EIA data through August 2026 · updated 2026-10-29

Electricity rates in 59484 — Sweet Grass, MT

Homes in ZIP 59484 pay about 9.8¢ per kWh (Glacier Electric Coop, Inc., 2024 average). The Montana average is 15.6¢ and the U.S. average 18.2¢ (Aug 2026).

Avg. home price9.8¢per kWh
Largest utility in countyGlacier Electric Coop, Inc.
MT average15.6¢Aug 2026
U.S. average18.2¢Aug 2026
Avg. monthly bill$1761,791 kWh/month, 2024
Montana has retail electricity choice. Many households can buy electricity supply from a competing supplier, while the local utility still delivers it. The averages here combine utility and supplier sales as reported to the EIA; your state’s public utility commission lists licensed suppliers.

What a month of electricity costs

500 kWh / month$49
900 kWh / month$88
1,200 kWh / month$118
1,800 kWh / month · avg. use$177

Monthly cost at the average price of 9.8¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.

Where ZIP 59484 is

Outlined: ZIP code area · scroll or pinch to zoom

Utilities serving Toole County

UtilityHome priceAvg. billCustomers in MT
Glacier Electric Coop, Inc.
Cooperative · serves Toole County
9.8¢
2024
$1767,959
Sun River Electric Coop, Inc.
Cooperative · serves Toole County
12.7¢
2024
$1736,268
Marias River Electric Coop Inc.
Cooperative · serves Toole County
10.2¢
2024
$1673,833

Utilities are matched to this ZIP code by NREL’s ZIP–utility table and the EIA service-territory list for Toole County; county matches may serve only part of the area. Prices are each utility’s average residential revenue per kWh.

Montana price trend

9¢12¢15¢18¢20222023202420252026Montana averageU.S. average 9¢12¢15¢18¢20222023202420252026Montana averageU.S. average
Montana averageU.S. average
Aug 202615.6¢per kWh
vs. 1 year ago+9%14.3¢
vs. 5 years ago+34.1%11.6¢
Record high15.6¢Aug 2026
Avg. home bill$122784 kWh, Aug
EIA forecast, Mountain14.7¢Dec 2027

Hover or tap the chart for exact monthly values. Source: EIA-861M (monthly, latest months preliminary); forecast: EIA Short-Term Energy Outlook (October 2026) for the Mountain region, which includes Arizona, Colorado, Idaho, Montana, Nevada, New Mexico, Utah, Wyoming.

Averages, not a quote. Prices here are what each utility’s residential customers paid on average (revenue ÷ kWh sold, fixed charges included), as reported to the U.S. Energy Information Administration. Your own rate depends on your plan, season and usage — check your bill or your utility’s tariff.

Questions about 59484

How much does electricity cost in 59484?

About 9.8¢ per kWh for homes (Glacier Electric Coop, Inc., 2024 average, EIA). At 900 kWh a month that is roughly $88.

Who is the electric utility for 59484?

Glacier Electric Coop, Inc. serves Toole County (EIA service territory), with about 7,959 residential customers in Montana; 2 other utilities also serve parts of the area.

Is electricity in MT getting more expensive?

The Montana residential average was 15.6¢ per kWh in August 2026, up 9% from a year earlier; the U.S. average was 18.2¢.

Can I choose my electricity supplier in MT?

Montana allows retail electricity choice for many households; the local utility still delivers the power.