Marchwood Power Ltd is a joint venture between Ireland’s ESB International (ESBI) and Scottish & Southern Energy. The £380m 842MW gas-fired power station is located near Southampton, Hampshire.

Scottish and Southern Energy (www.scottish-southern.co.uk) is one of the largest energy companies in the UK. It has agreed to supply gas to the plant and take its electricity output for an initial 15 years. Scottish and Southern Energy is a publicly quoted company with 8.45 million customers and over 10,000 MWs of installed generating capacity. Scottish and Southern Energy owns and operates 127,000 km of overhead electricity lines and underground cables in central southern England and the north of Scotland, delivering electricity to 3.5m homes, offices and business. It is also the owner of Airtricity, one of Europe"s largest renewable energy businesses.

ESBI (www.esbi.ie) is a wholly owned subsidiary of ESB, the national electricity company of Ireland. It started developing Marchwood Power in 2004. ESBI has had a presence in the British energy market since 1990 as joint owner of the Corby Power station for which it is also responsible for the plant operations and maintenance. This builds on the company’s portfolio of investment projects which most recently includes power plants in Spain and in Northern Ireland both of which successfully entered commercial operation in 2005.