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Avista Corp
Avista Corp served 129,181 residential customers in Idaho in 2025 (14.6% of the state's residential customers), the 2nd largest of 13 utilities reporting there. Bundled service; ownership: investor owned; balancing authority AVA.
The meter, one average month.
Scroll to run 30 days of Avista Corp's average residential use through a five-dial register.
- Used so far
- 900 kWh
- At 11.84¢/kWh
- $107
Price ruler0 to 50¢ per kWh
Where 11.84¢ sits.
Avista Corp averaged 11.84¢ per kWh against a Idaho residential average of 11.82¢: 0.2% above the state figure. Among the 3 investor owned utilities in Idaho with bundled residential sales, it ranks 2nd from the lowest price.
2020 and 2025EIA-861
Five years, same meter.
In 2020 the average Avista Corp home used 885 kWh a month at 9.86¢ and paid $87.30. In 2025 it used 900 kWh at 11.84¢ and paid $107: the price per kWh is up 20.1%.
| Measure | 2020 | 2025 |
|---|---|---|
| Price, ¢/kWh | 9.86 | 11.84 |
| Use, kWh a month | 885 | 900 |
| Bill, US$ a month | 87.3 | 106.63 |
| Class | Customers | MWh sold | ¢/kWh |
|---|---|---|---|
| Residential | 129,181 | 1,395,545 | 11.84 |
| Commercial | 19,563 | 1,072,121 | 9.6 |
| Industrial | 354 | 1,181,500 | 5.14 |
Who else is on the line
Homes are one class.
Homes took 38.2% of the electricity Avista Corp sold in Idaho in 2025.
Rooftop solar on its linesnet metering
827 roofs.
- Residential net-metered PV
- 827installations reported for 2025
- Capacity
- 7.4 MWresidential, net metered
- Per 1,000 homes
- 6.4installations per 1,000 residential customers
Service territoryEIA-861
9 counties.
BenewahBonnerClearwaterIdahoKootenaiLatahLewisNez PerceShoshone
Counties in Idaho where Avista Corp reported serving customers in 2025 (9 in all; up to 24 listed).
EIA-8612025Utility 20169
The filing, line by line.
| Measure | Value | Unit |
|---|---|---|
| Average price | 11.84 | ¢/kWh |
| Idaho average price | 11.82 | ¢/kWh |
| Difference from state average | 0.2 | % |
| Price change over 5 years | 20.1 | % |
| Typical monthly use | 900 | kWh |
| Typical monthly bill | 106.63 | US$ |
| Residential customers | 129,181 | accounts |
| Share of ID residential customers | 14.6 | % |
| Size rank in ID | 2 of 13 | by customers |
| Price rank, investor owned peers | 2 of 3 | 1 = lowest |
Rate plans on fileOpenEI URDB
None shown for this page. Plan counts appear once per utility, on its largest state's bundled page; how plans are counted.