DSIRE is the nation’s most comprehensive information sources for renewable and efficiency incentives. The database enables users to pinpoint opportunities in a variety of formats including dynamic maps, charts, and tables. To help you find opportunities, the database includes a search tool that filters incentives and policies by type, state, technology, implementing sector, and eligible sector.The site was established by the Department of Energy 20 years ago.  The database is operated by the N.C. Clean Energy Technology Center at North Carolina State University.