§ Mr. Warbeyasked the Minister of Power what, in terms of kilowatts sent out, is the present contribution of nuclear reactors of all types, including the Dounreay fast breeder reactor, to electricity generation capacity in Great Britain; and what is the planned total contribution for each of the years 1964 to 1970.

§ Mr. WoodThe figures are as follows:

Output capacity of nuclear reactors in Great Britain Kilowatts sent out Present capacity 960,000 1964 (end-year) 2,535,000 1965 (end-year) 3,100,000 1966 (end-year) 3,670,000 1967 (end-year) 3,950,000 l968 (end-year) 4,950,000* * This figure is calculated on the assumption that 1,000,000 kilowatts of capacity will be commissioned at Wylfa in 1968. No figures can be given for 1969 and 1970 because the nuclear power programme after 1968 has yet to be decided.