Maine electric companies, rates and outages
EIA counts 5 utilities in Maine, serving 855,558 accounts for a population of 1,377,400.

In 2025 Maine homes paid 27.78 ¢/kWh: rank 6 of 51, 60.6% above the U.S. average of 17.30 ¢ (2024: 24.29 ¢).
Calculators for Maine
How it compares
| Customer sector | 2024 | Gap | Rank |
|---|---|---|---|
| Residential | 24.29 ¢/kWh | +47.4% against the U.S. | 8 of 511 is highest |
| Commercial | 18.22 ¢/kWh | +42.9% against the U.S. | 10 of 511 is highest |
| Industrial | 12.46 ¢/kWh | +53.3% against the U.S. | 8 of 511 is highest |
Electric companies in Maine
Maine home prices, 2024; lowest filled.
| Company | Home accounts | Average price | Reliability | Net metering |
|---|---|---|---|---|
| Houlton Water CompanyLowest price | 3,907 | 11.95 ¢/kWh$66 a month at 550 kWh | No data | No data |
| Town of Madison | 2,413 | 15.16 ¢/kWh$83 a month at 550 kWh | No data | No data |
| Eastern Maine Electric Coop | 10,803 | 17.06 ¢/kWh$94 a month at 550 kWh | 737 minSAIDI, SAIFI 5.98 | 0.4 MW38 systems |
| Central Maine Power Co | 577,955 | 22.37 ¢/kWh$123 a month at 550 kWh | 215 minSAIDI, SAIFI 1.83 | 1,454.6 MW69,229 systems |
| Versant Power | 137,906 | 27.50 ¢/kWh$151 a month at 550 kWh | 478 minSAIDI, SAIFI 3.10 | 282.3 MW12,785 systems |
Maine: 2025 and 2026
Maine, data to July 2026.
- Maine 2025 average price
- 27.78 ¢/kWh+14.4% against 2024, U.S. +5.0%
- Maine 2025 rank
- 6 of 51+2 places against 2024
- Maine January to Jul 2026
- 29.99 ¢/kWh+9.2% on Jan-Jul 2025
- Maine Last 12 months
- 29.31 ¢/kWhto July 2026
- Maine July 2026
- 32.41 ¢/kWh+15.8% against July 2025
- Maine 2025 costliest month
- Dec 30.39 ¢cheapest Jan 26.13 ¢, a 16% spread
- Maine Typical 2025 bill
- $148 a monthtop Mar $177, low Jun $123
The Maine residential price averaged 27.78 ¢/kWh in 2025, +14.4% on 2024: Maine ran 9.4 points faster than the nation. From January to July 2026 the Maine average is 29.99 ¢, +9.2% on 2025, 2.1 points above the U.S. change. Seasonality in Maine: 2025 peaked in December at 30.39 ¢ and bottomed in January at 26.13 ¢. A typical residential account in Maine paid about $1,774 for energy over 2025, from $123 in June to $177 in March; use per account ran 437 to 626 kWh a month.
Maine price by month, 2024 to Jul 2026
Price by month, Maine: 12 rows
| Month | 2024 | 2025 | 2026 to Jul |
|---|---|---|---|
| Jan | 27.39 | 26.13 | 30.73 |
| Feb | 24.80 | 26.25 | 32.17 |
| Mar | 23.84 | 28.27 | 28.32 |
| Apr | 21.49 | 28.11 | 28.42 |
| May | 20.94 | 27.91 | 28.63 |
| Jun | 22.40 | 28.14 | 29.59 |
| Jul | 23.15 | 27.98 | 32.41 |
| Aug | 23.77 | 28.25 | No data |
| Sep | 26.26 | 27.98 | No data |
| Oct | 25.78 | 26.63 | No data |
| Nov | 25.17 | 27.85 | No data |
| Dec | 26.21 | 30.39 | No data |
12 rows from EIA retail sales.
CSVWhat a typical Maine account paid each month
Maine: use per account times price, energy only.
Typical bill by month, Maine: 12 rows
| Month | 2025 | 2026 to Jul |
|---|---|---|
| Jan | 160 | 181 |
| Feb | 175 | 204 |
| Mar | 177 | 189 |
| Apr | 149 | 162 |
| May | 130 | 144 |
| Jun | 123 | 131 |
| Jul | 142 | 143 |
| Aug | 155 | No data |
| Sep | 131 | No data |
| Oct | 125 | No data |
| Nov | 147 | No data |
| Dec | 160 | No data |
12 rows from EIA retail sales.
