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Electricity Supplies (Generating Costs)

Volume 495: debated on Monday 11 February 1952

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asked the Minister of Fuel and Power whether he will state the capital cost of providing one megawatt of new electricity generating capacity in each of the following hydro-electric alternatives, to the capital cost of£60,000, fair average figure, per megawatt at January 1952 for steam power-house construction, namely, the Scottish Hydro-Electric Scheme, completed to date, and the North Wales Hydro-Electric Power Schemes, projected.

I am informed by my right hon. Friend the Secretary of State for Scotland that the Loch Sloy hydro-electric scheme, designed to operate as a peak load station at a load factor of 10 per cent., cost£81,000 per megawatt: and that the Tummel-Garry (Clunie and Pitlochry sections), the Fannich and the Affric schemes, working at an average load factor of 35 per cent., were constructed at an average cost of£136,000 per megawatt. These costs were incurred over a period of years and it would not be possible to relate them to present prices.I am informed by the British Electricity Authority that the designed load factor of the proposed North Wales schemes is about 18 per cent. and the average estimated cost is£100,000 per megawatt.