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Kilmorack Power Station And Dam

Hydroelectric Power Station (Modern)

Site Name Kilmorack Power Station And Dam

Classification Hydroelectric Power Station (Modern)

Alternative Name(s) Affric Hydroelectric Scheme; Glen Affric

Canmore ID 171639

Site Number NH44SE 63

NGR NH 49410 44225

NGR Description Centred

Datum OSGB36 - NGR

Permalink http://canmore.org.uk/site/171639

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

  • Council Highland
  • Parish Kilmorack
  • Former Region Highland
  • Former District Inverness
  • Former County Inverness-shire

Archaeology Notes

NH44SE 63 centred 4942 4424

Architecture Notes

For manuscripts relating to entire Strathfarrar and Kilmorack scheme see project numbers SA/1960/20/25-27.

Activities

Note (2010)

Kilmorack power station with its integrated dam is the final (lowest) station on the Affric scheme. It makes use of water previously used by other stations in the scheme. The power station (originally built in the early 1960s) is a good example of an integrated dam and turbine hall utilising a steep sided river gorge for the generation of power.

The station was refurbished between 2002 and 2004, a project which included the overhaul of the turbines and refurbishment of the station interior. The turbine hall houses two Kaplan 10MW turbines.

The dam is of mass gravity type and provides a head of 17m to the turbines which are recessed into the floor of the turbine hall. As well as providing a degree of storage, the dam allows the regulation of the river flow which is essential in successful flood management as the dam is situated on a river system. The dam has a central single radial gate and a single drum gate with a Borland fish-pass between. These gates allow the spill of the dam to be accurately controlled and are situated beyond the south and north generating sets respectively. The design of the dam is relatively functional. The detailing applied to the turbine hall is standard for the building type.

PL Payne, 1988, 5; E Wood, 2002, 38; J Miller, 2002; information from correspondent (John P Bolton MA, MICE), an engineer who worked at Kilmorack from 1960 to 1963 - information added (MMD, HES), 7 August 2020.

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