Loch Sloy Hydro-Electric Scheme

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Sloy Dam
Loch Sloy hydro-electric power station - geograph.org.uk - 173508.jpg
Loch Sloy Hydro-Electric Scheme is located in Scotland
Loch Sloy Hydro-Electric Scheme
Location of Sloy Dam in Scotland
Country Scotland
Location Argyll and Bute
Coordinates 56°15′41″N 4°45′49″W / 56.2615°N 4.7636°W / 56.2615; -4.7636Coordinates: 56°15′41″N 4°45′49″W / 56.2615°N 4.7636°W / 56.2615; -4.7636
Purpose Power
Status Operational
Construction began 1945
Opening date 1950
Owner(s) SSE
Dam and spillways
Impounds Inveruglas Water
Height 56 m
Length 357 m
Creates Loch Sloy
Total capacity 36 million litres
Power station
Name Sloy Power Station
Coordinates 56°15′04″N 4°42′42″W / 56.2512°N 4.7117°W / 56.2512; -4.7117
Commission date 1950
Installed capacity 152.5 MW

The Sloy/Awe Hydro-Electric Scheme is a hydro-electric facility situated between Loch Sloy and Inveruglas on the west bank of Loch Lomond in Scotland.

Construction began in May 1945, under the auspices of the North of Scotland Hydro-Electric Board and was completed in 1949. The official opening ceremony took place on 18 October 1950 and was attended by the Queen Consort.[1]

Twenty-one men lost their lives during the construction.[2] The labour force also included some German prisoners-of-war.

The facility is operated by Scottish and Southern Energy, and is normally in standby mode, ready to generate electricity to meet sudden peaks in demand.[3] It can reach full-capacity within 5 minutes from a standing start.[4]


  1. ^ Newsreel footage of opening ceremony
  2. ^ "Arrochar, Tarbet and Ardlui Heritage - The Loch Sloy Hydro-Electric Scheme 1950". Retrieved 19 June 2016. 
  3. ^ "Sloy". SSE. Retrieved 20 April 2014. 
  4. ^ "Power from the Glens" (PDF). SSE. Retrieved 20 April 2014. 

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