Dinorwig Power Station
Dinorwig, first commissioned in 1984, is made up of 16km of underground tunnels, deep below Elidir mountain. Its construction required 1 million tonnes of concrete, 200,000 tonnes of cement and 4,500 tonnes of steel.
More about Dinorwig Power StationFfestiniog Power Station
Ffestiniog Power Station was the UK’s first major pumped storage power facility. Today its four generating units are capable of achieving a combined output of 360MW of electricity – enough to supply the entire power needs of North Wales for several hours.
More about Ffestiniog Power StationFirst Hydro Company
ENGIE, through First Hydro Company, owns and operates two pumped storage hydropower plants in the Snowdonia region of Wales. The plants are considered critical national infrastructure and represent three quarters of the UK’s total pumped storage capacity.
Responsible for the management and operation of two power plants at Dinorwig and Ffestiniog, First Hydro offers a capacity of more than 2,000 MW, helping to deliver grid flexibility and stability.
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