Power Plants in South Dakota

57 plants · 8.1 GW total capacity

South Dakota has 57 power plants with 8.1 GW total capacity. The generation mix includes 25 wind, 12 gas, 8 oil plants.

Largest is Oahe (786 MW Hydro); oldest active is Spearfish Hydro (1912); newest is RE Solar, LLC (2024); top owner is NextEra Energy (6 plants).

37 interconnection queue projects in South Dakota totaling 7.7 GW of proposed capacity.