Durham Energy Institute (DEI) is a research institute at Durham University. It was launched in September 2009 to undertake multi-disciplinary cutting-edge research into energy technology and society. The current Executive Director is Professor Simon Hogg. The principal aim of the DEI is to tackle the societal aspects of energy use. The Institute draws upon its existing knowledge base, skills and expertise to: * promote technical scientific excellence * solve technological and social problems associated with energy provision, demand and use