Electric Consumer

Editor: Katerine G., Editor & Data Researcher · Research & publishing: Electric Consumer Editorial Team · Data retrieved · Sources named on this page: EIA-861 · How we got these numbers · Report an error

Who runs the utilities in Maine?

98%of Maine homes are served by investor-owned utilities

Maine has 732,984 residential customers, EIA-861 2024 sales file (99% of EIA's count). Investor-owned 97.7%. Cooperative 1.5%. Municipal 0.9%. Maine ranks 5th of 51 states, investor-owned.

Maine homes by utility type

Maine: customers by type, %

  1. 97.7Investor-owned
  2. 0.9Municipal
  3. 1.5Cooperative
Maine customers and prices by type
Maine typeUtilitiesCustomersSharePrice ¢/kWhGap ¢ (%)kWh/moNonmetro
Investor-owned2715,86197.7%24.30not shown54768%
Municipal56,3200.9%not shownnot shown712100%
Cooperative210,8031.5%not shownnot shown50367%

In Maine, 67,006 customers (9%) are energy-only accounts with a competitive supplier.

Where Maine sits among the states

Share of residential customers served by investor-owned utilities, by state, 2024, one tile per stateAlaska: 8% investor-ownedAKMaine: 98% investor-ownedMEVermont: 81% investor-ownedVTNew Hampshire: 88% investor-ownedNHWashington: 44% investor-ownedWAIdaho: 87% investor-ownedIDMontana: 73% investor-ownedMTNorth Dakota: 56% investor-ownedNDMinnesota: 60% investor-ownedMNIllinois: 93% investor-ownedILWisconsin: 86% investor-ownedWIMichigan: 89% investor-ownedMINew York: 85% investor-ownedNYRhode Island: 99% investor-ownedRIMassachusetts: 91% investor-ownedMAOregon: 77% investor-ownedORNevada: 96% investor-ownedNVWyoming: 71% investor-ownedWYSouth Dakota: 64% investor-ownedSDIowa: 84% investor-ownedIAIndiana: 78% investor-ownedINOhio: 89% investor-ownedOHPennsylvania: 97% investor-ownedPANew Jersey: 99% investor-ownedNJConnecticut: 96% investor-ownedCTCalifornia: 79% investor-ownedCAUtah: 81% investor-ownedUTColorado: 58% investor-ownedCONebraska: 0% investor-ownedNEMissouri: 67% investor-ownedMOKentucky: 54% investor-ownedKYWest Virginia: 100% investor-ownedWVVirginia: 80% investor-ownedVAMaryland: 90% investor-ownedMDDelaware: 66% investor-ownedDEArizona: 57% investor-ownedAZNew Mexico: 78% investor-ownedNMKansas: 80% investor-ownedKSArkansas: 54% investor-ownedARTennessee: 1% investor-ownedTNNorth Carolina: 69% investor-ownedNCSouth Carolina: 56% investor-ownedSCDistrict of Columbia: 100% investor-ownedDCOklahoma: 68% investor-ownedOKLouisiana: 76% investor-ownedLAMississippi: 42% investor-ownedMSAlabama: 57% investor-ownedALGeorgia: 52% investor-ownedGAHawaii: 93% investor-ownedHITexas: 9% investor-ownedTXFlorida: 75% investor-ownedFL

One tile per state; darker means a larger share of homes served by investor-owned utilities. Maine is outlined; click a tile for that state.

Maine prices by utility type

Maine: only investor-owned utilities are priced, at 24.3 cents per kWh.

Maine: which utilities set the averages

Investor-owned: Central Maine Power Co holds 80% of priced customers at 23.4 cents, group average 24.3. Among 2 with 5,000+ customers, Central Maine Power Co charges 23.4 and Versant Power 28.1, 4.6 cents apart.

Maine territory, rural or urban

Maine has 16 counties, 69% of them nonmetro in USDA's 2023 codes. Customer-weighted: investor-owned territory is 68% nonmetro.

Maine: largest utilities

Maine utilities by customers
Central Maine Power CoInvestor-owned577,95523.4355764%
Versant PowerInvestor-owned137,90628.0850583%
Eastern Maine Electric CoopCooperative10,80317.0650367%
Houlton Water CompanyMunicipal3,90711.95736100%
Town of MadisonMunicipal2,41315.16672100%

Download all 17 Maine utilities as CSV

Compare your Maine utility

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Maine next to its neighbors

Maine has no priced municipal or cooperative gap.

Maine neighbors
StateInvestor-ownedMunicipalCooperativeMuni gapCoop gap
Maine98%1%1%not shownnot shown
New Hampshire88%0%12%not shown+5%

More

Similar investor-owned share: New Jersey 99%, Rhode Island 99%, Pennsylvania 97%, Connecticut 96%

Sources

Maine: EIA-861 (2024), USDA RUCC (2023); retrieval dates, checksums.

Questions

Which utility type serves most Maine homes?

Investor-owned utilities, 97.7% of 732,984 customers.

Do Maine co-ops or municipal utilities charge less?

Maine: only one priced type, nothing to compare.

How many utilities does Maine have?

EIA-861 (2024) lists 9; residential sales are reported by 5.

Can Maine customers pick their utility?

Not the wires: 9% of Maine customers choose an energy supplier, and the local utility still delivers.

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98% of Maine homes are served by investor-owned utilities

Cite this page

Underlying data are U.S. government works (EIA, Census Bureau). Our tables and charts: CC BY 4.0, credit Electric Consumer. The access date fills in when you open this page.

APA

Electric Consumer. (2026). Maine electricity by utility type: investor-owned utilities serve 98% of homes. Data as of 26 October 2026. Retrieved 26 October 2026, from https://electricconsumer.org/ownership/states/maine.html

MLA

Electric Consumer. “Maine electricity by utility type: investor-owned utilities serve 98% of homes.” Electric Consumer, data as of 26 October 2026, https://electricconsumer.org/ownership/states/maine.html. Accessed 26 October 2026.

Chicago

Electric Consumer. “Maine electricity by utility type: investor-owned utilities serve 98% of homes.” Data as of 26 October 2026. Accessed 26 October 2026. https://electricconsumer.org/ownership/states/maine.html.

BibTeX

@misc{usedata_ownership_states_maine,
  author = "Electric Consumer",
  title = {Maine electricity by utility type: investor-owned utilities serve 98% of homes},
  year = {2026},
  url = {https://electricconsumer.org/ownership/states/maine.html},
  note = {Data as of 26 October 2026. Accessed 26 October 2026}
}
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