National Solar Capacity Ranking: 48th
Updated June 2026
SEIA’s Major Solar Projects List is a database of all U.S. ground-mounted solar projects, 1 MW and above, that are either operating, under construction or under development.
270 MWdc
1 MWh
48th (51st in 2025 additions)
33,512 homes
2.00%
5,266
12 (4 Manufacturers, 4 Installers/Developers, 4 Others)
$328 million
110 MW over the next 5 years (ranks 50th)
332
South Dakota Public Service Commission – Learn about the governing body that regulates the electricity rates and services of South Dakota public utilities
South Dakota State Legislature – Track pending legislation affecting solar energy, locate and contact individual legislators, and stay up to date on current legislative issues in New Mexico
South Dakota State Energy Office – Find a wide variety of information on state government energy programs, policy, projects, energy-saving strategies and energy-related statistics
DSIRE Incentives Database – South Dakota – Search a public clearinghouse for specific solar energy incentives in SD and across the United States
National Renewable Energy Laboratory – South Dakota
U.S. Energy Information Administration – South Dakota State Profile – Explore official energy statistics, including data on electricity supply and demand, from the U.S. government