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Built 2026-09-19 (19 September 2026)

Maine Electricity: Generation Mix and Retail Prices

Maine generated 14.8 TWh of electricity in 2025, 38% of it from gas. The average retail price was 22.81 US cents/kWh in 2025. These are EIA statistics for 2025, with monthly figures through June 2026; they are not real time.

Key Facts

  • Maine generated 14.8 TWh of electricity in 2025, the 45th most of the 51 states and DC.
  • Gas was the largest source of Maine's electricity in 2025, at 37.5% of generation.
  • Wind was the second largest source of Maine's electricity in 2025, at 19.4% of generation.
  • Maine's electricity generation fell from 19.6 TWh in 2001 to 14.8 TWh in 2025.
  • The average retail price of electricity in Maine was 22.81 US cents/kWh in 2025, the 7th highest of the 51 states and DC.
  • Residential customers in Maine paid an average of 27.78 US cents/kWh in 2025.
  • Maine generated 1.22 TWh of electricity in June 2026.

Key Figures

MeasureValueAs of / source
Total generation14.8 TWh2025 · EIA
Generation rank45 of 512025 · EIA
Average retail price, all sectors22.81 US cents/kWh2025 · EIA
Price rank, highest first7 of 512025 · EIA
Retail sales11.0 TWh2025 · EIA
Retail customers869,9282025 · EIA
Retail revenueUSD 2,517 million2025 · EIA

Generation Mix, 2025

SourceGenerationShare
Gas5.56 TWh37.5%
Wind2.87 TWh19.4%
Hydro2.64 TWh17.8%
Bioenergy1.74 TWh11.7%
Solar1.55 TWh10.4%
Other268 GWh1.8%
Oil167 GWh1.1%
Coal31.8 GWh0.2%

Source: U.S. Energy Information Administration (EIA). (US Government work, public domain) Data as of 2025. Utility scale generation, all sectors; small scale solar is not included.

Year by Year

EIA annual statistics, 2001 to 2025
Maine electricity generation by source, 2001 to 2025 Maine's electricity generation by main source from 2001 to 2025, in TWh. In 2025 the largest sources were gas at 5.56 TWh, wind at 2.87 TWh, hydro at 2.64 TWh, bioenergy at 1.74 TWh, solar at 1.55 TWh. 0 4 8 11 15 20012006201120162021
Maine's electricity generation by main source from 2001 to 2025, in TWh. In 2025 the largest sources were gas at 5.56 TWh, wind at 2.87 TWh, hydro at 2.64 TWh, bioenergy at 1.74 TWh, solar at 1.55 TWh.
Annual statistics through 2025, TWh
Maine electricity generation by source, 2001 to 2025
YearGasWindHydroBioenergySolar
200110.1 TWhn/a2.65 TWh3.83 TWhn/a
200213.5 TWhn/a2.77 TWh4.04 TWhn/a
20039.44 TWhn/a3.17 TWh3.59 TWhn/a
20049.83 TWhn/a3.43 TWh3.60 TWhn/a
20058.40 TWhn/a4.09 TWh4.07 TWhn/a
20067.30 TWhn/a4.28 TWh3.97 TWhn/a
20076.67 TWh99.1 GWh3.74 TWh4.11 TWhn/a
20087.38 TWh132 GWh4.46 TWh3.93 TWhn/a
20097.36 TWh299 GWh4.21 TWh3.64 TWhn/a
20108.37 TWh499 GWh3.81 TWh3.65 TWhn/a
20116.88 TWh707 GWh3.98 TWh3.79 TWhn/a
20126.04 TWh887 GWh3.73 TWh3.78 TWhn/a
20134.87 TWh1.05 TWh3.56 TWh3.85 TWhn/a
20144.34 TWh1.10 TWh3.62 TWh3.39 TWhn/a
20152.95 TWh1.30 TWh3.36 TWh3.15 TWhn/a
20163.50 TWh1.67 TWh3.00 TWh2.79 TWhn/a
20172.24 TWh2.33 TWh3.39 TWh2.70 TWh5.44 GWh
20182.33 TWh2.38 TWh3.26 TWh2.66 TWh12.0 GWh
20191.80 TWh2.49 TWh3.50 TWh2.25 TWh7.05 GWh
20201.90 TWh2.40 TWh3.16 TWh2.09 TWh27.7 GWh
20213.35 TWh2.54 TWh2.54 TWh1.97 TWh158 GWh
20224.14 TWh2.72 TWh3.06 TWh1.81 TWh432 GWh
20233.98 TWh2.34 TWh3.83 TWh1.46 TWh523 GWh
20246.40 TWh2.45 TWh2.85 TWh1.64 TWh945 GWh
20255.56 TWh2.87 TWh2.64 TWh1.74 TWh1.55 TWh
YearGenerationLargest sourceAverage retail price
2025 14.8 TWh Gas 37.5% 22.81 US cents/kWh
2024 14.7 TWh Gas 43.7% 19.66 US cents/kWh
2023 12.5 TWh Gas 31.8% 20.84 US cents/kWh
2022 12.8 TWh Gas 32.4% 17.44 US cents/kWh
2021 10.9 TWh Gas 30.7% 13.96 US cents/kWh
2020 10.0 TWh Hydro 31.6% 13.54 US cents/kWh
2019 10.5 TWh Hydro 33.4% 14.04 US cents/kWh
2018 11.3 TWh Hydro 28.9% 13.44 US cents/kWh
2017 11.3 TWh Hydro 30.1% 13.02 US cents/kWh
2016 11.5 TWh Gas 30.4% 12.80 US cents/kWh

Source: U.S. Energy Information Administration (EIA). (US Government work, public domain) Data as of 2025.

