HomeNews Power Stations About Contact Language First Hydro Company Home > Power Stations Power Stations Dinorwig Power Station When it was fully commissioned in 1984, Dinorwig Power Station was regarded as one of the world's most imaginative engineering and environmental project. Today, Dinorwig's operational characteristics and dynamic response capability are still acknowledged the world over.... More Ffestiniog Power Station Commissioned in 1963, Ffestiniog Power Station was the UK's first major pumped storage power facility. Although of an older generation to those at Dinorwig, Ffestiniog's four generating units are still capable of achieving a combined output of 360MW of electricity - enough to... More About Pumped Storage Pumped storage hydro-electricity works on a very simple principle. Two reservoirs at different altitudes are required. When the water is released, from the upper reservoir, energy is created by the downflow which is directed through high-pressure shafts, linked to turbines. In... More Contact Dinorwig Power Station Llanberis Caernarfon Gwynedd LL55 4TY 01286 870166 info@fhc.co.uk www.fhc.co.uk Ffestiniog Power Station Tan-y-Grisiau Blaenau Ffestiniog Gwynedd LL41 3TP 01766 830465 info@fhc.co.uk www.fhc.co.uk Manage Cookies engie.co.uk engie.com © FHC 2021 Cookies are used to make this website work and to enhance your experience. To learn more about the types of cookies this website uses, see our Cookie Policy. You can provide consent by clicking the "I Consent" button or by canceling this cookie notice. I ConsentManage Cookies Cookies are used to make this website work and to enhance your experience. To learn more about the types of cookies this website uses, see our Cookie Policy. We need your consent to use marketing cookies. Marketing cookies are used to track visitors across websites. Please select the checkbox below to indicate your consent. I consent I do not consent Save Preferences Your cookie preferences have been saved