Book excerpt: This book responds to the opening up of electricity markets to competition, which has completely changed the nature of power generation. The building of new generation and transmission capacity and the setting of the energy mix between nuclear, gas and renewable resources are mainly left to private initiative and investors. The authors and the editor of this book explore whether or not market forces offer a sustainable future for electricity generation. They employ economic theory and method to answer questions such as: Will the market be able to ensure adequacy of generation capacity and secu.