Washington · Investor Owned
Avista Corp
14.16¢ per kWh, bundled, EIA-861 2025. Average bill $129.76 at 916.4 kWh a month, across 247,159 customers on that row.
Washington averaged 13.17¢/kWh and $124.41 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: 247,159, the largest residential count across service types.
Estimate a bill
The figure below is this utility's 2025 EIA residential average.
2025 EIA average
$141.60
14.16¢/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 | 9.35¢ | $85.75 | 917.0 | 220,344 |
| 2016 | 9.65¢ | $86.44 | 895.8 | 221,829 |
| 2017 | 9.97¢ | $96.01 | 963.1 | 224,696 |
| 2018 | 10.15¢ | $90.75 | 893.7 | 227,866 |
| 2019 | 9.86¢ | $90.27 | 915.2 | 230,749 |
| 2020 | 9.89¢ | $90.44 | 914.4 | 232,273 |
| 2021 | 10.00¢ | $93.07 | 930.6 | 237,083 |
| 2022 | 10.05¢ | $96.46 | 960.3 | 239,958 |
| 2023 | 10.78¢ | $98.31 | 911.7 | 243,524 |
| 2024 | 11.87¢ | $106.95 | 901.2 | 246,055 |
| 2025 | 14.16¢ | $129.76 | 916.4 | 247,159 |
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
Adams, Asotin, Ferry, Grant, Lincoln, Pend Oreille, Spokane, Stevens, Whitman.
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