To ask the Secretary of State for Wales what the estimated (a) amount and (b) cost was of energy used in his Department in each year since 1997; what proportion of the energy used was generated from renewable sources in each of those years; and if he will make a statement. (317234)

The Wales Office holds records on energy usage since 2006-07; on the cost of electricity from 2002-03; and on the cost of other fuels since 2005-06. The available information is given in the following tables. Figures before these periods are not held centrally and can be compiled only at disproportionate cost.

In 2003-04 and 2004-05, 10 per cent. of the Department's electricity was derived from renewable sources. Since 2005-06 this has risen to 100 per cent.