| Combined cycle Adding CCS to CCGT


GE Gas Power has signed an MoU with Korea’s DL E&C and its subsidiary, CARBONCO, to jointly develop a roadmap for integrating post combustion carbon capture technology in GE-supplied natural gas fuelled combined cycle power plants in Asia and Oceania. The three parties will identify and develop potential project opportunities for existing and new build plants, as well as conducting feasibility and FEED studies to explore possible locations for carbon capture systems in combined cycle plants.


GE says it will build on its experience in advanced technology and control concepts to integrate DL E&C and CARBONCO capture technology with combined cycle power plants, with the goal of ensuring dispatchability, lower carbon intensity, high flexibility and reliability, and lower capital cost.


emissions of more than 3000 tons per day (about 1 million tons per year), modularisation that


GE notes that there is an installed base of over 1300 of its gas turbines in Asia. DL E&C and CARBONCO carbon capture capabilities include technologies able to manage CO2


facilitates quality control and risk management, and utilisation concepts that envisage transformation of the collected CO2


into useable compounds (eg,


disposal, Keadby 3 would connect to shared infrastructure being developed by the East Coast Cluster (a collaboration between Zero Carbon Humber, Net Zero Teesside and Northern Endurance Partnership).


Above: Peterhead site. Existing station, left, Peterhead 2, with CCS, right


transport and storage infrastructure being developed as part of the Acorn Project, which plans to sequester CO2 rock formations CO2


liquid carbonic acid) and carbon mineralisation. “GE holds advanced power generation technologies, and DL E&C and CARBONCO have the experience of commercialising Korea’s first carbon capture plant and carbon capture plant design capabilities,” said Jae-hyung Yoo, chief executive, business development office at CARBONCO. “With the collaboration and synergy with GE, we plan to actively expand our decarbonisation business overseas.” Meanwhile in the UK, SSE Thermal and Equinor are proposing to develop 910 MW CCGT+CCS power plants at Keadby (Scunthorpe, Lincolnshire) and Peterhead (Aberdeenshire coast, Scotland). Planning applications have been submitted. For CO2


The Peterhead Carbon Capture Power Station (aka Peterhead 2) would have access to the CO2


about 100 km offshore in below the North Sea.


Chonburi mega plant completed


The fourth and final M701JAC-based single shaft combined cycle unit at the Chonburi natural gas fuelled mega CCGT plant in Thailand entered operation on 1 October 2022. The plant, about 130 km southeast of Bangkok, is owned by a joint venture of Gulf Energy Development PCL and Mitsui, and operated by Gulf SRC Co Ltd. This milestone signals completion of one of two 2650 MW M701JAC-based CCGTs power plants that Mitsubishi Power is supplying in Thailand, for which turnkey orders were secured in 2018. Construction of the second, to be operated by Gulf PD Co Ltd, is currently underway in Rayong Province.


In September 2022, the M701JAC gas turbine of the first Chonburi unit achieved 8000 actual operating hours (AOH), establishing what Mitsubishi describes as “an industry benchmark of reliability.”


Right: Chonburi combined cycle plant


Construction is underway at the GNA II LNG-fuelled combined cycle power plant in Brazil, with commercial operation planned for January 2025. Under a contract placed earlier this year, SENER has similar scope on GNA II to what it had on GNA I, which entered operation in 2021. This scope focuses on basic and detailed engineering and aims to achieve complete multidisciplinary integration between GNA I and GNA II, which will have a combined installed capacity


GNA II on target for 2025 Acwa and Silk Road share Sirdarya


of some 3 GW, and the associated LNG terminal. The facilities are located in the Port of Açú, State of Rio de Janeiro.


GNA II, 1.6 GW, will employ three Siemens Energy HL gas turbines plus a steam turbine. GNA I employs the same 3-on-1 configuration but uses Siemens Energy H class GTs.


GNA, Gás Natural Açu, is a joint venture of Prumo Logística, BP, Siemens, and SPIC Brasil.


Under an agreement signed in September 2022, Acwa Power will own 51% of the 1.5 GW Sirdarya combined cycle power plant in Uzbekistan, with Silk Road Fund obtaining a 49% stake. Once operational in 2024, Sirdarya will be responsible for 15% of power demand and 8% of installed power capacity in Uzbekistan.


www.modernpowersystems.com | November/December 2022 | 31


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