and processes under which SP Group, including any of its subsidiaries, intends to issue green bonds, loans, green letter of credit facilities, private placements or any other green financing instruments (together “Green Financing Instruments”), and in doing so contribute to positive environmental impacts. This Framework is in line with: - International Capital Market Association (“ICMA”) Green Bond Principles 2018 (“GBP”); - ASEAN Capital Markets Forum (“ACMF”) ASEAN Green Bond Standards 2018 (“GBS”); - Loan Market Association (“LMA”), Loan Syndications and Trading Association (“LSTA”) and Asia Pacific Loan Market Association (“APLMA”) Green Loan Principles 2020 (“GLP”) This Framework has five key pillars: 1 Use of Proceeds 2 Process for Project Evaluation and Selection 3 Management of Proceeds 4 Reporting 5 External Review 2.1 Use of Proceeds Any Green Financing Instruments issued by SP Group (or any of its subsidiaries) will be used to finance and/or re-finance, in whole or in part, new or existing projects, under construction and / or in operation (“Eligible Projects”) from any of the eligible green categories (“Eligible Green Categories” as defined below). For the avoidance of doubt, for new projects or assets, the proceeds can finance assets during the construction and/or operational phase. For re-financing of Eligible Projects, SP Group will limit the ‘look back’ period to 36 months from the date of the Green Financing Instrument transaction. 5 Eligible Green Categories Alignment with GBP/GBS/GLP Clean Transportation Energy Efficiency Green Buildings Renewable Energy Use of Proceeds / Eligibility Criteria 1. Acquisition, construction, development, deployment, operation and/or maintenance of Electric Vehicles for SP Group’s vehicle fleet based in Singapore 2. Investments in development, construction and maintenance of charging infrastructure for Electric Vehicles 1. Acquisition, construction, development, deployment, operation and/or maintenance of projects that reduce the amount of energy consumption, improve energy efficiency and/or reduce electricity grid losses, including but not limited to: 1.1. Investments into development of energy efficiency assets such as district cooling and heating solutions 1.2. Microgrids 1.3. Energy storage systems 1. Acquisition, construction, development, operation, renovation and/or maintenance of certified Green Buildings, such as BCA Green Mark (Gold or above) or equivalent 1. Acquisition, construction, development, deployment, operation and/or maintenance of infrastructure related to renewable energy including but not limited to solar energy (solar photovoltaic and concentrated solar power systems), offshore and onshore wind, hydropower (below 25MW) and geothermal (below 100g CO2/kWh), for purposes such as: 1.1. generation and storage of such renewable energy; 1.2. connection and/or integration of such renewable energy’s generation/storage sources to the grid; and/or 1.3. transmission and distribution of such renewable energy Exclusion Criteria Projects that do not fall into the Eligible Green Categories as listed above will not be eligible under this Framework. Explicitly, the type of projects related to transmission of energy from fossil fuel and sectors listed in the IFC Exclusion List (2007) 5 shall be excluded from this Framework. 5 https://www.ifc.org/wps/wcm/connect/topics_ext_content/ifc_external_corporate_site/sustainability-atifc/company-resources/ifcexclusionlist 6 2.2 Process for Project Selection and Evaluation SP Group’s Treasury team will be responsible for governing and monitoring the SP Group Green Financing Framework. The key roles include the below: Review, select and validate the pool of Eligible Projects based on the Green Financing Framework on an annual basis Exclude projects that no longer comply with the Eligibility Criteria or have been disposed of, and replace them on a best-efforts basis with new Eligible Projects during annual review of outstanding Green Financing Instruments Replace with an equivalent value of new Eligible Projects if any validated Eligible Projects mature during the life of any Green Financing Instrument Create and validate the annual reporting on Green Financing Instruments issued under this Framework for investors and lenders Monitor on-going evolution related to the sustainable financing market practices in terms of disclosure / reporting in order to be in-line with best market practices The Chief Financial Officer of SP Group has the right of veto on decisions made by the Treasury team while performing above key roles. SP Group operates one of the world’s largest underground district cooling system that supplies chilled water for air conditioning to buildings in the Marina Bay area. Connected buildings enjoy up to 40% energy savings. 7 2.3 Management of Proceeds SP Group intends to allocate the proceeds to fund Eligible Projects under the Eligible Green Categories, selected in accordance with the use of proceeds criteria and evaluation and selection process presented above. These projects may consist of new and / or existing projects. A Green Financing Register will be established to earmark the proceeds of the Green Financing Instruments against assessed and selected Eligible Projects following the process described in section 2.2 above. SP Group will strive to maintain a level of allocation which, after adjustments for intervening circumstances including, but not limited to, divestments, matches or exceeds the balance of net proceeds from its outstanding Green Financing Instruments. Additional Eligible Projects will be added to the Green Financing Register to the extent required to ensure that an amount equal to the net proceeds from outstanding Green Financing Instruments will be allocated to Eligible Projects until the maturity of the instruments. Pending the full allocation of the proceeds, the balance of unallocated proceeds shall be invested at SP Group’s discretion, in cash and/or cash equivalent and/or other liquid marketable instruments, as per SP Group’s treasury policy and the Exclusion Criteria. 2.4 Reporting SP Group commits to transparent reporting on its Green Financing Instruments. A Green Financing Report will be made available to investors and lenders within one year from the date of the issuance of the Green Financing Instruments and thereafter once a year until the proceeds have been fully allocated. The respective Green Financing Report will consist of both i) allocation reporting and ii) impact reporting. Green Financing Reports will be available on SP Group’s website. Once fully allocated, in case of material changes to the allocation of any Green Financing Instrument, SP Group will provide the updated information to the investors and lenders on a timely manner. 2.4.1 Allocation reporting To the extent practicable, this will detail: − − − − The amounts allocated in the respective Eligible Green Categories A qualitative description of key Eligible Projects funded by the Green Financing Instrument proceeds The proportion of new financing versus re-financing The balance of unallocated proceeds 8 2.4.2 Impact reporting Where practical and feasible, SP Group will provide impact reporting for each Eligible Green Category where competition and confidentiality considerations permit. It may contain the following impact metrics for each Eligible Green Category: Eligible Green Categories Clean Transportation Indicative Reporting Indicators • Annual GHG emissions reduced/avoided in tons of CO 2 equivalent • Number or percentage of clean vehicles in fleet • Number of charging infrastructure points installed Energy Efficiency • Annual GHG emissions reduced/avoided in tons of CO 2 equivalent • Number of buildings connected by district cooling network • % energy saving achieved from the baseline • Annual energy savings achieved in MWh/GWh/GJ/TJ • Energy Efficiency Factor (kwh/kWrh or kwh/Refrigerant Ton (“RT”)) • Installed Capacity (RT) Green Buildings • Number and m 2 of Gross Building Area of Green Buildings certified and the certification label and level achieved • Annual GHG emissions avoided in tons of CO 2 equivalent • Energy performance of kWh/ m 2 of Gross Building Area annually • Energy use avoidance Renewable Energy • Renewable energy generation in MWh • Annual GHG emissions avoided in tons of CO 2 equivalent All assumptions and methodologies used to calculate impact amounts will be disclosed in the annual reporting at the relevant section. 9 2.5 External Review – Second Party Opinion SP Group’s Green Financing Framework has been reviewed by Sustainalytics who has issued a Second Party Opinion to confirm the alignment with ICMA Green Bond Principles, ASEAN Green Bond Standards and LMA/LSTA/APLMA Green Loan Principles. This Second Party Opinion document will be made publicly available on SP Group’s website. Acknowledgment This Green Financing Framework has been developed with thanks to: 10

