List_of_power_stations_in_Maine

List of power stations in Maine

List of power stations in Maine

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This is a list of electricity-generating power stations in the U.S. state of Maine, sorted by type and name. In 2022, Maine had a total summer capacity of 5,126 MW through all of its power plants, and a net generation of 12,763 GWh.[2] In 2023, The electrical energy generation mix was 29.4% natural gas, 26.9% hydroelectric, 21.6% wind, 13.7% biomass, 5.1% solar, 0.6% petroleum, 0.4% coal, and 2.5% other. Small-scale solar, which includes customer-owned photovoltaic panels, delivered an additional net 607 GWh of energy to the state's electrical grid in 2023. This compares to the 582 GWh generated by Maine's utility-scale photovoltaic plants.[1]

Sources of Maine utility-scale electricity generation:
full-year 2023[1]

  Natural Gas (29.4%)
  Hydroelectric (26.9%)
  Wind (21.6%)
  Biomass (13.7%)
  Solar (5.1%)
  Petroleum (0.6%)
  Coal (0.4%)
  Other (2.5%)

During 2021, renewable sources generated 74% of all electrical energy from Maine, making it one of the top-five U.S. states. Maine's share of wind generation is the largest among New England states, and its share of biomass generation from the wood industry and municipal waste sources is the largest in the United States. Maine's electricity generation has not met the in-state demand in recent years, and about one-quarter of its electricity consumption was imported from Canada.[3]

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Nuclear power stations

The Maine Yankee Nuclear Power Plant generated 860 MW of base load electricity during years 1972–1996. Decommissioning was completed in 2005.[4][5] Maine had no utility-scale plants that used fissile material as a fuel in 2019.[1]

Fossil-fuel power stations

Data from the U.S. Energy Information Administration serves as a general reference.[6]

Coal-fired

The Mason Station in Wiscasset was a coal-fired plant built in 1941-42, with the capability of producing 153,500 kilowatts giving it the status, at that time, of Maine’s second largest electric generating plant, W.D. Wyman Station in Yarmouth was the largest with a capacity of 225,000 kilowatts.

Central Maine Power and Wiscasset were good neighbors for many years. The Mason Station was many things to the community. It brought economic growth to the town and livelihood to its employees. It produced electricity at a time when it was needed most, and, being the largest taxpayer in town, it helped keep the mil rate low for other taxpayers.

For several years in the 1970s, Maine Salmon Farms raised Pacific Coho salmon in the warm water outflow from Mason steam station in Wiscasset. The warm water prevented icing and allowed the young fish to grow even in the cold winter months.

The Rumford Cogeneration and S D Warren Plants previously burned coal as primary fuel, and continued to burn it as secondary fuel in 2019 (see Biomass).[7] Maine had no operating utility-scale plants that used coal as a primary fuel in 2019.[1]

Natural gas-fired

More information Name, Location ...

Petroleum-fired

Maine's petroleum-fired plants were operated as peaker plants in 2019.

More information Name, Location ...

A 16.2MW battery storage capacity added at Wyman Station in 2016.[19]

Renewable Power Stations

Data from the U.S. Energy Information Administration serves as a general reference.[6]

Biomass and Municipal Waste

More information Name, Location ...

A In operation since 1906, original units retired.

Hydroelectric

See also: List of dams and reservoirs in Maine
More information Name, Location ...

A In operation since 1906, original units retired.
B Retirement pending[84]
See also: Natural Resources Council of Maine Hydro Facilities[85]

Wind

See also: Wind power in Maine
More information Name, Location ...

Solar

See also: Solar power in Maine
More information Name, Location ...

A 0.6MW ground array + 0.6MW rooftop solar

Storage power stations

Data from the U.S. Energy Information Administration serves as a general reference.[6]

Battery storage

More information Name, Location ...

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