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ABOUT FIRST HYDRO COMPANY
First Hydro Company is one of the UK's most dynamic electricity generators, responsible for the management and operation of the pumped storage plants at Dinorwig and Ffestiniog in the Snowdonia region of Wales. First Hydro is owned by a joint venture of International Power plc and Mitsui & Co., Ltd.

Both Ffestiniog and Dinorwig compete daily to sell their power into the GB electricity market. Marketing and trading activity is undertaken at First Hydro’s Energy Management Centre, located at Deeside, near Chester.

Each of Dinorwig's six generating units can produce 288MW of electricity, offering a combined station output of 1728MW. Ffestiniog's four 90MW units have a combined generating capacity of 360MW.

First Hydro Company's electricity, and that of all the other power producers, is carried by National Grid Transo's high voltage transmission system of pylons, cables and transformer stations, to the regional networks which then distribute power into homes and businesses throughout the UK.

Our Visitors Centre, Electric Mountain , provide tours of the power station at Dinorwig. Latest news and events of local interest can be seen here.

VAT Registration No. 656 2000 65
Registered in England and Wales No. 2444277
Registered Office: Senator House, 85 Queen Victoria Street, London, EC4V 4DP