This text provides updated coverage of key topics involved in integrated resource planning (IRP), also called least-cost planning. IRP in comparison with conventional power can provide the same energy services at a lower societal cost and with reduced environmental impacts. The history and basics of IRP is presented.

A NATO Advanced Study Institute on "Demand-Side Management and Electricity End-Use Efficiency" was held in order to present and to discuss some of the most recent developments in demand-side electric power management and planning methodologies as well as research progress in relevant end-use technologies. Electricity is assuming an increasingly important role in buildings and industry, due to its flexibility, efficiency of conversion and cleanliness at the point of use. However the production and transmission of electricity requires huge investments and may have undesirable environmental...