266 plants · 6.7 GW total capacity
Maine has 266 power plants with 6.7 GW total capacity. The generation mix includes 165 solar, 48 hydro, 22 wind plants.
Largest is William F Wyman Hybrid (863 MW Residual Oil); oldest active is S D Warren Westbrook (1903); newest is Lisbon CSG LLC (2025); top owner is Nautilus Solar Solutions (24 plants).
14 interconnection queue projects in Maine totaling 844 MW of proposed capacity.