CSVWhat Maine power is made of
In plain words. Natural gas is the biggest source in Maine (39%), and the power made there is cleaner than the U.S. average per kWh. New plants with 102 MW are under construction.
In 2025 Maine plants of 1 MW or more made 14.8 TWh. The biggest sources: natural gas 39.1%, wind 19.6%, hydro 17.2%. For comparison, natural gas makes 40.9% of U.S. generation. Wind, solar and hydro together: 46.9% (22.6% for the U.S.). Maine plants only; imports and rooftop solar are not counted.
Maine, share of net generation, %
- Coal 0.2
- Natural gas 39.1
- Nuclear
- Hydro (conventional) 17.2
- Wind 19.6
- Utility-scale solar 10.0
- Petroleum 1.1
- Wood, biomass, geothermal, waste 10.9
- Other 1.8
Fuel groups: prices guide.
Maine, share of net generation and operating capacity: 8 rows
| Source | Maine share of generation, % | U.S. share, % | Maine generation, TWh | Maine capacity, MW |
|---|---|---|---|---|
| Coal | 0.2 | 16.6 | 0.03 | 0 |
| Natural gas | 39.1 | 40.9 | 5.80 | 1,579 |
| Hydro (conventional) | 17.2 | 5.5 | 2.55 | 705 |
| Wind | 19.6 | 10.4 | 2.92 | 1,217 |
| Utility-scale solar | 10.0 | 6.8 | 1.49 | 960 |
| Petroleum | 1.1 | 0.4 | 0.17 | 883 |
| Wood, biomass, geothermal, waste | 10.9 | 1.4 | 1.63 | 559 |
| Other | 1.8 | 0.4 | 0.26 | 22 |
EIA-923 and EIA-860 for Maine, 2025 data, pulled 2 Oct 2026.
CSVMaine plant pipeline
Maine, megawatts: 6 rows
| Maine plants | MW |
|---|---|
| Operating, utility-scale | 5,925 |
| Battery storage | 239 |
| Retiring 2026 to 2030 | 0 |
| Retiring after 2030 | 5 |
| Under construction | 102 |
| Planned | 476 |
EIA-860 generators in Maine, 2025 data.
CSVMaine carbon per kWh
Maine plants emitted 312 lb of CO₂ per MWh in 2023 (0.141 kg per kWh), against 767 lb for the U.S. An average Maine home using 527 kWh a month accounts for about 75 kg of CO₂ a month at that rate. The rate is for Maine plants, not your supplier.
state and national values: 4 rows
| Measure | Maine | U.S. |
|---|---|---|
| CO₂, lb per MWh | 311.8 | 767.2 |
| CO₂, kg per kWh | 0.141 | 0.348 |
| NOx, lb per MWh | 0.313 | 0.452 |
| SO2, lb per MWh | 0.188 | 0.359 |
EPA eGRID2023 for Maine, pulled 2 Oct 2026.
CSVWho delivers and who sells in Maine
8.9% of Maine home accounts bought energy from a supplier other than the wires company in 2024 (13 suppliers reported), 742,549 accounts in all. Plan prices are not shown here: choosing a supplier.
Maine, largest wires companies: 3 rows
| Maine wires company | Delivery-only home accounts |
|---|---|
| Central Maine Power Co | 58,660 |
| Versant Power | 7,245 |
| Versant Power | 29 |
EIA-861 wires companies in Maine, 2024 data.
CSVMaine, largest suppliers by home accounts: 5 rows
| Maine supplier | Home accounts |
|---|---|
| Electricity Maine, LLC | 17,749 |
| SmartEnergy Holdings, LLC | 17,539 |
| XOOM Energy Maine, LLC | 5,370 |
| C. N. Brown Electricity, LLC | 4,843 |
| Major Energy Electric Services | 3,972 |
EIA-861 suppliers in Maine, 2024 data.
CSVMaine weather
A normal year in Maine brings 8,285 heating and 171 cooling degree-days (1991 to 2020). 2025 had 7,652 heating (8% below normal) and 288 cooling (68% above normal).