Retail Electricity Prices

Average revenue per kWh sold, 2001 to 2025
Maine average retail electricity price by sector, 2001 to 2025 Average retail electricity prices in Maine by customer sector, in US cents per kWh. In 2025 the all sector average was 22.81 US cents/kWh and residential customers paid 27.78 US cents/kWh. 0 8 15 23 30 20012006201120162021
Average retail electricity prices in Maine by customer sector, in US cents per kWh. In 2025 the all sector average was 22.81 US cents/kWh and residential customers paid 27.78 US cents/kWh.
Annual statistics through 2025, US cents/kWh
Maine average retail electricity price by sector, 2001 to 2025
YearAll sectorsResidentialCommercialIndustrial
200110.55 US cents/kWh13.13 US cents/kWh11.64 US cents/kWh7.15 US cents/kWh
200210.35 US cents/kWh12.74 US cents/kWh10.68 US cents/kWh7.05 US cents/kWh
20039.79 US cents/kWh12.37 US cents/kWh10.34 US cents/kWh6.35 US cents/kWh
20049.69 US cents/kWh12.16 US cents/kWh9.89 US cents/kWh6.56 US cents/kWh
200510.57 US cents/kWh13.23 US cents/kWh10.63 US cents/kWh7.28 US cents/kWh
200611.80 US cents/kWh13.80 US cents/kWh12.42 US cents/kWh8.83 US cents/kWh
200714.59 US cents/kWh16.52 US cents/kWh12.94 US cents/kWh14.11 US cents/kWh
200813.80 US cents/kWh16.24 US cents/kWh12.95 US cents/kWh11.56 US cents/kWh
200913.12 US cents/kWh15.64 US cents/kWh12.60 US cents/kWh10.03 US cents/kWh
201012.84 US cents/kWh15.72 US cents/kWh12.51 US cents/kWh9.17 US cents/kWh
201112.58 US cents/kWh15.38 US cents/kWh12.29 US cents/kWh8.88 US cents/kWh
201211.81 US cents/kWh14.66 US cents/kWh11.53 US cents/kWh7.98 US cents/kWh
201311.86 US cents/kWh14.35 US cents/kWh11.74 US cents/kWh8.34 US cents/kWh
201412.65 US cents/kWh15.27 US cents/kWh12.70 US cents/kWh8.95 US cents/kWh
201512.78 US cents/kWh15.61 US cents/kWh12.47 US cents/kWh9.05 US cents/kWh
201612.80 US cents/kWh15.83 US cents/kWh12.08 US cents/kWh8.96 US cents/kWh
201713.02 US cents/kWh15.97 US cents/kWh12.12 US cents/kWh9.20 US cents/kWh
201813.44 US cents/kWh16.84 US cents/kWh12.51 US cents/kWh9.32 US cents/kWh
201914.04 US cents/kWh17.89 US cents/kWh12.83 US cents/kWh9.22 US cents/kWh
202013.54 US cents/kWh16.81 US cents/kWh12.56 US cents/kWh8.86 US cents/kWh
202113.96 US cents/kWh17.02 US cents/kWh12.90 US cents/kWh9.55 US cents/kWh
202217.44 US cents/kWh22.44 US cents/kWh15.40 US cents/kWh11.03 US cents/kWh
202320.84 US cents/kWh27.42 US cents/kWh17.88 US cents/kWh12.30 US cents/kWh
202419.66 US cents/kWh24.29 US cents/kWh18.22 US cents/kWh12.46 US cents/kWh
202522.81 US cents/kWh27.78 US cents/kWh20.96 US cents/kWh15.50 US cents/kWh
Sector, 2025Average priceSalesCustomers
All sectors 22.81 US cents/kWh 11.0 TWh 869,928
Residential 27.78 US cents/kWh 4.78 TWh 755,337
Commercial 20.96 US cents/kWh 4.03 TWh 112,806
Industrial 15.50 US cents/kWh 2.23 TWh 1,785
Transportation 0.00 US cents/kWh 0 TWh 0

Prices are average revenue per kWh sold, including delivery charges and taxes collected by utilities, in nominal US cents.

Source: U.S. Energy Information Administration (EIA). (US Government work, public domain) Data as of 2025.

Month by Month

EIA monthly statistics, preliminary for recent months
MonthGenerationAverage price, all sectorsResidential price
June 2026 1.22 TWh 23.19 US cents/kWh 29.59 US cents/kWh
May 2026 1.13 TWh 23.52 US cents/kWh 28.63 US cents/kWh
April 2026 1.24 TWh 23.76 US cents/kWh 28.42 US cents/kWh
March 2026 1.31 TWh 24.78 US cents/kWh 28.32 US cents/kWh
February 2026 1.30 TWh 26.67 US cents/kWh 32.17 US cents/kWh
January 2026 1.46 TWh 25.44 US cents/kWh 30.73 US cents/kWh
December 2025 1.48 TWh 24.57 US cents/kWh 30.39 US cents/kWh
November 2025 1.30 TWh 22.96 US cents/kWh 27.85 US cents/kWh
October 2025 1.12 TWh 22.00 US cents/kWh 26.63 US cents/kWh
September 2025 1.14 TWh 22.67 US cents/kWh 27.98 US cents/kWh
August 2025 1.20 TWh 23.30 US cents/kWh 28.25 US cents/kWh
July 2025 1.34 TWh 22.89 US cents/kWh 27.98 US cents/kWh

Source: U.S. Energy Information Administration (EIA). (US Government work, public domain) Data as of June 2026.