Her Majesty's Principal Secretary of State for Energy and Climate Change was a British government cabinet position from 2008 to 2016. The Department of Energy and Climate Change was created on 3 October 2008 when then-Prime Minister Gordon Brown reshuffled his Cabinet. Between 1974 and 1992, the post was known as Secretary of State for Energy. Amber Rudd was the final Secretary of State at DECC, until she became Home Secretary. The post was formed into the new Department for Business, Energy and Industrial Strategy by new Prime Minister Theresa May in July 2016.