§ Mr. D. E. Thomasasked the Secretary of State for Energy what is his projection for the change in demand for electricity during the next decade in Wales; if those estimates take into account the decrease in demand for electricity as a result of de-industrialisation; and if his Department has researched specifically into the Welsh economy or has calculated the Welsh component of the figures for the United Kingdom in arriving at these figures.
§ Mr. Norman LamontElectricity demands on the supply system in England and Wales are considered as a whole. The Department therefore does not consider or research separately any of the components of Welsh
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Electricity supplied (gross)* by type of station—Public supply system in Wales and the United Kingdom Terawatt hours 1970/71 1971/72 7972/73 1973/74 1974/75 1975/76 1976/77 1977/78 1978/79 1979/80 WALES: Conventional Steam Stations† Coal-fired 8.6 7.1 3.8 6.3 5.8 4.3 3.3 5.4 6.6 7.5 Oil-fired 0.6 2.0 6.0 8.3 7.7 8.1 8.2 8.7 9.5 7.1 Mix fired‡ .. .. 2.0 1.8 1.9 1.1 1.4 1.3 1.6 1.4 Total 9.2 9.1 11.8 16.4 15.4 13.5 12.9 15.4 17.7 16.0 Nuclear stations 2.8 4.6 4.7 4.6 7.0 4.7 8.4 7.9 6.6 8.1 Gas turbine stations/ sections .. .. .. .. .. .. .. .. .. .. Diesel stations .. .. .. .. .. .. .. .. .. .. Hydro-electric stations 0.2 0.1 0.2 0.2 0.2 0.1 0.2 0.2 0.2 0.3 Pumped storage stations 0.4 0.3 0.4 0.4 0.4 0.4 0.3 0.3 0.3 0.3 Total 12.6 14.1 17.1 21.6 23.0 18.7 21.8 23.8 24.8 24.7 UNITED KINGDOM: Conventional steam stations† Coal-fired 141.1 140.0 140.1 139.5 147.1 156.9 163.8 162.2 172.4 181.4 Oil-fired 31.7 34.8 49.9 46.1 42.8 27.7 25.6 30.5 34.5 24.4 Mix fired‡ 9.9 7.3 10.2 11.9 12.9 12.7 9.7 9.9 8.8 7.9 Dual fired .. 3.8 4.9 6.1 7.8 9.2 5.5 5.4 7.2 7.2 Total 182.7 185.9 205.1 203.6 210.6 206.5 204.6 208.0 222.9 220.9 Nuclear stations 19.1 21.7 22.0 21.3 25.2 23.3 30.1 31.9 29.1 30.0 Gas turbine stations/ sections 1.1 1.0 1.1 1.2 0.7 0.4 0.3 0.6 0.4 0.3 Diesel stations 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.3 0.3 Hydro-electric stations 3.9 2.7 3.0 3.7 3.4 3.1 2.8 3.5 3.2 3.7 Pumped storage stations 1.1 0.9 0.8 0.6 0.8 1.3 1.4 1.2 1.2 1.2 Total 208.1 212.4 232.2 230.6 240.9 234.8 239.4 245.5 257.1 256.4 .. indicates nil or less than half the final digit shown. * Total electricity generated less electricity used at power stations. Excludes electricity supplied from pre-commissioning operations, or from stations decommissioned during the year. The years shown are financial years ending in March. † Including associated diesel and gas turbine plant, excepting gas turbine plant which comprises a section of a station. Stations, or sections of stations burning pulverised coal use oil for lighting up purposes. ‡ Stations with a mixture of coal, oil or natural gas fired boilers. electricity demand. Industrial activity is, however, one of the inputs included in the Department's work on electricity demand projections.