Montana · Investor Owned
Avista Corp
8.67¢ per kWh, bundled, EIA-861 2025. Average bill $141.67 at 1,633.3 kWh a month, across 10 customers on that row.
Montana averaged 12.99¢/kWh and $110.80 a month. The United States averaged 17.23¢/kWh and $150.68. State and national figures come from EIA's Average Bill file.
Revenue divided by sales, EIA-861 Sales to Ultimate Customers, 2025, released October 7, 2026. Texas wires utilities come from the Delivery Companies file. The price and bill use bundled service. Customer count: 10, the largest residential count across service types.
Estimate a bill
The figure below is this utility's 2025 EIA residential average.
2025 EIA average
$86.70
8.67¢/kWh × 1,000 kWh. Bundled residential average, EIA-861 2025. The customer charge is already folded into this average, so it stands beside a tariff total rather than being added to it.
Annual history
| Year | ¢/kWh | Avg. bill | Avg. kWh | Customers |
|---|---|---|---|---|
| 2015 | 8.98¢ | $138.89 | 1,546.3 | 9 |
| 2016 | 8.69¢ | $160.19 | 1,842.6 | 9 |
| 2017 | 8.68¢ | $175.93 | 2,027.8 | 9 |
| 2018 | 9.00¢ | $187.50 | 2,083.3 | 8 |
| 2019 | 8.65¢ | $187.50 | 2,166.7 | 8 |
| 2020 | 8.51¢ | $147.50 | 1,733.3 | 10 |
| 2021 | 8.50¢ | $157.41 | 1,851.9 | 9 |
| 2022 | 8.52¢ | $175.93 | 2,064.8 | 9 |
| 2023 | 8.87¢ | $166.67 | 1,879.6 | 9 |
| 2024 | 8.50¢ | $157.41 | 1,851.9 | 9 |
| 2025 | 8.67¢ | $141.67 | 1,633.3 | 10 |
EIA-861, 2015–2025, using the same service type as the 2025 figure. A blank year means that service was not in the file.
Counties
Sanders.
EIA-861 Service Territory, 2025. A listed county is the county EIA recorded. It does not mean every address in the county is served. Open this utility in the bill calculator · Rate history tool