Gas And Electricity Tariffs 33. Mr. Hooley asked the Secretary of State for Energy what study his Department has made of the effect on the small domestic consumer of the present structure of gas and electricity tariffs. Mr. Eadie As I indicated on 24th February in my answer to my right hon. Friend the Member for Sunderland, North (Mr. Willey) we are continuing to study these tariffs including their effect on small users.