PV Value (IMAGE) DOE/Sandia National Laboratories Caption Sandia National Laboratories researcher Geoff Klise worked with Solar Power ElectricTM to develop a tool that can be used to appraise photovoltaic installations on homes and businesses. Credit Photo by Randy Montoya Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.