BSC2018 Electric Mountain Tour - Sunday 2pm Meeting Point C

Set against a magnificent backdrop of the towering mountains and the magnificent scenery of Snowdonia, Electric Mountain is First Hydro Company's Visitor centre in Llanberis. Its split level layout contains a gift shop and cafe and is the starting point for the tour of Dinorwig Power Station. Dinorwig is comprised of 16km of underground tunnels, deep below Elidir mountain. You can stand in Europes largest man-made cavern after a bus drive tour inside the mountain. Swallow Falls are the longest continual waterfalls in Wales.

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. Dinorwig is the largest scheme of its kind in Europe.

Dinorwig is comprised 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.

The station's six powerful generating units stand in Europe's largest man-made cavern. Adjacent to this lies the main inlet valve chamber housing the plant that regulates the flow of water through the turbines.

Dinorwig's reversible pump/turbines are capable of reaching maximum generation in less than 16 seconds. Using off-peak electricity the six units are reversed as pumps to transport water from the lower reservoir, back to Marchlyn Mawr.