Maine degree-days by year
Heating and cooling degree-days, Maine, 2015 to 2025: 11 rows
| Maine year | Heating (HDD) | Cooling (CDD) | Normal HDD | Normal CDD |
|---|---|---|---|---|
| 2015 | 8023 | 253 | 8285 | 171 |
| 2016 | 7268 | 293 | 8285 | 171 |
| 2017 | 7499 | 215 | 8285 | 171 |
| 2018 | 7835 | 334 | 8285 | 171 |
| 2019 | 8097 | 255 | 8285 | 171 |
| 2020 | 7184 | 312 | 8285 | 171 |
| 2021 | 6959 | 305 | 8285 | 171 |
| 2022 | 7238 | 336 | 8285 | 171 |
| 2023 | 6926 | 289 | 8285 | 171 |
| 2024 | 6846 | 359 | 8285 | 171 |
| 2025 | 7652 | 288 | 8285 | 171 |
NOAA nClimDiv degree-days for Maine, 2015 to 2025, pulled 2 Oct 2026.
CSVMaine meters and time-of-use rates
97.6% of Maine home meters are advanced (AMI) meters: 741,947 of 759,838. 1 of 6 reporting utilities offer a home time-of-use rate, and 4,962 home accounts are enrolled in dynamic pricing programs.
EIA-861 meters in Maine, data year 2024, pulled 2 Oct 2026: homes.
Flood claims and flood insurance in Maine
Maine: 1,317 NFIP flood claims with a loss date in 2015 to 2025, $45.5M paid, median paid claim $22,534; 33rd of 55 states and territories by dollars paid. The peak year was 2024 with 744 claims. FEMA counts 1.2% of Maine residential structures as insured, 21st of 51, and the policy file shows 8,514 NFIP policies in force on 8 Sep 2026. Floods damage substations and lines, and in Maine this is claims history, not an outage count.
| Top counties in Maine | Claims 2015-2025 | Paid | Claims per 1,000 homes |
|---|---|---|---|
| York County | 726 | $26.7M | 8.8 |
| Cumberland County | 113 | $2.4M | 1.1 |
| Lincoln County | 73 | $3.1M | 3.7 |
| Oxford County | 65 | $2.8M | 2.6 |
| Kennebec County | 64 | $2.7M | 1.3 |
Maine: flood claims by state, flood claims by county. 1,317 Maine claims as of 8 Sep 2026, OpenFEMA NFIP; counts under 5 hidden.
Maine charts
Price by sector, Maine
Home 24.29, business 18.22, industry 12.46 ¢ in 2024.
Maine price by sector 2015-2024, 2015 to 2024: 10 rows
| Year | Residential | Commercial | Industrial | Gap to U.S. residential |
|---|---|---|---|---|
| 2015 | 15.61 | 12.47 | 9.05 | +2.96 |
| 2016 | 15.83 | 12.08 | 8.96 | +3.28 |
| 2017 | 15.97 | 12.12 | 9.20 | +3.08 |
| 2018 | 16.84 | 12.51 | 9.32 | +3.97 |
| 2019 | 17.89 | 12.83 | 9.22 | +4.88 |
| 2020 | 16.81 | 12.56 | 8.86 | +3.66 |
| 2021 | 17.02 | 12.90 | 9.55 | +3.36 |
| 2022 | 22.44 | 15.40 | 11.03 | +7.40 |
| 2023 | 27.42 | 17.88 | 12.30 | +11.42 |
| 2024 | 24.29 | 18.22 | 12.46 | +7.81 |
10 rows from EIA retail sales.
CSVLargest utilities, SAIDI
Median of 3 reporters here: 478.0 minutes.
Maine, SAIDI of the largest Maine utilities: EIA-861 survey.
CSVMedian SAIDI by year, 2015-2024
280 minutes in 2015, 478 in 2024.
Median SAIDI by year, Maine, 2015 to 2024: 10 rows
| Year | Maine median | Gap to U.S. median reporter |
|---|---|---|
| 2015 | 280 | +179 |
| 2016 | 493 | +391 |
| 2017 | 341 | +246 |
| 2018 | 397 | +296 |
| 2019 | 213 | +115 |
| 2020 | 319 | +222 |
| 2021 | 220 | +124 |
| 2022 | 326 | +223 |
| 2023 | 303 | +204 |
| 2024 | 478 | +379 |
10 rows from EIA-861 survey.
