 In October 2003, Governor of Oklahoma Brad Henry appointed Fleischaker as his Secretary of Energy.Fleischaker has focused his office on developing renewable and sustainable energy resources for the state, including establishing the Oklahoma Bioenergy Center to promote the development of a biofuels industry in Oklahoma, the development and expansion of wind power and the promotion of demand side management policies at the state energy regulatory agencies.As Secretary, Fleischaker had supervision of the Oklahoma Corporation Commission, the Oklahoma Energy Resources Board, the Grand River Dam Authority and the Oklahoma Department of Mines, among others.