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Loch Luichart, Mossford Power Station

Hydroelectric Power Station (Modern)

Site Name Loch Luichart, Mossford Power Station

Classification Hydroelectric Power Station (Modern)

Alternative Name(s) Conon Valley Hydroelectric Power Scheme,

Canmore ID 173067

Site Number NH36SW 19

NGR NH 33032 63265

NGR Description Centred NH 3303 6326

Datum OSGB36 - NGR

Permalink http://canmore.org.uk/site/173067

Ordnance Survey licence number AC0000807262. All rights reserved.
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Administrative Areas

  • Council Highland
  • Parish Contin
  • Former Region Highland
  • Former District Ross And Cromarty
  • Former County Ross And Cromarty

Archaeology Notes

NH36SW 19 centred 3303 6326

Activities

Field Visit (2010)

Mossford power station receives water from Lochs Droma and Vaich via a tunnel from Loch Glascanoch (see separate items). A surge tower is located on the penstocks to the north of the station. The station contains two turbines and also retains the travelling crane in situ.The station is a good example of a medium sized power station, lacking the complex of offices and workshops associated with a control station (such as Grudie Bridge), although retaining some secondary spaces. PL Payne, 1988, 5; E Wood, 2002, 38; J Miller, 2002.

Note (25 October 2023)

The Conon scheme

This project involves three separate stages: the Fannich scheme, the Glascarnoch-Luichart-Torr Achilty scheme and the Orrin scheme. The first of these involved tunnels and aqueducts to increase the flow into Loch Fannich, and a tunnel from the bed of Loch Fannich to the Grudie Bridge power station at the west end of Loch Luichart. This involved a severe problem at the Loch Fannich end. Work began in 1946 and a dam was built later, completing the section in 1951.

Work began on the second stage in 1951., producing two artificial lochs Vaich and Glascarnoch by damming the respective rivers, using the earth and rockfill method. Tunnels were excavated between these lochs and from Loch Glascarnoch to Mossford power station on Loch Luichart. A dam at the east end of Loch Achanalt allows loch to supply the Achsanalt power station near Grudie Bridge. Two artificial lochs Meig and Achonachie were produced by dams on the rivers Meig and Conon to supply power stations at Luichart and Torr Achilty respectively. Work on this section was completed in 1957.

The Orrin scheme was started in 1955 and involved the building of a mass gravity dam 1000 feet long and an earth embankment also 1000 feet in length to seal off a branch valley, thus forming the Orrin Reservoir. The outflow is through a concrete -lined tunnel to a steel pipeline supplying the Orrin power station at Loch Achonachie. Four Borland fish lifts had been installed at Luichart, Meig, Achanalt and Torr Achilty. The scheme was completed in 1961, the six power stations producing an output well over 100,000 kW.

Information from NRHE catalogue record WP007424, compiled by George Walker, 2005.

References

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