Electricity rates — Avista Corp

What a typical bill costs

At 1,000 kWh a month one plan here is open to any household — 1 Residential Service, at $1,682.76 a year. There is no cheaper option to move to, only the restricted schedules priced below.

Effective rates, bill divided by kilowatt-hours, come to 14.0¢ per kWh at that usage.

How it compares

Among the 109 utilities indexed, Avista Corp's cheapest open plan is the 52nd-highest, 2% more than their median of $1,649.16. It sits between Middle Tennessee E M C ($1,680.72) and Virginia Electric & Power Co ($1,708.36).

Its fixed charge, $10.00 a month on 1 Residential Service, is lower than on the cheapest plan of 85 of the other 108 utilities.

None of Avista Corp's plans open to any household has a tiered step or a seasonal price in this data: a kWh costs the same however much is used and whatever the month.

In the guides: What a bill costs before a single kilowatt-hour

How the answer changes with usage

1 Residential Service is cheapest at every level tested — $879.72 a year at 500 kWh a month, $3,552.12 at 2,000 kWh.

Cheapest 5 plans at 1,000 kWh a month

1 Residential Service — $1,682.76 a year, 14.0¢ per kWh effective, tiered. It carries a $10.00 monthly standing charge. In effect since January 2026.

12 Residential and Farm General Service - Three Phase — $2,134.56 a year, 17.8¢ per kWh effective, tiered and demand-charged. It carries a $30.00 monthly standing charge. In effect since January 2026. Restricted: farm or irrigation service.

12 Residential and Farm General Service — $2,134.68 a year, 17.8¢ per kWh effective, tiered and demand-charged. It carries a $30.00 monthly standing charge. In effect since January 2026. Restricted: farm or irrigation service.

22 Residential and Farm Large General Service - Secondary — $11,908.56 a year, 99.2¢ per kWh effective, tiered and demand-charged. It carries a $900.00 monthly standing charge. In effect since January 2026. Restricted: farm or irrigation service.

22 Residential and Farm Large General Service - Primary — $11,934.96 a year, 99.5¢ per kWh effective, tiered and demand-charged. It carries a $900.00 monthly standing charge. In effect since January 2026. Restricted: farm or irrigation service.

How these plans are structured

Of 5 priceable plans: 5 tiered, 4 with demand charges.

Fixed monthly charges run from $10.00 to $900.00.

Who provides these plans

5 of Avista Corp's 5 published residential schedules can be priced. EIA-861 lists it serving homes in more than one state and its URDB record does not say which these schedules are for, so it appears on no state page.