Grand Electric Co-op electricity rates
Electric cooperative · Montana
Grand Electric Co-op is a member-owned electric cooperative, so its customers own it and elect its board, serving 16 homes in Montana. Its residential customers pay an average of 15.80¢/kWh including fixed and delivery charges, 12% less than the U.S. average.
Rate basis: EIA-861 2025 annual data, adjusted to the 12 months ending 2026-07 using the state's price trend. This utility files EIA's short form, which reports total sales only, so the rate covers all customer classes.
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Grand Electric Co-op bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $79.00 | $52.75 |
| 1,000 kWh | $158.00 | $84.75 |
| 1,500 kWh | $237.00 | $116.75 |
| 2,000 kWh | $316.00 | $148.75 |
*Schedule A - Farm and Residential (effective 2012-07-01, $15.00/month customer charge), energy and fixed charges from the OpenEI Utility Rate Database. Riders, fuel adjustments and taxes are often billed separately, so real bills usually land closer to the all-in column. Calculate your bill.
Grand Electric Co-op residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| Schedule A - Farm and Residential | 2012-07-01 | $15.00 | 8.70¢ first 250 kWh, 6.40¢ after |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
Grand Electric Co-op rate history
2015–2025: +45% change in the average residential rate (10.24¢ → 14.81¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
Grand Electric Co-op doesn't report reliability metrics to EIA (common for small utilities).
Outages in counties served (2025)
From ORNL EAGLE-I, which tracks customers without power every 15 minutes. These counts cover every utility in each county. Weighted across Grand Electric Co-op's counties, customers averaged 1 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Carter | 1 | 0 | 1 | 2025-11-13 |
Grand Electric Co-op service area
Grand Electric Co-op serves Carter County in Montana and 3 ZIP codes.
Carter
Programs, smart meters & solar
| Smart meters (AMI) for homes | 100% |
| Time-based rate programs | None reported |
| Net-metered solar homes | 0 reported |
Grand Electric Co-op at a glance
| Ownership | Electric cooperative |
| Services | — |
| Retail revenue (2025) | $20,000 |
| Electricity sold (2025) | 135 MWh |
| Balancing authority | SWPP |
| EIA utility ID | 7484 |
Other utilities in Montana
Frequently asked questions
What is Grand Electric Co-op's electricity rate?
Grand Electric Co-op residential customers pay an average of 15.80¢ per kWh, all charges included (EIA-861 2025 annual data, adjusted to the 12 months ending 2026-07 using the state's price trend). That's 14% above the Montana average of 13.84¢ and 12% below the U.S. average.
What is the average Grand Electric Co-op electric bill?
About $111 a month. The average Grand Electric Co-op home uses 703 kWh a month. At 1,000 kWh the bill would be about $158.
How many customers does Grand Electric Co-op have?
Grand Electric Co-op serves 16 residential customers in Montana, across 1 county.
Sources: EIA-861 2025 and EIA-861M (through July 2026), OpenEI URDB, ORNL EAGLE-I, U.S. Census. Methodology. Spot an error? Rates change often, so confirm with Grand Electric Co-op before making decisions.