The Solar Energy Development Programmatic EIS (Solar PEIS) was prepared by the Department of Energy, Department of Interior and Bureau of Land Management and covers the area of six western states: Arizona, California, Colorado, New Mexico, Nevada and Utah. The purpose is to assess environmental impacts of solar development in the region. The Solar PEIS website has an online map viewer as well as downloadable data (PDF maps, GIS shapefiles, Google Earth KMZ files). There are GIS layers that show current and potential locations of solar facilities and priority solar development areas (BLM Solar Energy Zones). The online map viewer allows users to view these layers along with data relevent to managing environmental impacts (e.g. critical [...]