A critical overview of European Union energy law and policy, this book takes a law-in-context approach as it examines the development of EU energy law from the 1950s to the present day. It discusses the development of EU energy law; the application of general EU law into energy; the regulation of EU energy markets; international aspects of EU energy law; and policy, sustainability, and energy regulation. Presenting an up-to-date overview of EU energy law and policy and a critical analysis of its sub-areas, the book extends the discussion from electricity and natural gas markets to other areas