MHI granted FEED contract for carbon capture project

By Keefe Borden30 August 2022

Peterhead Power Station (Photo: SSE Thermal.)

A subsidiary of Mitsubishi Heavy Industries (MHI) has been awarded a front end engineering design contract to supply a gas turbine combined cycle power plant and CO2 capture plant planned for construction at the Peterhead Power Station in Aberdeenshire, Scotland.

For the execution of the FEED, MHI have partnered with two international engineering firms: Worley and Técnicas Reunidas. to deliver the engineering design of MHI’s most advanced, next-generation and high-efficiency M701JAC (J-series air-cooled) gas turbine, and MHIENG’s “Advanced KM CDR Process™” developed together with The Kansai Electric Power Co.

The project at Aberdeenshire is being developed jointly by SSE Thermal, part of SSE plc, one of the major power providers in the UK, and Norway-based Equinor Energy AS, one of the largest energy companies in Northern Europe. The plant is expected to capture up to 1.5 million tonnes per annual of CO2.

The captured CO2 would be transported and sequestered underground in the North Sea. The project could be the first of its kind in Scotland and is looking to achieve commercial-scale CO2 capture and storage (CCS) from the GTCC plant’s flue-gas emissions.

The UK Government has set a target of achieving zero carbon emissions by 2050. To respond to that initiative, MHI Group has recently strengthened its operating structure in the UK with the establishment of a “Decarbonization Business Department” based at head office of Mitsubishi Heavy Industries EMEA (MHI-EMEA) in London, MHI’s regional headquarters for operations in Europe, the Middle East and Africa.

The J-series air-cooled (JAC) gas turbines are 1,650°C-class gas turbines. Based on the J-series gas turbines – the world’s first gas turbines to achieve an inlet temperature of 1,600°C and offer 99.5% reliability – the JAC offerings have been enhanced through adoption of the world’s first enhanced air-cooled combustor, providing superlative performance and operability, a thicker thermal barrier coating (TBC), and a compressor with a high pressure ratio of 25:1.

Gas turbines in the series achieve the world’s highest power generation efficiency rate, higher than 64%, and deliver outstanding operability from features including shorter startup time. Installation of the J-series air-cooled gas turbines at the core of a GTCC power plant contributes to stable energy provision essential to global economic growth, and also enables response to global demand for decarbonization, MHI said.

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