Power Plants in Pennsylvania

303 plants · 59.9 GW total capacity

Pennsylvania has 303 power plants with 59.9 GW total capacity. The generation mix includes 94 solar, 70 gas, 33 other plants.

Largest is Homer City Generating Station (4396 MW Natural Gas); oldest active is York Haven (1905); newest is Lime Bluff 2 (2025); top owner is Constellation Energy (11 plants).

334 interconnection queue projects in Pennsylvania totaling 19.9 GW of proposed capacity.