Media Coverage Catch the latest news on SP All Years 12 Dec 2020 The Sunday Times - 'Eco boards' to track utilities usage at five Tampines HDB blocks Source: The Sunday Times © Singapore Press Holdings Limited. Permission required for reproduction. 12 Dec 2020 Lianhe Zaobao - Screen at void deck to help residents understand their electricity and water consumption Source: Lianhe Zaobao © Singapore Press Holdings Limited. Permission required for reproduction. 12 Dec 2020 Berita Minggu - Masagos: Tampines will be Singapore's first eco town Source: Berita Minggu © Singapore Press Holdings Limited. Permission required for reproduction. 11 Dec 2020 Lianhe Wanbao - 5 Tampines HDB buildings to install screen showing water and electricity usage Source: Lianhe Wanbao © Singapore Press Holdings Limited. Permission required for reproduction. 11 Dec 2020 Shin Min Daily News - Residents can be more aware of their water and electricity consumption via Eco-Boards Source: Shin Min Daily News © Singapore Press Holdings Limited. Permission required for reproduction. 16 Nov 2020 Lianhe Zaobao - Tax rebates for low emission vehicles to increase by another $5000 next year Source: Lianhe Zaobao © Singapore Press Holdings Limited. Permission required for reproduction. 16 Nov 2020 Business Times - Singapore gears up for cleaner cars with bigger rebates EV battery leasing Source: Business Times © Singapore Press Holdings Limited. Permission required for reproduction. 16 Nov 2020 Straits Times - Higher rebates surcharges to cut vehicle emissions from next year Source: Straits Times © Singapore Press Holdings Limited. Permission required for reproduction. 04 Nov 2020 The Business Times Online - CapitaLand, SP Group and Sembcorp to explore green data centres Source: The Business Times Online © Singapore Press Holdings Limited. Permission required for reproduction. 04 Nov 2020 The Straits Times Online - CapitaLand, SP Group and Sembcorp to explore green data centres Source: The Straits Times Online © Singapore Press Holdings Limited. Permission required for reproduction. 1 ... 20 21 22 ... 47

Media Release Electricity Tariff Revision for the Period 1 April to 30 June 2022 Singapore, 31 March 2022 – For the period from 1 April to 30 June 2022, electricity tariff (before 7% GST) will increase by an average of 9.9% or 2.49 cents per kWh compared with the previous quarter. The increase is mainly due to higher energy cost arising from significantly higher global gas and oil prices exacerbated by the conflict in Ukraine. For details on the components of the electricity tariff, please refer to Appendix 1: Breakdown of Electricity Tariff. For households, the electricity tariff (before 7% GST) will increase from 25.44 to 27.94 cents per kWh for 1 April to 30 June 2022. The average monthly electricity bill for families living in HDB four-room flats will increase by $8.73 (before 7% GST) (Appendix 3: Average monthly electricity bills of domestic consumers). *before 7% GST SP Group reviews the electricity tariffs every quarter based on guidelines set by the electricity industry regulator, Energy Market Authority (EMA). The tariffs shown in Appendix 2 have been approved by EMA.   Issued by: SP Group 2 Kallang Sector Singapore 349277 www.spgroup.com.sg Appendix 1 BREAKDOWN OF ELECTRICITY TARIFF 1. The electricity tariff consists of the following four components: Energy costs (paid to the generation companies): This component is adjusted quarterly to reflect changes in the cost of fuel and power generation. The fuel cost is the cost of imported natural gas, which is tied to oil prices by commercial contracts. The cost of power generation covers mainly the costs of operating the power stations, such as the manpower and maintenance costs, as well as the capital cost of the stations. Network costs (paid to SP Group): This is to recover the cost of transporting electricity through the power grid. Market Support Services Fee (paid to SP Group): This is to recover the costs of billing and meter reading, data management, retail market systems as well as market development initiatives. Market Administration and Power System Operation Fee (paid to Energy Market Company and Power System Operator): This fee is reviewed annually to recover the costs of operating the electricity wholesale market and power system.   Q2 2022 TARIFF (before 7% GST) Appendix 2 ELECTRICITY TARIFFS FROM 1 APRIL 2022 Appendix 3 AVERAGE MONTHLY ELECTRICITY BILLS OF DOMESTIC CUSTOMERS TARIFF WEF 1 APRIL 2022 (before 7% GST) 

BRUNCH Labrador Tower set to showcase SP Group’s green, digital energy prowess Kalpana Rashiwala Published Fri, Sep 15, 2023 · 5:00 pm The thermal storage tank will be in the basement of the office tower of the Labrador Tower development. PHOTO: SP GROUP THE air-conditioning system in SP Group’s Labrador Tower, an of ce-and-retail project, is expected to be about 50 per cent more energy-ef cient than a conventional air-con system. The energy savings will be achieved through the use of underground thermal-energy storage, a microclimate control system and hybrid active chilled beams. SP Group expects to complete Labrador Tower in mid-2024. It will be near Labrador Park MRT station and a nature reserve. The thermal storage tank will be in the basement of the of ce tower. Installing such a system optimises energy ef ciency for commercial buildings because they are used heavily in the day and are vacant overnight. Cold water generated by the chiller plant at night is stored in the thermal tank and re-used to cool the building in the day, noted Surbana Jurong Group, the architect for the Labrador Tower project. Surbana Jurong also undertook the mechanical, civil and structural engineering works for the project; among other roles, it worked closely with SP Group to develop Labrador Tower’s sustainability goals. “Re-using the cold water from the storage tank allows asset owners to right-size the chiller plant and cooling towers and run the air-conditioning consistently, at optimal load for better ef ciency. The space is then freed up for other commercial uses for a higher rental yield,” Surbana Jurong said. It added that a thermal storage tank is most suitable for commercial buildings. It will not bene t residential buildings, which have a higher load at night. The microclimate control system for Labrador Tower will use SP Group’s Green Energy Tech digital-energy solution. This self-learning building-intelligence system utilises arti cial intelligence and Internet of Things (IoT) to optimise and regulate air-conditioning and maximise energy ef ciency. The technology’s predictive intelligence works together with sensors and smart dampers to take into account, for example, the number of people in the building and the weather, to optimise air- ow to cool areas evenly. The system therefore enhances occupants’ comfort while maximising energy and operational ef ciency. The hybrid active system of chilled beams to be incorporated into Labrador Tower does away with the motors or fans of conventional air-conditioning systems. Chilled water produced by SP Group’s design-patented chillers is delivered directly to the ceilings of the of ce space, cooling the air there by induction and forced convection, thus saving energy. Stanley Huang, group chief executive of cer of SP Group, said: “Leveraging our established suite of sustainable and digital-energy solutions, Labrador Tower has achieved the Green Mark Platinum Super-Low Energy certi cation from the Building and Construction Authority. This serves as a blueprint for similar mixed-use developments seeking higher energy ef ciency.” Under this certi cation, the project targets to deliver energy savings of at least 60 per cent, compared with 2005 Green Mark benchmarks.

SP Energy HubAnnual ReportReliabilitySustainabilityInnovation Our Sustainability Review SUSTAINABILITY Sustainability is central to SP Group’s mission of providing reliable and efficient energy supply to customers. We anchor our sustainability strategy on the United Nation’s Sustainable Development Goal (SDG) 7, which is to ensure access to reliable, sustainable and modern energy for all. To achieve this goal, we focus on strategic areas of network reliability, innovation and customer empowerment. We recognise the need to invest in innovative technologies and infrastructure. Beyond our own operations, we empower customers to make choices in their daily lives that contribute towards a greener energy future. Read our Sustainability Review FY2019/2020 for more details. — 27 July 2020 TAGS SUSTAINABILITY REVIEWSUSTAINABILITY YOU MIGHT BE INTERESTED TO READ SP Group expands sustainable energy operations in China with Chongqing Transport Hub project win STMicroelectronics enhances sustainability with chiller cooling system at Toa Payoh SP signs PPA with BASF for rooftop solar deployment

SP Energy HubAnnual ReportReliabilitySustainabilityInnovation Making air-conditioning greener: Helping Singaporean's reduce carbon footprint SUSTAINABILITY Liu Yue is the deputy lead for the construction of the centralised cooling system in Tengah eco-town. Three years ago, Sustainable Energy Solutions (SES) Principal Engineer Liu Yue was tasked to design and build the first centralised cooling system (CCS) for Tengah eco-town. “We started from ground zero and had our fair share of roadblocks. With all the hard work we put in, it is very rewarding to see everything come to fruition. I am glad to be able to play a part in pioneering the most futuristic town in Singapore towards smart and sustainable living. I guess it's my way of leaving my mark – a green one,” says Mr Liu. Read more about how Liu Yue and the SES team have powered through challenges to deliver solutions that help residents and businesses in Singapore reduce their carbon footprint here: https://spgrp.sg/GreenCCS TAGS SUSTAINABILITY YOU MIGHT BE INTERESTED TO READ SP Group expands sustainable energy operations in China with Chongqing Transport Hub project win STMicroelectronics enhances sustainability with chiller cooling system at Toa Payoh SP signs PPA with BASF for rooftop solar deployment

Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search Search [20150728] Lianhe Zaobao - 200 Spots Islandwide To Charge Mobile Devices For Freehttps://www.spgroup.com.sg/dam/jcr:23668635-af1e-4396-aee9-122f48ccf6c0 Lianhe Zaobao, Page 5, 28 July 2015 ������������������������ ���������������������� �������� Source: Lianhe Zaobao © Singapore Press Holdings Limited. Permission required for reproduction ���������� ������������������������ ���������������������� �������� ����� �������� ������ yangdx@sph.com.sg ��������������������� ��������������������� ��������������������� ����������������������� ������������������������ ����� ����������������������� ����������������������� ������ ��� leeyee@sph.com.sg ����������������������� ����������������������� ������������������������ ������������������ �������� ������������������ ���������� ������������������ ����������� �������� ������������������� ������������ ������� ������ ������������������� �������� ���������� �������� ����������� �������� ������������������������������� ����������� �������� ���������������������� ����������� ������������������ �������� ����������� ����������������������� ������������������ ����� ������������������� ���������������������� ������������������ ����������������������� ������������������� ����������������������� ������������������ ����������������� ��� ���������������������� ����������������������� ����������������� ����������������������� ������������������� �������� ������������������� ����������������������� ������������������������ ����������������������� ������� � � � � ���������������� ����������������� ���������� ��������� ���������� �������� ��������� ���������� ��������� ��������� ���������� ��������� �������� �������� ��������� ��������� ��������� ��������� ���������� ��������� ����� ����������� ��������� [20210322] Media Release - SP Group Partners Chevron to Offer Electric Vehicle Charging at Selected Caltex Service Stationshttps://www.spgroup.com.sg/dam/spgroup/wcm/connect/spgrp/d8f3cb97-70e4-4c5f-bd57-29d857e496c6/%5B20210322%5D+Media+Release+-+SP+Group+Partners+Chevron+to+Offer+Electric+Vehicle+Charging+at+Selected+Caltex+Service+Stations.pdf?MOD=AJPERES&CVID= News Release SP GROUP PARTNERS CHEVRON TO OFFER ELECTRIC VEHICLE CHARGING AT SELECTED CALTEX SERVICE STATIONS Singapore, 22 March 2021 – SP Group (SP) and Chevron Singapore Pte. Ltd., which markets the Caltex TM brand, today announced a partnership to offer fast electric vehicle (EV) charging at selected Caltex service stations, delivering on-the-go convenience to electric vehicle motorists. To be located at four of Caltex’s service stations across Singapore, the initial batch of chargers will be strategically located across the Caltex network, at Chong Pang (North), Changi (East), Jurong Spring (West) and Dunearn (Central). These Caltex service stations will be equipped with 50kW direct current (DC) fast chargers that can charge up an EV in 30 minutes, versus a few hours required by the more commonly available alternating current (AC) chargers. Three service stations will each be equipped with one 50kW direct current (DC) fast charger. The fourth, at Changi, will have two 50kW DC charging points that are designed to allow a compatible car to charge up to a speed of 100kW, provided only one car is utilising the charging points. (Refer to the annex for the addresses of this first batch of service stations.) SP and Caltex will study EV charging usage patterns and behaviour at the stations to refine and enhance accessibility and utilisation, and plan for more charging points and locations. Group Chief Executive Officer of SP, Mr. Stanley Huang, said, “We are pleased to partner Caltex in our first collaboration with a fuels and lubricants retailer. This gives EV drivers greater convenience as it accelerates the accessibility of charging locations that are incorporated in our daily activities. Our aim is to build Singapore’s largest public EV charging network and expand our integrated green mobility solutions to meet the evolving needs and sustainability goals of businesses and individuals.” "Chevron is excited to partner with SP Group to provide EV chargers at selected Caltex stations in Singapore. It is Chevron’s goal to deliver affordable, reliable, and ever-cleaner energy that enables human progress," said Mr. Law Tat Win, Chevron Singapore Country Chairman. "We 1 endeavour to continually test, learn and explore how to enhance our product and service offerings for our Singapore customers at our Caltex stations.” This SP and Caltex partnership will better serve drivers choosing electric vehicles and help achieve a lower-carbon future for Singapore. This includes Caltex’s existing commercial customers who plan to electrify their fleets. Both companies will continue to explore initiatives to meet the EV needs for private ownership and commercial use. The chargers will be installed by the second quarter of 2021 and will be incorporated on the SP Utilities mobile app for ease of use. The SP Utilities mobile app allows EV drivers to search for the availability of the nearest charging points, receive real-time updates on their charging sessions and make direct, cashless payment. -Ends- 2 About SP Group SP Group is a leading utilities group in the Asia Pacific, enabling a low-carbon, smart energy future for its customers. It owns and operates electricity and gas transmission and distribution businesses in Singapore and Australia, and sustainable energy solutions in Singapore and China. As Singapore’s national grid operator, about 1.6 million industrial, commercial and residential customers benefit from its world-class transmission, distribution and market support services. These networks are amongst the most reliable and cost-effective world-wide. Beyond traditional utilities services, SP Group provides a suite of sustainable energy solutions such as cooling and heating systems for business districts and residential townships, electric vehicle fast charging and green digital energy management tools for customers in Singapore and the region. For more information, please visit spgroup.com.sg or for follow us on Facebook at fb.com/SPGroupSG, on LinkedIn at spgrp.sg/linkedin and on Twitter @SPGroupSG. About Chevron Singapore Chevron Singapore Pte. Ltd. markets the 85-year-young Caltex brand, which is Chevron’s customer-facing brand in Asia Pacific and parts of the Middle East and Africa. The Caltex retail network in Singapore consists of 26 Caltex service stations and StarMart-branded convenience stores. All Caltex service stations accept the CaltexGO mobile payment for fuel purchases. Products such as the all new Caltex with Techron® with Clean & Glide Technology™ petrol, Caltex Diesel with TechronD® and Havoline® motor oil are also available at all Caltex service stations. In partnership with NTUC Link, the Plus! loyalty program also enables motorists to earn 3 LinkPoints for every litre of fuel purchased at Caltex. For more information, visit www.caltex.com.sg. 3 ANNEX A: Address of service stations Address Chong Pang (North) 3700 Yishun Ring Rd, Singapore 768690 Changi (East] 78 Changi Rd, Singapore 419714 Jurong Spring (West) 100 Jurong West Ave 1, Singapore 649519 Dunearn (Central) 130 Dunearn Rd, Singapore 309436 4 [20191230] Media Release - Electricity Tariff Revision For The Period 1 Jan - 31 Mar 2020https://www.spgroup.com.sg/dam/spgroup/wcm/connect/spgrp/09726f6b-7280-4049-a757-b9bb75f312d1/%5B20191230%5D+Media+Release+-+Electricity+Tariff+Revision+For+The+Period+1+January+to+31+March.pdf?MOD=AJPERES&CVID= MEDIA RELEASE ELECTRICITY TARIFF REVISION FOR THE PERIOD 1 JANUARY TO 31 MARCH 2020 Singapore, 30 December 2019 – For the period from 1 January to 31 March 2020, electricity tariffs (before 7% GST) will increase by an average of 3.5% or 0.81 cent per kWh compared with the previous quarter. This is due to higher energy cost compared with the previous quarter. For households, the electricity tariff (before 7% GST) will increase from 23.43 to 24.24 cents per kWh for 1 January to 31 March 2020. The average monthly electricity bill for families living in four-room HDB flats will increase by $2.76 (before 7% GST) (see Appendix 3 for the average monthly electricity bill for different household types). Cents/kWh 25.00 24.00 23.00 22.00 21.00 20.00 19.00 18.00 17.00 16.00 15.00 Quarterly Household Electricity Tariff* 24.13 23.65 23.85 24.22 24.24 23.43 22.79 22.15 Apr - Jun '18 Jul - Sep '18 Oct - Dec '18Jan - Mar '19 Apr - Jun '19 Jul - Sep '19 Oct - Dec '19Jan - Mar '20 *before 7% GST SP Group reviews the electricity tariffs quarterly based on guidelines set by the Energy Market Authority (EMA), the electricity industry regulator. The tariffs given in Appendix 1 have been approved by the EMA. Issued by: SP Group 2 Kallang Sector Singapore 349277 www.spgroup.com.sg Appendix 1 ELECTRICITY TARIFFS FROM 1 JANUARY 2020 LOW TENSION SUPPLIES, DOMESTIC All units, ¢/kWh LOW TENSION SUPPLIES, NON-DOMESTIC All units, ¢/kWh HIGH TENSION SMALL (HTS) SUPPLIES Contracted Capacity Charge $/kW/month Uncontracted Capacity Charge $/chargeable kW/month kWh charge, ¢/kWh Peak period (7.00am to 11.00pm) Off-peak period (11.00pm to 7.00am) Reactive power Charge ¢/chargeable kVARh HIGH TENSION LARGE (HTL) SUPPLIES Contracted Capacity Charge $/kW/month Uncontracted Capacity Charge $/chargeable kW/month kWh charge, ¢/kWh Peak period (7.00am to 11.00pm) Off-peak period (11.00pm to 7.00am) Reactive power Charge ¢/chargeable kVARh EXTRA HIGH TENSION (EHT) SUPPLIES Contracted Capacity Charge $/kW/month Uncontracted Capacity Charge $/chargeable kW/month kWh charge, ¢/kWh Peak period (7.00am to 11.00pm) Off-peak period (11.00pm to 7.00am) Reactive power Charge ¢/chargeable kVARh Existing Tariff (without GST) New Tariff (without 7% GST) New Tariff (with 7% GST) 23.43 24.24 25.94 23.43 24.24 25.94 8.90 8.90 9.52 13.35 13.35 14.28 20.85 21.76 23.28 12.71 13.28 14.21 0.59 0.59 0.63 8.90 8.90 9.52 13.35 13.35 14.28 20.63 21.54 23.05 12.70 13.27 14.20 0.59 0.59 0.63 7.87 7.87 8.42 11.81 11.81 12.64 19.72 20.62 22.06 12.60 13.16 14.08 0.48 0.48 0.51 Appendix 2 BREAKDOWN OF ELECTRICITY TARIFF 1. The electricity tariff consists of the following four components: a) Energy costs (paid to the generation companies): This component is adjusted quarterly to reflect changes in the cost of fuel and power generation. The fuel cost is the cost of imported natural gas, which is tied to oil prices by commercial contracts. The cost of power generation covers mainly the costs of operating the power stations, such as the manpower and maintenance costs, as well as the capital cost of the stations. b) Network costs (paid to SP PowerAssets): This fee is reviewed annually. This is to recover the cost of transporting electricity through the power