CSVWho serves each county
Maine counties shaded by utilities listing them; the table shows the top twelve.
1 utility 2 3 4 or more
Maine counties: first 12 of 16 rows
| County | Utilities | Names |
|---|---|---|
| Aroostook | 3 | Eastern Maine Electric Coop; Houlton Water Company; Versant Power |
| Penobscot | 3 | Central Maine Power Co; Eastern Maine Electric Coop; Versant Power |
| Hancock | 2 | Central Maine Power Co; Versant Power |
| Piscataquis | 2 | Central Maine Power Co; Versant Power |
| Somerset | 2 | Central Maine Power Co; Town of Madison |
| Waldo | 2 | Central Maine Power Co; Versant Power |
| Washington | 2 | Eastern Maine Electric Coop; Versant Power |
| Androscoggin | 1 | Central Maine Power Co |
| Cumberland | 1 | Central Maine Power Co |
| Franklin | 1 | Central Maine Power Co |
| Kennebec | 1 | Central Maine Power Co |
| Knox | 1 | Central Maine Power Co |
16 rows from EIA-861 Service Territory, Census 2023 county outlines.
CSVAnalyst note
Maine residential power was 11th highest of 51 in 2015 at 15.61 ¢ and is 8th in 2024 at 24.29 ¢, so the state moved up 3 places. The U.S. figure went 12.65 to 16.48 ¢ while Maine went +55.6%. The biggest annual move was 2022 at +31.8%; the latest year, 2024, came in at -11.4% against +3.0% for the U.S. Business customers paid 12.47 ¢ in 2015 and 18.22 ¢ in 2024, a gap to homes of -3.14 ¢ then and -6.07 ¢ now; industry went from 9.05 to 12.46 ¢ (+37.7%). Reliability worsened at the 3 Maine utilities that report in both years: their median SAIDI went from 280 minutes in 2015 to 478 in 2024, +71%, against a U.S. median reporter of 99. Central Maine Power Co is the largest by accounts with 657,328, 76.8% of the 855,558 accounts in Maine, and the top three hold 97.7%.
Maine ranks 8th of 51 on residential price (24.29 ¢), among the costliest, and 47.4% over the national average. Since 2015 the residential price moved +55.6% against +30.3% nationally, so Maine has pulled away from the national trend by 25.3 points.
Businesses pay 6.07 ¢ less than households here (-25.0%); business is under home price in 51 of 51. The median of 3 reporting utilities is 478.0 SAIDI minutes, 4.81 times the national median. The top three utilities hold 99.0% of accounts, so a few reliability records set the state picture.
By revenue, Maine electricity splits 53.4% residential, 33.6% commercial and 13.0% industrial; by kWh the split is 43.2%, 36.3% and 20.5%. Residential accounts are the largest revenue source here. Home accounts are 86.8% of 855,558 accounts and use 550 kWh a month, a commercial account 3,089 and an industrial one 100,525.
Facts
- Residents (ACS 2023)
- 1,377,400589,085 households
- Electric accounts
- 855,558621 per 1,000 residents
- Residential price
- 24.29 ¢/kWh+7.81 ¢ against the U.S.
- Commercial price
- 18.22 ¢/kWh+5.47 ¢ against the U.S.
- Industrial price
- 12.46 ¢/kWh+4.33 ¢ against the U.S.
- Residential since 2015
- +55.6%+25.3 points vs U.S.
- Retail sales
- 11.3 TWh8,234 kWh a resident
- Utilities listed
- 52 investor owned, 2 municipal, 1 cooperative
- Median SAIDI
- 478.0 min3 utilities, 4.81x U.S.
