The Silver State North Solar Project, the first large-scale solar energy project on U.S. public lands in Nevada, has received Department of the Interior (DOI) approval from Secretary of the Interior, Ken Salazar. Joining the project is Ecology and Environment (E & E), which prepared the environmental impact statement (EIS) for the 50MW (AC), 60MW (DC) facility, set for construction in the Ivanpah Valley, just south of Las Vegas.