grid. c) Market Support Services Fee (paid to SP Services): This fee is reviewed annually. This is to recover the costs of billing and meter reading, data management, retail market systems as well as for market development initiatives. d) Market Administration and Power System Operation Fee (paid to Energy Market Company and Power System Operator): This fee is reviewed annually to recover the costs of operating the electricity wholesale market and power system. Q1 2020 TARIFF (before 7% GST) Market Admin & PSO Fee (No Change) 0.06¢/kWh (<1%) MSS Fee (No Change) 0.40¢/kWh (1.7%) %) Network Costs (No Change) 5.44¢/kWh (22.4%) Energy Costs (Increase by 0.81¢/kWh) 18.34¢/kWh (75.7%) Appendix 3 AVERAGE MONTHLY ELECTRICITY BILLS OF DOMESTIC CUSTOMERS (TARIFF WEF 1 JANUARY 2020) (before 7% GST) Types of Premises Average monthly consumption per Customer Average Monthly Bill New Average Monthly Bill Average Change in Monthly Bill kWh $(a) $(b) $(b-a) % HDB 1 Room 125.84 29.48 30.50 1.02 3.5 HDB 2 Room 168.47 39.47 40.84 1.37 3.5 HDB 3 Room 249.72 58.51 60.53 2.02 3.5 HDB 4 Room 340.08 79.68 82.44 2.76 3.5 HDB 5 Room 395.84 92.75 95.95 3.20 3.5 HDB Executive 485.11 113.66 117.59 3.93 3.5 Apartment 530.96 124.40 128.70 4.30 3.5 Terrace 803.92 188.36 194.87 6.51 3.5 Semi-Detached 1,084.08 254.00 262.78 8.78 3.5 Bungalow 2,254.95 528.33 546.60 18.27 3.5 Average 396.44 92.89 96.10 3.21 3.5 Average-Water-Consumption--CuM-_May-23-to-Apr-24.xlsxhttps://www.spgroup.com.sg/dam/spgroup/docs/our-services/utilities/tariff-information/Average-Water-Consumption--CuM-_May-23-to-Apr-24.xlsx Consumption_Water Average consumption of Water (CuM) Premises Types May-23 Jun-23 Jul-23 Aug-23 Sep-23 Oct-23 Nov-23 Dec-23 Jan-24 Feb-24 Mar-24 Apr-24 HDB 1-Room 8.0 8.1 8.0 7.9 8.0 8.0 8.0 7.8 7.8 8.0 8.3 8.4 HDB 2-Room 9.6 9.7 9.4 9.5 9.5 9.5 9.6 9.3 9.3 9.3 9.7 10.0 HDB 3-Room 12.2 12.5 12.1 12.4 12.4 12.4 12.3 12.0 12.0 12.2 12.8 12.9 HDB 4-Room 15.4 15.6 15.1 15.5 15.7 15.7 15.5 15.1 15.0 15.5 16.2 16.3 HDB 5-Room 16.7 16.9 16.3 16.8 17.1 17.1 16.9 16.4 16.1 16.7 17.8 17.7 HDB Executive 18.6 18.8 18.2 18.9 19.0 19.2 18.8 18.1 18.1 18.8 19.9 19.7 Apartment 13.7 13.7 13.2 13.3 13.7 13.9 13.7 13.1 12.8 13.1 14.4 14.3 Terrace 25.3 26.0 25.5 25.9 26.0 26.5 26.5 25.2 24.3 25.8 28.0 28.4 Semi-Detached 30.7 30.9 30.7 31.5 31.6 32.9 31.9 30.4 30.0 30.7 34.9 34.6 Bungalow 50.9 48.1 48.0 48.5 51.7 54.8 54.2 48.6 49.4 46.3 59.5 58.1 Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search Search Sustainabilityhttps://www.spgroup.com.sg/about-us/media-resources/energy-hub/sustainability/developing-singapore-s-first-smart-energy-town-in-tengah SP Energy HubAnnual ReportReliabilitySustainabilityInnovation Developing Singapore’s First Smart Energy Town in Tengah SUSTAINABILITY Mr Goh Chee Kiong, Head, Strategic Development, SP Group (extreme right) and Dr Johnny Wong, Group Director, Building Research Institute Singapore, HDB (extreme left) signing the MOU to jointly study the development of Singapore’s first smart energy town in Tengah. The signing was witnessed by National Development and Second Finance Minister, Mr Lawrence Wong (centre) together with Mr Wong Kim Yin, Group CEO, SP Group (second from right) and Dr Cheong Koon Hean, CEO, HDB (second from left) SP Group (SP) and the Housing & Development Board (HDB) will collaborate on an integrated energy masterplan to develop Singapore’s first smart energy town at Tengah. SP and HDB signed the memorandum of understanding on 10 July 2018 at the World Cities Summit 2018, witnessed by Minister for National Development and Second Minister for Finance Mr Lawrence Wong. The masterplan integrates a wide range of energy solutions to help Tengah residents save energy and cost. These include Singapore’s first residential district cooling solution, solar energy, electric vehicle charging points and batteries as a smart energy enabler. SP will develop an integrative software layer called the Smart Energy Concierge, that will integrate the various energy solutions in a coordinated manner to generate efficiencies and energy savings. Enabled by artificial intelligence (AI), it will utilise smart controls, sensors and algorithms to provide the town council and residents with greater insights into managing their energy consumption and creating more savings. — 12 July 2018 TAGS SUSTAINABILITY YOU MIGHT BE INTERESTED TO READ SP Group expands sustainable energy operations in China with Chongqing Transport Hub project win STMicroelectronics enhances sustainability with chiller cooling system at Toa Payoh SP signs PPA with BASF for rooftop solar deployment Category: Sustainability Sustainabilityhttps://www.spgroup.com.sg/about-us/media-resources/energy-hub/sustainability/sp-group-to-green-electricity-substations-for-a-more-sustainable-future SP Energy HubAnnual ReportReliabilitySustainabilityInnovation SP Group to green electricity substations for a more sustainable future SUSTAINABILITY SP will be installing rooftop solar panels at 37 electricity substations by 2025, with a total installed capacity of 15.7 megawatt-peak (MWp). When completed, the combined solar power capacity of 15.7 MWp will deliver up to 21,000 megawatt-hour of renewable electricity into Singapore’s electricity network annually – enough to power more than 4,500 four-room HDB flats a year. This is SP’s latest green initiative to optimise substations with low-carbon capabilities and achieve our national sustainability targets. More details in the media release here. TAGS SUSTAINABILITY YOU MIGHT BE INTERESTED TO READ SP Group expands sustainable energy operations in China with Chongqing Transport Hub project win STMicroelectronics enhances sustainability with chiller cooling system at Toa Payoh SP signs PPA with BASF for rooftop solar deployment Category: Sustainability SP Group Acquires ENGIE's 40 Per Cent Stake in Chongqing Sino-French Energy Serviceshttps://www.spgroup.com.sg/about-us/media-resources/news-and-media-releases/SP-Group-Acquires-ENGIE-s-40-Per-Cent-Stake-in-Chongqing-Sino-French-Energy-Services News Release SP Group Acquires ENGIE's 40 Per Cent Stake in Chongqing Sino-French Energy Services Singapore, 20 January 2021 – SP Group (SP) today announced an agreement with ENGIE SA, to acquire ENGIE’s 40 per cent stake in Sino-French Energy Services Co. Ltd (SFES) in Chongqing, China. This is SP’s first acquisition of energy assets in China, growing the company’s China presence with sustainable energy solutions. SP’s Group Chief Executive Officer, Mr Stanley Huang, said, “The acquisition of ENGIE’s stake in SFES strengthens SP Group’s District Cooling and Heating presence in Chongqing and expands our capabilities into Combined Cooling Heating and Power (CCHP) offerings for the hospital segment. Together with Chongqing Gas Group, we will continue to play a key role in supporting the hospitals to adopt more energy efficient CCHP and grow the CCHP market share.” Established in 2010, SFES was a joint venture company between ENGIE and Chongqing Gas Group, a state-owned enterprise that owns 80 per cent of Chongqing’s gas distribution network. SFES is the market leader for CCHP solutions in Chongqing. It operates CCHP solutions deployed in three of the city’s hospitals as well as a District Cooling and Heating plant that serves the Chongqing Danzishi Central Business District. The district is located 2.7 kilometres across the Yangtze river from SP’s integrated cooling and heating plant in Raffles City Chongqing. SP Group runs an advanced energy-efficient cooling and heating system for Raffles City Chongqing, that commenced operations in September 2019. SP’s cooling operations enables Raffles City Chongqing to reduce energy consumption by more than 40 per cent, compared to conventional building chiller plants. Besides Chongqing, new partnerships and collaborations are taking root in Shanghai and Guangzhou. In August 2020, SP signed an agreement with the Sino-Singapore Guangzhou Knowledge City (GKC) to develop district cooling and heating solutions for the Knowledge Tower in GKC. In October, SP inked a Memorandum of Understanding with State Grid Shanghai Energy Services to study the feasibility of jointly developing and investing in integrated energy projects to bring sustainable energy solutions to customers in Shanghai. SP Group currently has three offices in China (Shanghai, Guangzhou and Chongqing), with its China headquarters located in Shanghai. About SP Group SP Group is a leading utilities group in the Asia Pacific, enabling a low-carbon, smart energy future for its customers. It owns and operates electricity and gas transmission and distribution businesses in Singapore and Australia, and sustainable energy solutions in Singapore and China. As Singapore’s national grid operator, about 1.6 million industrial, commercial and residential customers benefit from its world-class transmission, distribution and market support services. These networks are amongst the most reliable and cost-effective world-wide. Beyond traditional utilities services, SP Group provides a suite of sustainable energy solutions such as cooling and heating systems for business districts and residential townships, electric vehicle fast charging and green digital energy management tools for customers in Singapore and the region. For more information, please visit spgroup.com.sg or follow us on Facebook at fb.com/SPGroupSG, on LinkedIn at spgrp.sg/linkedin and on Twitter @SPGroupSG. Sembcorp and SP Group to Collaborate on an Environmental Sustainability Platformhttps://www.spgroup.com.sg/about-us/media-resources/news-and-media-releases/Sembcorp-and-SP-Group-to-Collaborate-on-an-Environmental-Sustainability-Platform News Release Sembcorp and SP Group to Collaborate on an Environmental Sustainability Platform Platform to offer one-stop global solution to help customers meet sustainability targets Singapore, 27 October 2020 – Leading energy companies Sembcorp Industries (Sembcorp) and