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Power Transmissions

Volume 22: debated on Monday 19 April 1982

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asked the Secretary of State for Energy what are the electricity losses for every 100 miles of power transmission by overland lines and the expected losses for the 2000 megawatt cross-channel cable due for commissioning in 1985–86.

I am advised by the CEGB that the power loss on a 100 mile long 400 KV AC overhead line circuit is about 5·8 per cent. at 3,000 MW and about 3·8 per cent. at 2000 MW power flow. For the 2000 MW cross Channel link, including submarine cable and converter stations at both ends, the power loss is expected to be about 3·2 per cent. at full load.