Comprises: 1. CRD 4/11/6 - General CRD Energy file, 1978-1981. Includes: CRD report, 'The Electricity Bill: Aide-Memoire', 21 Dec 1978 Letters from the Department of Energy concerning industrial energy prices, Jan 1981 Draft speech by Michael Portillo for the Energy Secretary [David Howell] for a Supply Day Debate, Jan 1981 Notes for the…