307 plants · 25.2 GW total capacity
Iowa has 307 power plants with 25.2 GW total capacity. The generation mix includes 123 wind, 89 oil, 37 gas plants.
Largest is Walter Scott Jr Energy Center (1648 MW Sub. Coal); oldest active is Keokuk (1913); newest is Clinton Schools (2025); top owner is Berkshire Hathaway (55 plants).
86 interconnection queue projects in Iowa totaling 19.5 GW of proposed capacity.
Showing top 50 of 86 projects by capacity.