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Clunie Dam & Power Station
Tummel Valley Scheme

Clunie dam holds back the waters of Loch Tummel. A tunnel from the loch feeds Clunie power station, which then discharges into Loch Faskally.

An arch at Clunie power station honours the men who died in the late 1940s while digging the tunnel. The ‘Tunnel Tigers’ removed about 400,000 tons of rock for the Clunie pipeline. The arch measures 6.9m across – the same as the tunnel.  This remains one of the largest water tunnels in the UK.

Hydro in Perthshire

In the 1940s, hydro power brought electricity to rural Scotland and transformed the way people lived.  Today, we care for this legacy but also invest in the future through new hydro stations and wind farms.

Tummel Valley Scheme

The Tummel Valley scheme collects water from 1,800 square km of the Grampian Mountains. The main storage reservoir is Loch Ericht. In the 1930s, this area became one of the first in Scotland to be developed for hydro power.