WashingtonLocal --:--Sun now --Daylight --

Avista Corp

Avista Corp served 247,159 residential customers in Washington in 2025 (7.3% of the state's residential customers), the 4th largest of 38 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.

Day 30 of 30

Used so far: 916 kWh
At 14.16¢/kWh: $130

An average 2025 month: 916 kWh at 14.16¢ comes to about $130, the average bill. Use is spread evenly over 30 days for the picture.

Price ruler0 to 50¢ per kWh

Where 14.16¢ sits.

Avista Corp averaged 14.16¢ per kWh against a Washington residential average of 13.11¢: 8% above the state figure. Among the 3 investor owned utilities in Washington with bundled residential sales, it ranks 1st from the lowest price.

14.16¢ this utility

13.11¢ WA avg

2020 and 2025EIA-861

Five years, same meter.

In 2020 the average Avista Corp home used 914 kWh a month at 9.89¢ and paid $90.44. In 2025 it used 916 kWh at 14.16¢ and paid $130: the price per kWh is up 43.2%.

Avista Corp, Washington, residential averages, 2020 and 2025
Measure	2020	2025
Price, ¢/kWh	9.89	14.16
Use, kWh a month	914	916
Bill, US$ a month	90.44	129.76

Avista Corp customers and sales by class in Washington, 2025, EIA-861 (bundled service)
Class	Customers	MWh sold	¢/kWh
Residential	247,159	2,718,096	14.16
Commercial	27,317	2,174,566	14.3
Industrial	805	1,213,968	8.14

Who else is on the line

Homes are one class.

Homes took 44.5% of the electricity Avista Corp sold in Washington in 2025.

Rooftop solar on its linesnet metering

5,111 roofs.

Residential net-metered PV: 5,111installations reported for 2025
Capacity: 32.9 MWresidential, net metered
Per 1,000 homes: 20.7installations per 1,000 residential customers

Service territoryEIA-861

9 counties.

AdamsAsotinFerryGrantLincolnPend OreilleSpokaneStevensWhitman

Counties in Washington where Avista Corp reported serving customers in 2025 (9 in all; up to 24 listed).

EIA-8612025Utility 20169

The filing, line by line.

Avista Corp, Washington, residential class, 2025. Price basis: revenue divided by kWh sold, all residential customers.
Measure	Value	Unit
Average price	14.16	¢/kWh
Washington average price	13.11	¢/kWh
Difference from state average	8.0	%
Price change over 5 years	43.2	%
Typical monthly use	916	kWh
Typical monthly bill	129.76	US$
Residential customers	247,159	accounts
Share of WA residential customers	7.3	%
Size rank in WA	4 of 38	by customers
Price rank, investor owned peers	1 of 3	1 = lowest

Rate plans on fileOpenEI URDB

5 active plans.

Time-of-use: 0more than one energy period within a month
Seasonal only: 0price changes by month, not by hour
Median fixed charge: $30US dollars per month

Active residential plans: not ended, started within the last 5 years, latest version of each plan name. Time-of-use means more than one energy period within a single month; plans whose price changes only by season are counted as seasonal.

Washington: state average, five-year steps and every provider