HC Deb 15 February 1971 vol 811 c360W
Mr. Spence

asked the Secretary of State for Trade and Industry what was the rise between 1958 and 1970 in the average prices charged respectively by the electricity boards, the gas boards, British Rail, British Road Services, the National Coal Board, and the British Overseas Airways Corporation and British European Airways.

Mr. Ridley

Figures are readily available only for coal, gas and electricity.

Percentage increase
Coal (pithead proceeds per ton) 20.4
Gas (average net selling value per therm) 8.1
Electricity (average net selling value per kwh) 20.4