1 Residential Service
Avista Corp · Tiered · filed 2026
What this tariff charges
| Fixed charge | $10.00 per month |
|---|---|
| Minimum charge | $10.00 per month |
| Structure | Tiered |
| Filed | 2026-01-01 |
Energy rates
The charged price is the base rate plus its adjustment. Adjustments carry fuel and rider costs and are frequently most of the bill, so a comparison built on the base rate alone is meaningless.
Energy charge
| Tier | Up to | Base | Adjustment | Charged $/kWh |
|---|---|---|---|---|
| 1 | 800.0 kWh | 0.10322 | 0.02340 | 0.12662 |
| 2 | 1500.0 kWh | 0.12127 | 0.02340 | 0.14467 |
| 3 | no limit | 0.14349 | 0.02340 | 0.16689 |
What it costs at different usage levels
| kWh per month | Annual total | Effective $/kWh |
|---|---|---|
| 500 | $879.72 | $0.1466 |
| 1000 | $1,682.76 | $0.1402 |
| 2000 | $3,552.12 | $0.1480 |
Effective rate includes the fixed charge, which is why it falls as usage rises.
Rooftop solar on this tariff
A 7 kW system costing $21,000 before incentives would save between $708 and $1,334 a year on this tariff, paying back in 16–30 years . No federal tax credit is included: Section 25D ended on December 31, 2025.
no sell rate filed, but this utility reports residential net metering - the range spans no export credit to full retail netting. Compare across this state →
The utility's own description
To service for domestic purposes in each individual residence, apartment, mobile home, or other living unit when all such service used on the premises is supplied through a single meter. Only one meter per residence will be served under this Schedule.
URDB rate id 6998d19f6f6b18aad80b450d · utility source document · all Avista Corp tariffs