This guide cites and describes 241 films on energy. The categories are: general films on energy, conservation of energy, history of energy development, coal, electricity, food and energy, geothermal, natural gas, nuclear energy, oil/petroleum, oil shale, solar energy, tar sands, tidal energy, wind, impacts of energy, and future of energy. For each category, specific films are listed by number of appearance in the index. Some films are listed more than once. Each film citation in the index includes information on film title, grade level, code indicating film source and distributor, year of production, purchase price, rental price, running time, and availability in color or black and white. Also included are tips on how to use the index, a directory of film sources and distributors, a listing of major university and rental/loan film libraries, a form for recommending additional films, and a topical reference guide in which all films in the index are organized into 17 categories. (DB)