18 plants · 3.8 GW total capacity · across 12 states
Apex Clean Energy operates 18 power plants across 12 states with 3.8 GW total capacity. Their fleet is primarily wind (12 plants).
Largest is Singing Grass Wind (603 MW Wind); oldest active is Mountain Lake (1954); newest is Wheatsborough Solar (2025); top state is Illinois (3 plants).
Developer name contains “Apex Clean Energy”
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