Pelton Wheels outside Dinorwig hydro power station visitor centre in Llanberis, Snowdonia, North Wales, United Kingdom, Europe

grid national grid energy power snowdonia hep hydro hydro electric renewable energy green energy clean energy power station electric mountain visitor centre llanberis dinorwig peak demand denorwig power station pelton wheel blue cup day outdoors close up close ups machinery industry power stations pelton pelton wheels united kingdom great britain europe horizontal