Book excerpt: Solar Energy in the 80s covers the proceedings of the Conference on Solar Energy held in London. The book presents papers that discuss issues concerning the decision-making aspect of solar energy technology. The text outlines the technological options of various solar energy technologies, such as the system, equipment level of investment, sales policy, operational conditions service, legal and social aspects, and economic subsidies. The book will be of great interest to individuals who require a good overview of different technology that utilizes solar energy.