Collection of committee papers, policy reports, House of Commons reports and guidance papers published by order of Parliament. The bulk of the collection relates to the future development of generating stations and forward planning of power requirements. There are also several documents about the setting of tariffs for electricity and gas.

The collection has several files containing final detailed reports entitled as follows: Bulk Supply Tariff for 1976-77 and 1989/90; Economic Merit of Plant Options 1965-1981, Report on the Comparative Structure and Performance of the CEGB in the International Context.