Big Horn County Electric Co-op electricity rates
Electric cooperative · Montana
Big Horn County Electric Co-op is a member-owned electric cooperative, so its customers own it and elect its board, serving 3,709 homes in Montana. Its residential customers pay an average of 16.25¢/kWh including fixed and delivery charges, 10% 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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Big Horn County Electric Co-op bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $81.25 | $61.15 |
| 1,000 kWh | $162.50 | $100.31 |
| 1,500 kWh | $243.75 | $139.15 |
| 2,000 kWh | $325.00 | $177.98 |
*Residential Rate (effective 2013-12-24, $22.00/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.
Big Horn County Electric Co-op residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| Residential Rate | 2013-12-24 | $22.00 | 7.83¢ first 1,000 kWh, 7.77¢ first 2,000 kWh, 7.04¢ after |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
Big Horn County Electric Co-op rate history
2015–2025: +44% change in the average residential rate (10.59¢ → 15.24¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
Big Horn County 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 Big Horn County Electric Co-op's counties, customers averaged 100 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Big Horn | 100 | 7 | 1,779 | 2025-04-17 |
Big Horn County Electric Co-op service area
Big Horn County Electric Co-op serves Big Horn County in Montana and 4 ZIP codes.
Big Horn
Cities: Crow Agency
Programs, smart meters & solar
| Smart meters (AMI) for homes | 100% |
| Time-based rate programs | None reported |
| Net-metered solar homes | 0 reported |
Big Horn County Electric Co-op at a glance
| Ownership | Electric cooperative |
| Services | — |
| Retail revenue (2025) | $8,193,700 |
| Electricity sold (2025) | 53,764 MWh |
| Balancing authority | NWMT |
| EIA utility ID | 1683 |
Other utilities in Montana
Frequently asked questions
What is Big Horn County Electric Co-op's electricity rate?
Big Horn County Electric Co-op residential customers pay an average of 16.25¢ 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 17% above the Montana average of 13.84¢ and 10% below the U.S. average.
What is the average Big Horn County Electric Co-op electric bill?
About $196 a month. The average Big Horn County Electric Co-op home uses 1,208 kWh a month. At 1,000 kWh the bill would be about $163.
How many customers does Big Horn County Electric Co-op have?
Big Horn County Electric Co-op serves 3,709 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 Big Horn County Electric Co-op before making decisions.