SP Group (SP) are collaborating to develop an Environmental Sustainability Platform, a one-stop global solution to help corporates and consumers achieve their sustainability goals. The launch of the platform is planned for the first quarter of 2021. The platform aims to include a marketplace that trades renewable energy certificates (RECs) and carbon credits as well as provide carbon consulting services. RECs are a recognised way of achieving green targets and a credible means for buyers to report their consumed energy comes from renewable energy sources. Carbon credits are tradable certificates that allow buyers to offset their greenhouse gas emissions (GHG) by supporting projects aimed at reducing GHG emissions. Carbon consulting services include analysis, advisory and strategy development to assist corporates in achieving their carbon emission reduction targets. The momentum for climate action is accelerating. In 2015, Singapore pledged to reduce the nation’s emission intensity by 36 per cent from 2005 levels by 2030, and to stabilise emissions with the aim of peaking around 20301 . The national target is to halve emissions from its peak to 33 million tonnes of CO2 equivalent by 2050, with a view to achieving net zero emissions as soon as viable in the second half of the century. Increasingly, companies are incorporating environmental, social and corporate governance (ESG) factors into their business strategies and practices, which has led to growing demand for environmental solutions to offset GHG emissions. The Environmental Sustainability Platform will tap on the expertise of both parties to provide consultancy services that encompass physical and digital solutions across energy, water and waste management – enabling corporates to achieve their GHG reduction targets. More companies have joined the RE100, a global initiative that brings together the world’s leading businesses committed to using only renewable electricity. As of September this year, the number of companies who have set Science Based Targets2 to pursue efforts to limit global warming to 1.5oC has increased by about 45 per cent from the same period in 2019. The Sembcorp-SP collaboration will cater to demand among corporates and consumers to reduce their carbon intensity and improve their sustainability credentials. Mr Stanley Huang, SP’s Group Chief Executive Officer said: “This platform complements SP Group’s full suite of sustainable energy solutions that enable individuals and corporates to achieve a lowcarbon, smart energy future. We contribute through deep experience and a strong track record of serving our strong base of 1.6 million industrial, commercial and residential customers in Singapore and the region, as well as operating the world’s first blockchain-powered RECs platform.” Mr Wong Kim Yin, Group President and Chief Executive Officer, Sembcorp Industries, said: “Our partnership with SP is timely as more customers pivot towards low-carbon energy goals. We are well positioned to add value through our strong global energy expertise, digital innovation and renewables portfolio. This offering, together with the 2,600MW renewable energy assets we have developed across key markets, enables Sembcorp and our customers to contribute actively towards a sustainable future.” SP Group, through its existing REC platform, has been providing corporates with a one-stop automated process of buying and selling of RECs by the I-REC Standard3. Customers enjoy the convenience, ease and transparency for the issuance, transaction and redemption of RECs. In addition, SP’s My Green CreditsTM provides individuals and households in Singapore an affordable and convenient way to purchase RECs via the SP Utilities App and match their electricity consumption with an equivalent amount of green energy produced to support renewable energy generation. The Sembcorp REC platform offers customers high liquidity and flexibility with a stable source of RE100-recognised RECs. As an aggregator, Sembcorp combines qualified RECs from sellers for sale to customers seeking high quality sources. With its strong supply base of RECs and access to other renewable energy generators in Singapore and the region, Sembcorp will add to the list of thirdparty assets offered on the combined platform. 1 Singapore’s Climate Action Plan: Take Action Today, For a Carbon-Efficient Singapore, 2016, National Climate Change Secretariat, Prime Minister’s Office, Singapore 2 The Science Based Targets initiative (SBTi) calls on organisations to set and commit to greenhouse gas emissions reduction targets that “limit global warming to well-below 2oC above pre-industrial levels and pursue efforts to limit warming to 1.5oC”. 3 I-REC Standard ensures a stringent process for the trading of RECs by mitigating double claiming, double counting and double certificate issuance. This provides the assurance that each REC transaction is with integrity and secure. Singapore's First Digital Twin for National Power Gridhttps://www.spgroup.com.sg/about-us/media-resources/news-and-media-releases/Digital-Twin-for-National-Power-Grid Media Release Singapore's First Digital Twin for National Power Grid 27 October 2021 Singapore’s First Digital Twin for National Power Grid Created in collaboration with government agencies, industry players and research experts to enhance power grid resilience A brighter and more sustainable energy future – this is what Singapore’s first digital twin for the power grid will enable. Supported by the Energy Market Authority (EMA), SP Group (SP) and the Science and Technology Policy and Plans Office (S&TPPO) under the Prime Minister’s Office, the upcoming Grid Digital Twin will serve to enhance Singapore’s grid resilience to ensure grid reliability and support the deployment of cleaner energy sources.   The Grid Digital Twin is a virtual representation of the physical power grid assets and network and operates using real-time and historical data. It comprises two key models: Asset Twin1 for the health management of grid assets (such as substations, transformers, cables); and Network Twin2 for the assessment of impact on the grid when connecting new energy sources or consumers to the grid. The Grid Digital Twin is currently in a prototype stage and is expected to be fully developed over the next few years. When fully deployed, it will enable SP to better plan, operate and maintain the national power grid through modelling and simulations so that the actual works can be carried out in a more effective and efficient way. (Refer to Annex for more information.) Key benefits of the Grid Digital Twin include improving network planning analysis and remote monitoring of asset conditions, thereby saving manpower resources in carrying out extensive physical inspections. As the Grid Digital Twin provides a more holistic model of the grid, it can facilitate planning of infrastructure for different needs (such as installation of electric vehicle chargers, and connection of solar photovoltaic systems and energy storage systems). Progressive enhancements to the Grid Digital Twin are in place to make it more accurate and efficient, as SP continues to digitise the existing electricity assets under the network.   In tandem with the Singapore Green Plan 2030, Singapore is looking to greener sources of energy and more diversification of energy supply, such as solar deployments, energy storage systems and vehicle-to-grid technologies. In addition, power grid operations will become more complex with increasing electrification and deployment of more distributed energy resources (DERs). Currently, the national power grid comprises over 18,000 transformers, with more than 27,000 km of underground cables interconnecting over 11,000 substations. The Grid Digital Twin will therefore help to future-proof our power grid, to ensure that it is well-equipped to manage such complexities while maintaining reliability of grid operations.   Mr Ngiam Shih Chun, Chief Executive of EMA, said, “The digital twin for our national power grid will help to enhance the reliability of our electricity supply and support our transition towards greater energy sustainability. With the pressing need to tackle climate change, the power grid needs to evolve to support a more complex power system that will connect to more diverse sources of cleaner energy as well as a growing network to meet rising demand.”   Mr Stanley Huang, Group Chief Executive Officer of SP Group, said, “SP Group works closely with EMA to explore measures to improve Singapore’s grid reliability and resilience. Harnessing the power of digitisation, the Grid Digital Twin enables us to monitor and test different scenarios based on a virtual replica of the grid. We can then effectively test potential upgrades and enhancements, and future-ready innovations such as the projects under the SP Group - NTU Joint Lab to support our ambition to empower the future of energy.”   When completed, the Grid Digital Twin will be a key initiative in contributing towards Singapore’s overall efforts for greater sustainability through enhanced grid network planning and operations.   