11.84¢
per kWh, 2025
[ Avista / ID ]
Avista electricity rates in Idaho
NO RATE CASE ON FILE · DATA 2025
change in average rate, 2024→2025
+1.9%
vs 2024
129,181
residential customers
+20.1%
since 2020
What your bill becomes
Bill today
No change on file
Difference / month · / year
Estimated at Avista's average effective residential rate (11.84¢/kWh, EIA, all charges included). Your tariff, fees and taxes differ.
Rate history 2015–2025
| Year | ¢/kWh | Change | Customers |
|---|---|---|---|
| 2015 | 9.49¢ | — | 110,394 |
| 2016 | 9.54¢ | +0.5% | 111,508 |
| 2017 | 9.87¢ | +3.5% | 113,236 |
| 2018 | 10.19¢ | +3.2% | 115,122 |
| 2019 | 9.67¢ | −5.1% | 117,354 |
| 2020 | 9.86¢ | +2.0% | 118,386 |
| 2021 | 9.94¢ | +0.8% | 122,360 |
| 2022 | 9.87¢ | −0.7% | 123,965 |
| 2023 | 10.17¢ | +3.0% | 126,548 |
| 2024 | 11.62¢ | +14.3% | 128,226 |
| 2025 | 11.84¢ | +1.9% | 129,181 |
How this compares
11.83¢
Idaho average, 2025
+0.1%
Avista vs ID 2025 average
−31.3%
vs US 2025 average
#4
priciest in ID
Serves 9 counties in Idaho: Benewah, Bonner, Clearwater, Idaho, Kootenai, Latah, Lewis, Nez Perce, Shoshone. 77 ZIP codes.
Questions
Is Avista raising rates in 2026?
No rate case for Avista is on file with the Idaho Public Utilities Commission in our tracker. Its average residential rate moved +1.9% from 2024 to 2025. We check the commission docket monthly.
What does Avista charge per kWh?
Avista's average effective residential rate was 11.84¢ per kWh in 2025 (EIA-861, revenue divided by sales, all charges included). Idaho's 2025 average was 11.83¢.
How much have Avista rates gone up in five years?
+20.1% between 2020 and 2025, against +32.1% for Idaho as a whole over the latest five-year window.
How many customers does Avista have in Idaho?
129,181 residential customers in 2025, across 9 counties including Benewah, Bonner, Clearwater, according to the EIA-861 survey.
Where do these numbers come from?
Rates and customer counts are from the US Energy Information Administration's annual EIA-861 survey; rate-case facts are from the Idaho Public Utilities Commission docket linked on this page. Nothing here is a utility bill; use it to understand the direction and size of changes.
Sources
- EIA-861 Sales to Ultimate Customers, 2015–2025 (released 2026-10-07)
- EIA-861M monthly state averages through Jul 2026
- NREL utility-by-ZIP lookup (2024)