- Net-metered capacity
- 1,737 MW82,052 installations
- Top three utilities
- 99.0%of utility accounts
- Business minus home
- -6.07 ¢-25.0% of the home price
- Counties with 2+ utilities
- 7 of 16most: Penobscot, 3 utilities
Data tables
Maine: price by year
| Year | Home | Business | Industry | Home vs U.S. |
|---|---|---|---|---|
| 2015 | 15.61 | 12.47 | 9.05 | +2.96 |
| 2016 | 15.83 | 12.08 | 8.96 | +3.28 |
| 2017 | 15.97 | 12.12 | 9.20 | +3.08 |
| 2018 | 16.84 | 12.51 | 9.32 | +3.97 |
| 2019 | 17.89 | 12.83 | 9.22 | +4.88 |
| 2020 | 16.81 | 12.56 | 8.86 | +3.66 |
| 2021 | 17.02 | 12.90 | 9.55 | +3.36 |
| 2022 | 22.44 | 15.40 | 11.03 | +7.40 |
| 2023 | 27.42 | 17.88 | 12.30 | +11.42 |
| 2024 | 24.29 | 18.22 | 12.46 | +7.81 |
Questions on Maine
What is the average residential electricity price in Maine?
24.29 cents in 2024, which is +7.81 cents against the U.S. figure.
How has Maine residential power changed since 2015?
It went from 15.61 to 24.29 cents, +55.6% in total, +25.3 points against the U.S.
How many electric utilities operate in Maine?
5 utilities have Maine as their largest state, and 3 of them report SAIDI.
What net-metered capacity do Maine utilities report?
1,737 MW over 82,052 installations.
How many accounts per 1,000 people in Maine?
621: 855,558 accounts for 1,377,400 residents.
Is commercial power cheaper than residential in Maine?
Businesses pay 18.22 ¢ and homes 24.29 ¢, a difference of -6.07 ¢.
What did Maine residential electricity cost in 2025?
Maine averaged 27.78 cents per kWh, +14.4% against 24.29 in 2024, and 6 of 51 among states.
Are Maine residential electricity prices rising in 2026?
Maine is +2.1 points against the U.S.: 29.99 cents from January to July 2026, +9.2% on 2025.
When in 2025 did Maine residential power cost most, December or January?
December at 30.39 cents in Maine; January was the lowest at 26.13, a 16% spread.
Does Maine residential power cost more than the national average in 2026?
11.77 cents above the national average; Maine 29.99 cents over January to July 2026, +9.2% on 2025.
States with a similar home price
Closest to Maine at 24.29 ¢/kWh, by 2024 average home price.
- New York24.43 ¢/kWh for homes in 2024, 0.14 ¢ above Maine
- Alaska24.82 ¢/kWh for homes in 2024, 0.53 ¢ above Maine
- New Hampshire23.40 ¢/kWh for homes in 2024, 0.89 ¢ below Maine
- Vermont21.90 ¢/kWh for homes in 2024, 2.39 ¢ below Maine
- Rhode Island28.65 ¢/kWh for homes in 2024, 4.36 ¢ above Maine
More on Maine
- Average electric bill in Mainetypical bill by month and use
- Lewiston electricity rates37,886 residents
- Bangor electricity rates31,663 residents
- Central Maine Power Co657,328 accounts, SAIDI 215 min
- Versant Power165,560 accounts, SAIDI 478 min
- Maine residential rates24.29 ¢, rank 8 of 51
- Maine commercial rates18.22 ¢, rank 10 of 51
- Maine industrial rates12.46 ¢, rank 8 of 51
How Maine ranks and compares
Maine is 46th cheapest of 51 on price (27.78 ¢); 43rd of 44 on outage minutes (273 min); 4th cleanest grid (312 lb CO2 per MWh); 20th highest income burden (2.47%).
All rankings, price, income and outages explorer, compare two states.
Help paying the bill in Maine
Maine has $42.7 million in federal energy-assistance money for FY2026, shutoff rules and phone lines. Open the Maine help page.
Counties in Maine ranked: highest and lowest energy burden, storm reports and old homes, county by county.
More on Maine
- Maine home price since 200113.13 ¢ in 2001, 27.78 ¢ in 2025: +112% as printed, +16% after inflation
- Power plants planned in Maine591 MW planned, 10% of the 5,948 MW operating; 5 MW set to retire
- Major outage reports in Maine83 DOE reports name Maine, 2014 to 2023, 8th of 51
- Maine data centers and billscommercial electricity sales -3 from 2019 to 2025, 41st of 51; a proxy, not data-center load
- Maine energy burden12.8% of income for households under 60% of state median income, 2nd of 51; all households 4.0%