Energy
(asked on 16th March 2015) - View Source
Question
To ask the Secretary of State for Energy and Climate Change, what proportion of the domestic retail electricity and gas market was captured by the six largest energy firms in (a) 2000, (b) 2010 and (c) the latest date for which data is available.
This question was answered on 24th March 2015
The Department does not hold the information requested.