Home Energy Conservation Act Data The Minister for Climate Change and the Environment (Ian Pearson) Data reported by Energy Conservation Authorities in England under the Home Energy Conservation Act 1995 in the period 1 April 1996 to 31 March 2005 have been placed in the Libraries of both Houses. These data have also been published on the Department for Food and Rural Affairs website at: http://www.defra.gov.uk/environment/energy/heca 95/index.htm. Authorities have reported an overall improvement in domestic energy efficiency of 16.7 per cent. as measured against a 1996 baseline.