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Carter County, MT Energy

Electric utilities, power plants and charging stations in Carter County, Montana.

Montana home electricity
14.99¢/kWh
July 2026
Regular gas, region
$4.47/gal
Rocky Mountain (PADD 4)
Electric utilities
4
Serving Carter County

Electric utilities serving Carter County

As reported to EIA for 2025. A utility may serve only part of the county. Customers and prices are for its whole Montana service area

Swipe the table sideways to see more columns.

UtilityCustomers in stateHome priceHome bill
Tongue River Electric Coop IncCooperative5,229Not reportedNot reported
Southeast Electric Coop, IncCooperative2,196Not reportedNot reported
Black Hills Power, Inc.Investor Owned47Not reportedNot reported
Grand Electric Coop, IncCooperative16Not reportedNot reported

Electricity rates and gas prices are state or regional averages. Utility service areas come from EIA Form 861 and are listed by county, so a utility listed here may not serve every address in the county.

Frequently asked questions

What electric company serves Carter County?
Tongue River Electric Coop Inc, Southeast Electric Coop, Inc, Black Hills Power, Inc. and 1 more report serving Carter County to EIA. Check your bill or address with the utility to confirm which one serves you.