HC Deb 23 June 1980 vol 987 c8W
16. Mr. Knox

asked the Secretary of State for Energy what proportion of the electricity supply in the United Kingdom was coal-generated in each of the past three years.

Mr. Norman Lamont

It is estimated that the proportions of electricity supplied by the public supply system in the United Kingdom generated by coal in 1977, 1978 and 1979 were about 67½ per cent., 68½ per cent. and 71 per cent. respectively.