594 plants · 58.8 GW total capacity
Illinois has 594 power plants with 58.8 GW total capacity. The generation mix includes 388 solar, 70 gas, 62 wind plants.
Largest is Byron Generating Station (2450 MW Nuclear); oldest active is Dayton Hydro (1925); newest is KA361 (2026); top owner is Generate Capital (36 plants).
448 interconnection queue projects in Illinois totaling 85.1 GW of proposed capacity.
Showing top 50 of 448 projects by capacity.
Search plants, projects, owners, and states