Annex: Factsheet on the Singapore Power Grid Digital Twin -- End -- About Energy Market Authority The Energy Market Authority (EMA) is a statutory board under the Singapore Ministry of Trade and Industry. Through our work, we seek to forge a progressive energy landscape for sustained growth. We aim to ensure a reliable and secure energy supply, promote effective competition in the energy market and develop a dynamic energy sector in Singapore. Visit www.ema.gov.sg for more information. Instagram: @EMA_Singapore | Facebook: facebook.com/EnergyMarketAuthority | Twitter: @EMA_sg | LinkedIn: linkedin.com/company/energy-market-authority-ema-/ About SP Group SP Group is a leading utilities group in the Asia Pacific, empowering the future of energy with low-carbon, smart energy solutions for its customers. It owns and operates electricity and gas transmission and distribution businesses in Singapore and Australia, and sustainable energy solutions in Singapore and China. As Singapore’s national grid operator, about 1.6 million industrial, commercial and residential customers benefit from its world-class transmission, distribution and market support services. These networks are amongst the most reliable and cost-effective world-wide. Beyond traditional utilities services, SP Group provides a suite of sustainable and renewable energy solutions such as microgrids, cooling and heating systems for business districts and residential townships, solar energy solutions, electric vehicle fast charging and digital energy solutions for customers in Singapore and the region. For more information, please visit spgroup.com.sg or for follow us on Facebook at fb.com/SPGroupSG, on LinkedIn at spgrp.sg/linkedin and on Twitter @SPGroupSG.   ANNEX FACTSHEET ON THE SINGAPORE POWER GRID DIGITAL TWIN A digital twin is a virtual model of physical infrastructure, processes and systems that can carry out various functions such as intelligent data analysis, computer modelling and simulation and machine learning to support users in improving planning and decision-making processes. 2. The digital twin of Singapore’s power grid will comprise two key models: Asset Twin to optimise the planning, operations and maintenance of SP’s grid assets (such as substations, transformers, switchgears and cables). The Asset Twin is able to remotely monitor and analyse the condition and performance of assets and identify potential risks in grid operations early. This allows SP Group (SP) to make informed decisions on renewal and maintenance plans accordingly. The Asset Twin is underpinned by five research projects awarded by the Energy Market Authority (EMA) to SP and Nanyang Technological University (NTU) under the SP Group - NTU Joint Laboratory3   Network Twin for impact assessment on grid. This uses modelling and simulations to determine the impact of additional loads (such as charging of electric vehicles) and distributed energy resources (such as solar photovoltaics and energy storage systems) on the grid. Using an advanced software framework known as the Multi Energy System Modelling & Optimisation (MESMO)4, the Network Twin is able to provide SP with a high-level assessment of the impact of demands on the grid and any upgrades required for different scenarios. The Network Twin is being developed by the Institute of High Performance Computing (IHPC) at the Agency for Science, Technology and Research (A*STAR), together with its technology partner TUMCREATE Ltd. The project is funded by the Public Sector Science & Technology Policy & Plans Office (S&TPPO).   Key benefits of the Grid Digital Twin are: Enhanced condition monitoring of assets and prioritisation of asset renewal, by having a decision tool that can identify risks and prioritise grid assets renewal plans. The tool will take into account health, utilisation and failure history of the grid assets.   Improvement in carrying out network planning analysis by having a better network utilisation when balancing new or peak electricity loads.   Optimisation of asset investment, by identifying potential synergies between asset renewal and upgrades for load growth without compromising grid resilience.   Grid Digital Twin comprising the Asset Twin and Network Twin (Image Credit: Energy Market Authority) KEY VISUAL FOR ASSET TWIN Overview of Asset Health and Criticality Index for the Distribution Network (Image Credit: SP Group-NTU Joint Laboratory) KEY VISUAL FOR NETWORK TWIN Dashboard for analysing electric vehicle charging impact on the distribution grid using the Network Twin (Image Credit: Institute of High Performance Computing and TUMCREATE) 1 The Asset Twin is underpinned by five research projects awarded by EMA to SP Group and Nanyang Technological University (NTU) under the SP Group - NTU Joint Laboratory. 2 The Network Twin is being developed by the Institute of High Performance Computing (IHPC) at the Agency for Science, Technology and Research (A*STAR), together with its technology partner TUMCREATE Ltd. The project is funded by the Public Sector Science & Technology Policy & Plans Office (S&TPPO). 3 The SP Group - NTU Joint Lab was established between SP Group and NTU in 2020, to explore energy-related projects in the areas of asset management and network operations. 4 MESMO is one of two primary simulation technologies that is used in the Singapore Integrated Transport Energy Model (SITEM) project. More details on SITEM can be found on A*STAR’s website: www.a-star.edu.sg/News-and-Events/a-star-news/news/press-releases/supporting-singapore-s- transition-to-electric-vehicles. 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Consumption_Elect Average consumption of Electricity (kWh) Premises Types Jul-22 Aug-22 Sep-22 Oct-22 Nov-22 Dec-22 Jan-23 Feb-23 Mar-23 Apr-23 May-23 Jun-23 Jul-23 Aug-23 Sep-23 Oct-23 Nov-23 Dec-23 Jan-24 Feb-24 Mar-24 Apr-24 May-24 Jun-24 HDB 1-Room 139 143 139 132 130 127 125 121 111 127 142 152 147 145 143 146 144 135 126 126 132 150 152 149 HDB 2-Room 186 186 184 172 171 165 166 158 148 166 185 202 190 190 189 190 188 176 164 167 173 199 199 195 HDB 3-Room 259 264 257 245 245 235 233 226 212 242 270 288 271 272 269 274 269 247 236 241 250 292 285 277 HDB 4-Room 356 361 354 333 334 320 318 309 289 326 367 391 371 371 367 374 370 342 321 330 342 398 396 383 HDB 5-Room 414 420 416 388 389 373 369 363 338 381 428 456 437 434 427 437 436 401 367 381 399 463 466 448 HDB Executive 506 514 504 472 476 448 453 443 414 473 528 561 531 536 528 541 530 478 456 474 489 575 568 544 Apartment 527 523 519 498 496 469 450 425 414 465 543 585 546 514 515 537 541 483 430 435 486 578 573 543 Terrace 817 833 815 781 785 752 748 727 686 756 867 902 868 866 859 890 881 804 740 794 821 957 900 872 Semi-Detached 1,092 1,097 1,091 1,030 1,054 995 997 962 930 1,024 1,182 1,233 1,159 1,134 1,150 1,187 1,174 1,065 1,019 1,038 1,109 1,254 1,224 1,170 Bungalow 2,168 2,144 2,146 2,004 2,182 1,986 2,073 1,938 1,901 2,016 2,303 2,482 2,320 2,219 2,298 2,308 2,358 2,075 2,106 1,951 2,146 2,432 2,360 2,266 Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search Searchhttps://www.spgroup.com.sg/search?tag=our-power-is-yours Search 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B6 HOME FRIDAY, NOVEMBER 22, 2013 FRIDAY, NOVEMBER 22, 2013 HOME B7 Like arteries and veins that keep the body alive with a constant flow of blood, close to 26,000km of cables, more than 3,240km of gas pipelines and a 3,000-strong team of people work around the clock to keep Singapore’s lights on and air cool. Arti Mulchand speaks to the unsung heroes. POWER TRIP Lighting up Marina Bay Getting power to the people IN 2004, when Mr Peter Leong oversaw the engineering division at Premas International, which provides property management services, Singapore was hit by one of its worst blackouts in history. Piped gas supply from Indonesia to Singapore’s power stations was disrupted by a technical fault and most turbines were unable to switch to the backup source of fuel. It caused a two-hour outage affecting more than 300,000 homes. In one home in Jurong, a man had a heart attack and needed to get to a hospital. The lifts did not work. At the time, Premas managed the Jurong Town Council, to which Mr Leong provided engineering support. “I had to send our contractor up to carry him down. I saw how the residents were affected. Failure can be very serious and I know how important continuity is. I remember that even now,” recalled the 57-year-old, who joined Singapore Power (SP) PowerGrid as general manager about five years ago. That image remains with him, and has served as a constant reminder in his current role as managing director of SP PowerGrid – he has to ensure “the lights are always on” for the company’s 1.4 million customers. “Singapore is like a copper mine. There is 26,000km of copper underground because everything needs power. Just like blood needs to flow to every part of the body, electricity needs to flow to every corner of Singapore. And like the human heart, we cannot afford to fail, so we do everything we can and put every effort into ensuring nothing goes wrong.” The three main areas Singapore Power covers are: planning and strategy, that is, planning ahead for energy needs; network development, that is, building the transmission and distribution network; and network management, that is, operating and maintaining network equipment. “The team works 24/7 to ensure the health of the system. We A SERIES BROUGHT TO YOU BY Building a more resilient grid THE power grid of the future could include a large number of distributed renewable generation sources such as solar photovoltaics, energy storage facilities and energy management systems. It is also expected to be flexible and scalable, such that fluctuations in energy demand or supply will not affect the grid’s stability and reliability. A team from the National University of Singapore, headed by Associate Professor Dipti Srinivasan, is working with SP PowerGrid to look into “dynamic optimisation and energy management for smart grids”. It hopes to develop a set of computational tools that will, among other things, automatically diagnose faults so outages can be handled quickly. respond immediately to any system distress,” Mr Leong said. Temperatures of transformers are taken, insulating oil is checked, and other parameters are continuously measured – whether online or off – to ensure that Mr Peter Leong, 57, managing director of SP PowerGrid, says that energy demand in Singapore has increased dramatically between the pre-war period and now. PHOTO: LIM YAOHUI FOR THE STRAITS TIMES the power paramedics can be sent in for swift and often pre-emptive responses. Exercises are conducted for everything from network management to billing, so that if anything goes