Britain’s Marchwood 840MW gas-fired power plant will commence commercial operations in December, operator Scottish and Southern Energy (SSE) and ESB International has announced.

The 50:50 joint venture, situated close to Southampton, has been generating electricity during the testing phase over the last few weeks, won’t open for business until December.

SSE chief executive Ian Marchant said the gas-fired plant is currently in the final commissioning stages.

“It’s starting its final reliability runs in the next few days and assuming they all go to plan we should take it over fully sometime in December,” Marchant told Reuters.

SSE also plans to build a £21m carbon capture trial unit at its coal-fuelled power station in Ferrybridge.