Avista Corp electricity rates
Avista Corp (investor owned) residential customers paid about 14.8¢ per kWh (Jan–Aug 2026) — an average bill of $107 for 901 kWh a month.
What a month costs with Avista Corp
Monthly cost at the average price of 14.8¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.
Price trend
Hover or tap the chart for exact monthly values. Source: EIA-861M (monthly, latest months preliminary); forecast: EIA Short-Term Energy Outlook (October 2026) for the Pacific region, which includes Alaska, California, Hawaii, Oregon, Washington.
By state
| State | Home price (2024) | Avg. bill | Customers |
|---|---|---|---|
| Washington | 11.9¢ | $107 | 246,055 |
| Idaho | 11.6¢ | $102 | 128,226 |
| Montana | 8.5¢ | $157 | 9 |
ZIP codes served
and 91 more.
Averages, not a quote. Prices here are what each utility’s residential customers paid on average (revenue ÷ kWh sold, fixed charges included), as reported to the U.S. Energy Information Administration. Your own rate depends on your plan, season and usage — check your bill or your utility’s tariff.
Questions
What is Avista Corp’s electricity rate?
About 14.8¢ per kWh for residential customers (Jan–Aug 2026 average, EIA-861M), including fixed charges spread over usage.
What is the average Avista Corp electric bill?
$107 a month in 2024, for an average of 901 kWh (EIA-861).
Is Avista Corp cheaper than the Washington average?
No: 14.8¢ versus the Washington average of 14.6¢ (Aug 2026).