Nick Harvey Share this specific contribution Share a link to this specific contribution: Share contribution 1 on Twitter Share contribution 1 on Facebook Share contribution 1 via Email Copy link to contribution 1 to clipboard Copy link To ask the Secretary of State for Defence how many energy saving light bulbs his Department has used in each year since 1997. (236008) Mr. Kevan Jones Share this specific contribution Share a link to this specific contribution: Share contribution 2 on Twitter Share contribution 2 on Facebook Share contribution 2 via Email Copy link to contribution 2 to clipboard Copy link Usage figures for energy saving light bulbs are not held centrally and could be provided only at disproportionate cost.