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

The site trades as Rocksavage Power Company Ltd.

The name comes from the nearby ruined Elizabethan mansion, Rocksavage.

It is a CCGT-type power station that uses natural gas.

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.