Power Plants in Maine

260 plants · 6.7 GW total capacity

Maine has 260 power plants with 6.7 GW total capacity. The generation mix includes 159 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 REDP - Trenton (2025); top owner is Nautilus Solar Solutions (24 plants).

15 interconnection queue projects in Maine totaling 1.1 GW of proposed capacity.

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By Fuel Type

Solar
159 plants · 1.5 GW
Hydro
48 plants · 700 MW
Wind
22 plants · 1.2 GW
other
16 plants · 605 MW
Battery
7 plants · 217 MW
Gas
5 plants · 1.6 GW
Oil
3 plants · 901 MW

All Plants (sorted by capacity)

Queue Projects in Maine (15 projects)