Rocksavage Power Station

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Rocksavage Power Station
Rocksavage over M56 - - 747526.jpg
Rocksavage Power Station in 2006
Rocksavage Power Station is located in the United Kingdom
Rocksavage Power Station
Location of Rocksavage Power Station
Country England
Location Cheshire, North West England
Coordinates 53°18′56″N 2°43′31″W / 53.31544°N 2.72541°W / 53.31544; -2.72541Coordinates: 53°18′56″N 2°43′31″W / 53.31544°N 2.72541°W / 53.31544; -2.72541
Commission date 1998
Operator(s) Intergen
Thermal power station
Primary fuel Natural gas
grid reference SJ517800

Rocksavage Power Station is an 800 MWe gas-fired power station on Cow Hey Lane near Runcorn just off the A557, at the junction of the River Weaver and River Mersey, and near junction 12 of the M56.


It was opened by the Queen on 31 July 1998, being owned by InterGen, a company that is now jointly owned by Ontario Teachers' Pension Plan and China Huaneng Group. It cost £375m, being situated in the borough of Halton. The EPC contractor was Bechtel. The site trades as Rocksavage Power Company Ltd. It sponsors the Runcorn Jets baseball club, the Highfield Male Voice Choir, and the Weston Angling Club. The site has a visitor centre for schoolchildren. The name comes from the nearby ruined Elizabethan mansion, Rocksavage.


It is a CCGT-type power station that uses natural gas. It has two Alstom 260MWe GT26A gas turbines, with an Alstom heat recovery steam generator each that produces steam for one ABB 280MWe steam turbine. The plant runs at 58% thermal efficiency. 300MWe is used by the Ineos site (previously ICI) at Weston Point that makes hydrofluororcarbons (HFCs), and the other 400MWe is sold by Scottish and Southern Energy (formerly Scottish Hydro) for electricity supply.


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