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Maine   Maine Profile

State Profile and Energy Estimates

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Profile Overview

Quick Facts

  • Three-fifths of Maine's households use fuel oil as their primary energy source for home heating, a larger share than any other state.
  • In 2020, 79% of Maine's electricity net generation came from renewable energy, and hydroelectric power provided the largest share at 34%.
  • Maine ranks sixth in the nation in the share of its electricity generated from wind. In 2020, wind provided about 24% of Maine's in-state net generation.
  • Maine forests cover about nine-tenths of its land, the largest share of any state, and wood and wood waste-derived fuels supply most of the biomass Maine uses for electricity generation. In 2020, biomass supplied one-fifth of Maine’s net generation, the largest share of any state. 
  • Maine’s largest electricity-generating plant by capacity is petroleum-fired, but it is used only intermittently to meet peak electricity demand in the winter.

Last Updated: August 19, 2021

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