YTL PowerSeraya Pte. Limited announced a series of landmark partnerships aimed at advancing Singapore's energy transition, including collaborations with Siemens Energy, Air Liquide, GE Vernova, and three major banks for the nation's first transition finance deal. The announcements were made in conjunction with the Singapore International Energy Week (SIEW) 2025, held under the theme “Envisioning Energy Tomorrow, Building Systems Today.”

Advanced Turbine Retrofit Project with Siemens Energy

YTL PowerSeraya, through its subsidiary Taser Power Pte Ltd, is working with Siemens Energy to deploy its Advanced Turbine Efficiency Package (ATEP) at the 396MW Taser Power Plant. The strategic retrofitting project aims to demonstrate how advanced technology can revolutionize performance from existing infrastructure. The upgrade introduces high-efficiency hot gas path components with aerodynamic profiling, optimized cooling, and improved sealing.

The retrofit also enhances operational flexibility and reliability by extending maintenance intervals and reducing downtime. Upon completion in December 2025, the plant will operate with significantly improved efficiency and is expected to reduce carbon emissions by up to 11,000 tonnes of CO2 equivalent annually. The upgrade is designed to enhance performance, reduce emissions, and extend asset life while ensuring the plant continues to operate competitively and reliably.

Dual Carbon Capture Feasibility Studies

YTL PowerSeraya has embarked on two carbon capture feasibility studies, supported by the Energy Market Authority's Power Sector Carbon Capture and Storage (CCS) Grant Call. The studies are set to be in place for the company's 600MW Hydrogen-Ready Combined Cycle Gas Turbine (CCGT) at Pulau Seraya Power Station, which is targeted for construction by 31 December 2027.

The pre-combustion carbon capture study with Air Liquide evaluates the potential of incorporating Air Liquide's proprietary Lurgi Autothermal Reforming (ATR) and Cryocap technologies into the upcoming Hydrogen-Ready CCGT. The Lurgi ATR technology provides a cost-effective solution for large-scale low-carbon hydrogen production, proven to be safe, reliable, and efficient over decades of operation worldwide.

Air Liquide's Cryocap is the only proven capture technology that can reduce CO2 emissions from hydrogen production while simultaneously increasing hydrogen output by 10-20%, through a combination of membrane and cryogenic processes. These solutions could abate up to 15 million tonnes of CO2 over the plant's lifetime. The post-combustion carbon capture study with GE Vernova assesses the feasibility of capturing carbon emissions after combustion.

GE Vernova is also one of the key appointed consortium partners building YTL PowerSeraya's Hydrogen-Ready CCGT – GE Vernova's first hydrogen-ready CCGT in Singapore, featuring its advanced 9 High Efficiency Air Cooled (9HA.01) gas turbines, which are globally recognised for their superior energy generation efficiency. This feasibility study marks the first-of-its-kind Post-Combustion Carbon Capture assessment for a GE Vernova H-Class CCGT plant in Singapore.

The study focuses on retrofitting YTL PowerSeraya's H-Class CCGT with technology capable of capturing at least 90 percent of the plant's CO2 emissions, supported by three key technical solutions: Exhaust Gas Recirculation (EGR), Steam integration, and Controls integration. These technologies enable a gas power plant with post-combustion carbon capture solutions to operate more efficiently and cost-effectively, reducing overall plant size, CAPEX, and OPEX whilst boosting integrated plant performance.

This dual approach positions YTL PowerSeraya as one of only two companies in Singapore exploring both pre- and post-combustion carbon capture scopes.

Historic Transition Finance Deal

DBS, Maybank, and OCBC have extended SGD 500 million in transition financing to YTL PowerSeraya for the development of the Hydrogen-Ready CCGT plant. This transaction represents the nation's inaugural transition finance deal aligned with the Singapore-Asia Taxonomy for Sustainable Finance and the Asia Pacific Loan Market Association's Green Loan Principles.

The financing forms part of a broader SGD 1.2 billion term loan facility provided to YTL PowerSeraya, with the three banks also serving as joint Sustainability Structuring Advisers. This milestone demonstrates growing confidence in the commercial viability of transition technologies, setting a precedent for sustainable project financing in the region.

Industry Leadership in Energy Transition

John Ng, CEO of YTL PowerSeraya, stated that Singapore's energy transition goal is “a tremendous opportunity to reimagine how we power our future.” He emphasized that by bringing together world-class engineering expertise, close industry collaboration, and a shared long-term vision, the company is not only supporting the nation's long-term net-zero ambitions but also setting new benchmarks for innovation in power generation.

Ng noted that these partnerships demonstrate what is possible when everyone within the value chain works as one, with YTL PowerSeraya proud to play a leading role in building the systems today that will power a sustainable tomorrow for Singapore. The initiatives reinforce YTL PowerSeraya's role as a key catalyst in Singapore's energy transition, leading the way with milestone projects and supporting the nation's vision to achieve net-zero emissions by 2050.

Based on the findings from the feasibility studies, YTL PowerSeraya will work with EMA to deepen industry knowledge of power-sector CCS pathways and identify infrastructure and site-specific requirements. These developments not only strengthen Singapore's power generation capabilities but also enable energy-intensive sectors – such as data centre and semiconductor industries – to advance their decarbonisation efforts, keeping the nation on track towards its net-zero goals.

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