wrong, everyone knows what to do. In the last 20 years, Singapore has achieved one of the most reliable grids in the world – the average amount of outage time has gone from 27.44 minutes per person a year two decades ago, to less than half a minute now. But just like Singapore has evolved, so must the power superhighways. Mr Leong says that energy demand has increased dramatically between the pre-war period and now. Power is pumped through some 26,000km of cables to more than 10,000 transmission and distribution substations that convert electricity into the necessary voltages for various uses. “As power demand grows, it becomes more efficient to push through power with higher-voltage cables. It is not unlike Singapore’s highways. Where two lanes used to do the job, we now have the Marina Coastal Expressway, which is 10 lanes wide. As energy intensity grows, we need a bigger highway,” said Mr Leong. The North-South and East-West Electricity Cable Tunnel Project is part of that expansion. Its two 60m-deep tunnels will span 35km way below the MRT and even the sewerage system and, when completed in 2018, will reinforce Singapore’s power grid as one of the most reliable in the world, said Mr Leong. The company has been looking into how new technologies and energy sources, such as solar photovoltaic power, could impact the grid. As Mr Leong listed some of the major infrastructural projects in store for the nation – Changi Airport’s Terminal 5, Project Jewel at Changi Airport, the redevelopment of the southern waterfront and new container ports at Tuas – his eyes lighted up. “We have to plan now for tomorrow,” he said with a smile. Mr Leong, who studied electrical engineering at RMIT University in Australia and did his master’s at the National University of Singapore, began his career at the then-Singapore Institute of Standards and Industrial Research, which eventually merged with the National Productivity Board to become Spring Singapore. There, he spent 18 years with safety on his mind, operating the nation’s test lab for equipment and accessories that connected to the electricity network, then regulated by PUB, the national water agency. He did product testing and also participated in investigations into electrical deaths. When he moved on to Premas, he oversaw the maintenance and operation of equipment such as chillers, lifts and switchboards in commercial buildings and techno parks, and several town councils. But it is at Singapore Power that he has found a “better sense of purpose”, he said. “I love being able to look at how to do things differently, and I can never say that my job is done. This is a journey without a finish line.” Mr Thiam Chiong Seng helped build the Marina South substation, which powers Marina Bay Sands and Gardens by the Bay. ST PHOTO: NEO XIAOBIN Senior engineer Chu Xiao En (left) at SP PowerGrid’s Emergency Operations Centre. PHOTO: LIM YAOHUI FOR THE STRAITS TIMES MORE THAN DRAWING LINES ASK senior engineer Chu Xiao En what the biggest misconception about her job is and she will tell you it is this: “People think that planners only draw lines.” The 27-year-old works in Singapore Power’s planning and strategy division, which plans for Singapore’s electrical infrastructural needs five, 10 and even 20 years down the road. They include the need for new substations, and the renewal or decommissioning of old ones. “While the end result of a plan and review might be a line connecting two substations, a lot of analysis goes into exploring every possible option and anticipating all kinds of contingencies,” she said. The 15-strong team she belongs to gathers input from customers along Singapore Power’s transmission and distribution grid, and looks at the growth and development plans for the country, said Ms Chu, who oversees network planning for Singapore’s western region. She covers areas WHEN Mr Thiam Chiong Seng drives along the East Coast Parkway and past the Marina Bay area, it is rarely without a smile on his face. The 47-year-old engineer is the director of network development at Singapore Power (SP), where he has worked for 16 years doing high-voltage equipment installations, including at the Marina South substation. That means keeping the lights on in iconic buildings that include Marina Bay Sands, the Marina Bay Financial Centre and Gardens by the Bay. “With Marina Bay, I know that we are literally powering it. You can see and feel the impact,” he said. “That’s why it’s very exciting being in the energy business. You’re not dealing with tiny electronics. What we build is so huge so you feel a real sense of satisfaction when you see a job completed.” SP’s network development engineers develop and build the infrastructure that ensures continuous and reliable power supply to households, as well as industrial and commercial buildings. This includes forging the fit between network demand and supply, conducting simulations and doing tests and checks on equipment before it is used. “We don’t want a situation in such as Choa Chu Kang, Jurong, Woodlands and Ayer Rajah. Part of the job includes carrying out simulation studies, planning cable routes and substation sites, and figuring out how to get the best possible network at the lowest cost. Each year, her department submits an updated 10-year plan to the Energy Market Authority (EMA), which takes into account developments and changes. “The EMA works top down and we work bottom up to forecast the national energy demand,” she explained, adding that based on the latest estimates, energy demand in Singapore could grow between 2.2 per cent and 3.7 per cent each year between this year and 2023. It is that kind of work that appeals to the self-confessed applied mathematics and physics fan. “I have always been a rational and logical person so that’s what attracted me to engineering. I like that one plus one will always be which we turn the equipment on and you suddenly see ‘fireworks’. We have our biggest fireworks display on National Day and we’d like to keep it that way,” Mr Thiam said with a laugh. What makes the Marina South substation unique is that it is Singapore’s first substation that can receive bulk energy transmissions at 230 kilovolts (kV) from the power generation companies and then convert it to 22kV, which is the voltage at which some consumers can use it. Usually, power has to be converted to 66kV before being reconverted to 22kV or lower voltages, but new equipment allows it to bypass that intermediate stage. That means saving on space and equipment cost. The current capacity of the substation is 300 megavolt amperes (MVA) – meaning it can power up an area up to twice the size of Ang Mo Kio Town. “But we have also future-proofed it so it can deal with the area’s expansion,” he explained, adding that the substation is capable of servicing the area’s needs for at least the next decade. The substation also has three sets of 230kV cables to create a situation of “double redundancy”, so even if one set is knocked out, the other two function as two,” said the Singapore Power scholar who did her degree in electrical engineering at Imperial College and her master’s at Stanford University. She joined Singapore Power in 2009. The job has multiple challenges. For instance, her department is looking into the renewal of a lot of electrical infrastructure that was created in the 1980s, but there are limitations on what can be done. “Most of the renewals are done in mature estates, so you’re working with a live network. You need to have a step-by-step contingency plan for anything that might go wrong,” she explained. The four years that Ms Chu has been at Singapore Power have included a three-month stint at the company’s Melbourne-based subsidiary Jemena, and eight months in Network Management, a department tasked with ensuring that power supply to customers does not get disrupted. She worked on, for instance, the diversion of power cables that Planning for the next generation back-up, keeping the lights on. Mr Thiam got involved in the Marina South project in 2000, when his team helped outline the technical requirements for transmitting power through South-east Asia’s first Common Services Tunnel, which was being built by the Urban Redevelopment Authority at the time. Those tunnels, which sit between 2.5m and 20m underground, deliver everything from electricity to chilled water and telecommunication cables. “The Government realised the CBD (Central Business District) had to be expanded, and we were able to support them in the development,” said Mr Thiam, who oversees a department of 18, including six engineers. Mr Thiam, who studied electrical and electronic engineering at Nanyang Technological University, started out in an industrial air-conditioning company before moving to an SP subcontractor doing maintenance work on 230kV transformers. He was so impressed with Singapore Power that he ended up applying for a job. He has not looked back since. What he is especially proud of is that other countries look to Singapore for the types and technical specifications of equipment used and even quality control processes. But communicating this information can be harder than one can imagine. “In China, it would be rude to speak English, but try finding the Chinese word for cross-linked polyethylene (XLPE) or polypropylene laminated paper (PPLP). Chinese is not our native language for technical terms,” he exclaimed with a laugh, referring to the types of insulation materials used in cables. His overseas exposure has also been eye-opening, not least because of the much higher tolerance level other countries have for disruptive electrical and road works. “In China and India, they understand that electrical cabling is for the good of the country. Here? We have to work at night or traffic would be obstructed, and we can work only a limited number of hours at night because residents complain about the noise,” he said, shaking his head. During the Marina South