(2) what proportion of electricity used by his Department was generated from (a) renewable sources and (b) on-site microgeneration facilities in the last period for which figures are available.
The latest available figures for 2005-06 show the Department for Work and Pensions used, in total, 327,460,763 kWh of electricity. Of this, (a) 175,174,178 kWhs was generated from renewable sources, which accounts for 53.5 per cent. of the total electricity generation.
(b) Currently, the Department uses no electricity generated from on-site microgeneration facilities as the long-term payback periods have in the past discouraged their implementation. However the Department is exploring, with its Estates Partners, Land Securities Trillium, new opportunities to develop such facilities.