§ Mr. Austin Mitchellasked the Secretary of State for Energy what is the effective margin of spare capacity in the electricity generating industry, assuming that all possible steps had been taken to meet the demand and that the pattern of demand was the same as it was in 1973; by how much revenue would increase if the capacity was fully utilised on this basis; and by how much the consumption of oil and coal would be increased to generate the electricity required.
§ Mr. Norman LamontI shall write to the hon. Member.