substation project, for instance, one 900m stretch of road between Anson Road and Cecil Street took almost two years to complete because work could be done only between 8pm and 4am and the noisier work had to be finished by 10pm. “In other countries, they would just block off the road and finish it up in just months.” had been laid under Upper Bukit Timah Road to make way for the construction of Downtown Line 2, which is due to be completed in 2016. “I never realised how much went into the planning of an MRT line. There is a lot of preparatory work that has to be done alongside other utility providers. I am now a lot more tolerant of road works,” said Ms Chu, whose husband is also an electrical engineer in the power sector. The time spent in Network Management made her an unlikely sympathiser when a fire broke out at SingTel’s Bukit Panjang facility in October, disrupting a range of services across the island, including her pay TV services at home. She was part of a team that, following a fault that tripped a circuit in Woodlands in 2009, had to walk along roads that had cables under them, armed with cable fault detectors and special headphones to identity the problem segment. It was about a day and a half before the segment was isolated, and only then could contractors proceed to dig up the road, find the fault and fix it. She said: “While the public was asking why there were no back-ups during the SingTel incident, I felt appreciative of what they were trying to do to restore the network. When these things happen, you are really trying your best to get things back up. I understand how challenging that can be.” And while being a planner also means gratification is much delayed, since most of the projects she has had a hand in planning have yet to become a reality, it makes the job no less fulfilling. “We get to be involved first-hand in nation-building. And I appreciate that the good performance of our network today is the result of the work of some of my mentors and the planners that have come before me. “Now, we’re planning for the next generation.” ENSURING SMOOTH OPERATIONS All fired up about keeping businesses cool SINGAPORE District Cooling’s (SDC) senior engineering officer for safety Ariff Shah Mohd proudly declares that in his seven years with the plant, there has not been a single serious accident. The plant, which spans 19,000 sq m, supplies the chilled water that keeps many buildings in the Marina Bay financial district cool. Among his responsibilities: to ensure compliance with safety measures and equipment, and make sure that all the permits for machinery are in order. “I have to cultivate a culture of safety among the staff as well as our contractors, and ensure that the plant has reliability and efficiency and operates safely. It can be tricky, and you have to be alert,” said the 39-year-old, who holds a position more often held by someone who is trained in engineering. Mr Ariff, an Institute of Technical Education graduate who studied mechanical and electrical drafting and design, toyed with the idea of becoming a policeman before ending up in IT support. Eventually, he learnt the ropes as an operations technician at a petrochemical plant on Jurong Island. That led him to a similar position at the SDC plant, which began operations in 2006. SDC is a joint venture between Singapore Power and Dalkia. After four years, he was given the opportunity to pursue a oneyear specialist diploma in workplace safety and health at Singapore Polytechnic in 2009, after which he was promoted to engineering officer for safety and projects. This year, he became senior engineering officer for safety. Today, he oversees all of the plant’s safety matters, including safety precautions that are in place, risk assessment, safety compliance and training. He is also the secretary of the plant’s 10-man safety committee, which meets once a month. This father of two is so passionate about safety that, this week, his team held its first SDC Safety Day. Some 70 spouses and children of SDC’s staff had a first-hand look at how the plant works and a lesson on why safety matters. Safety Day will now be an annual affair. Similarly, Mr Wong Toon Soon, the operations manager of Keppel District Heating and Cooling Systems (DHCS), started out in construction, doing electrical installations. Mr Wong, who is now 51 and also a father of two, became an electrical foreman after completing a full-time Industrial Technician Certificate course at Singapore Technical Institute. Mr Wong, who received his diploma in electrical engineering from Singapore Polytechnic in Neither Keppel DHCS operations manager Wong Toon Soon (above) nor Singapore District Cooling senior engineering officer for safety Ariff Shah Mohd (right) started their careers in the district cooling field, but both men now power vital aspects of their plants which provide cooling services in various parts of Singapore. ST PHOTOS: CAROLINE CHIA, NEO XIAOBIN 1991, was also keenly interested in energy efficiency, which was a buzzword in the late 1990s. He was introduced to the brand-new sector of district cooling when his company became involved in the construction of the Keppel DHCS plant in Changi Business Park, Singapore’s first district cooling system, in 1998. When completed, it would provide cooling services to businesses in the area, including commercial, banking, biomedical and wafer fabrication customers. Fascinated, he applied for a position as senior control engineer in 2003. He said: “During the construction phase, I realised they were using the latest energy-efficient technologies and I was excited at the prospect of learning more. This was my opportunity.” Just three years later, he was promoted to operations manager of all three of Keppel’s DHCS facilities. Keppel is the only other provider of district cooling services here, and services 18 customers in Changi Business Park and 18 at Biopolis. It also provides district cooling at Woodlands Wafer Fab Park. Mr Wong, who also has specialist diplomas in energy efficiency management and security networking, ensures that the plants run smoothly, and works closely with Keppel’s customers to help them maximise their efficiency gains. He was involved in setting up a DHCS plant in the Sino-Singapore Tianjin Eco-City in 2010, where he oversaw everything from its construction all the way to the time the chilled water started pumping. It has been up and running since August. At the moment, Mr Wong is planning to refresh the 13-year-old DHCS plant in Changi – Keppel’s oldest DHCS facility – with new and more efficient chiller equipment planned for next year. Keppel, which is looking into new sites for DHCS facilities, most recently secured the contract to provide district cooling to Mediapolis from the second quarter of 2015. Mr Wong is most encouraged by the growing footprint of district cooling, especially since building owners and tenants have much to benefit from this, both in terms of lower investment costs and energy savings. In the longer term, it also means having a smaller carbon footprint. “It is better for business, and better for the planet as well,” he concluded. CHILLING UNDERGROUND The world’s largest district cooling plant ALL the action at what is arguably the world’s largest district cooling plant by capacity is well hidden from public view. The plant is located five floors – about 25m – underground. The only evidence of the plant’s existence is a cleverly concealed cooling tower, which pops up above the ground facing Marina Bay Sands’ hotel building. A curtain of metal plates that allow exhaust heat to escape the tower shimmers in the sunlight, and a strategically placed water feature masks the sound of the water that flows from it. Even access to the plant, which produces 600 tonnes of chilled water per hour, is like a scene out of Alice in Wonderland – there is no signage, only a small door located at the end of the Double Helix Bridge. Stairs and a lift transport the plant’s 52 employees deeper underground. Chilled water is one of several utilities continuously pumped through a network of common services tunnels to 14 customers in the area, including Marina Bay Sands, the Marina Bay Financial Centre and One Raffles Quay. District cooling is an energy-efficient and cost-effective method to provide buildings in the area with an optimal indoor climate. In the case of Singapore District Cooling, chilled water is produced by production plants and distributed by water pipes contained within the common services tunnels. Specially designed units within each building draw on the cooling properties of the water to, for instance, lower the temperature of the air passing through the air-conditioning system. There are three interconnected plants in Marina Bay spanning a total of about 19,000 sq m – the other two plants are at One Raffles Quay and One Marina Boulevard – and there are plans to grow this to five plants, so more than eight million sq m can ultimately be serviced. The success of a cooling plant lies in being able to maintain the temperature of continuous water flow at under 6 deg C. At Singapore District Cooling, that standard is met 99.9999 per cent of the time. Using a district cooling facility – as opposed to having to build and install their own plant rooms and cooling towers – helps make businesses in the area about 30 per cent more energy-efficient. In temperate countries, similar networks can be used to supply heating, as is the case with Keppel’s District Heating and Cooling Systems plant at the Sino-Singapore Tianjin Eco-City in China. Keppel also has three district cooling plants. They are located in Changi Business Park, Biopolis and Woodlands. While it is more common in the United States and the Middle East, district cooling is catching on in Asia, said Singapore District Cooling managing director Jimmy Khoo, adding that the Marina South substation is a “true success story for Singapore”.