TY - BOOK AU - Thomas, Michael G. AU - Post, Harold N. AU - Poore, Anne v. TI - Photovoltaic systems for government agencies U1 - 333.792.3 PY - 1989/// CY - Albuquerque PB - Sandia National Laboratories KW - EnergĂ­a Solar KW - Sistemas Fotovoltaicos N1 - 05503; This is a guide to the use of photovoltaic technology within local, state and federal government agencies. Current cost-effective applications - those with discounted payback periods of three years or less - are illustrated. Readers are given key technical factors that should be considered in determining whether photovoltaics is an appopiate choice to meet their energy needs. This report also includes information on estimating costs and determining payback periods ER -