Big Flat Electric Co-op electricity rates
Electric cooperative · Montana
Big Flat Electric Co-op is a member-owned electric cooperative, so its customers own it and elect its board, serving 2,062 homes in Montana. Its residential customers pay an average of 14.37¢/kWh including fixed and delivery charges, 20% 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 Flat Electric Co-op bill estimates
| Monthly use | At average all-in rate |
|---|---|
| 500 kWh | $71.85 |
| 1,000 kWh | $143.70 |
| 1,500 kWh | $215.55 |
| 2,000 kWh | $287.40 |
Big Flat Electric Co-op rate history
2015–2025: +10% change in the average residential rate (12.25¢ → 13.47¢). Annual EIA-861 data.
Outages & reliability
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Checking live outages…
Reliability history
Big Flat 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 Flat Electric Co-op's counties, customers averaged 19 hr 13 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Phillips | 1,866 | 19 | 3,209 | 2025-12-17 |
| Blaine | 1,113 | 18 | 4,330 | 2025-12-18 |
| Valley | 818 | 28 | 3,214 | 2025-01-24 |
Big Flat Electric Co-op service area
Big Flat Electric Co-op serves 3 counties in Montana and 11 ZIP codes.
Blaine, Phillips, Valley
Programs, smart meters & solar
| Smart meters (AMI) for homes | 0% |
| Time-based rate programs | None reported |
| Net-metered solar homes | 0 reported |
Big Flat Electric Co-op at a glance
| Ownership | Electric cooperative |
| Services | — |
| Retail revenue (2025) | $3,978,000 |
| Electricity sold (2025) | 29,529 MWh |
| Balancing authority | NWMT |
| EIA utility ID | 1671 |
Other utilities in Montana
Frequently asked questions
What is Big Flat Electric Co-op's electricity rate?
Big Flat Electric Co-op residential customers pay an average of 14.37¢ 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 4% above the Montana average of 13.84¢ and 20% below the U.S. average.
What is the average Big Flat Electric Co-op electric bill?
About $171 a month. The average Big Flat Electric Co-op home uses 1,193 kWh a month. At 1,000 kWh the bill would be about $144.
How many customers does Big Flat Electric Co-op have?
Big Flat Electric Co-op serves 2,062 residential customers in Montana, across 3 counties.
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 Flat Electric Co-op before making decisions.