Avista Utilities serves customers in Idaho. This guide covers current rates, billing structure, common charges, and how to verify your bill is accurate.
Quick Facts
Service Area: Eastern Washington, northern Idaho, and parts of southern and eastern Oregon.
Rate Range: 7¢–12¢/kWh
Standard Rate: ~13.4¢/kWh (Residential Service (Schedule 1))
Off-Peak Rate: 15¢/kWh (Time-of-Use Pilot Program)
Rates Updated: February 2026
Current Rates
Avista Utilities residential rates range from 7¢–12¢/kWh depending on your rate plan. The standard Residential Service (Schedule 1) plan has an effective rate of ~13.4¢/kWh. Time-of-use customers on the Time-of-Use Pilot Program plan pay 15¢/kWh off-peak and 18.8¢/kWh during peak hours. Rates last updated February 2026.
Understanding Your Bill
Your Avista Utilities bill includes several components: base charges, energy charges, fuel adjustments, taxes, and fees.
What is the average Avista Utilities rate per kWh?
Avista Utilities residential rates vary by rate plan, usage tier, and season. Your effective rate includes base charges, energy charges, fuel adjustments, and various fees. Use our free Sanity Check tool to see how your rate compares to other Avista Utilities customers.
Why is my Avista Utilities bill so high?
High Avista Utilities bills are often caused by seasonal usage changes, rate increases, estimated meter readings, or being on a suboptimal rate plan. Upload your bill to Utility Check for an independent verification of every line item.
How can I verify my Avista Utilities bill is correct?
Upload your Avista Utilities bill to Utility Check for independent, line-by-line verification. We recalculate your charges against Avista Utilities's published tariffs, check your rate plan, and flag any discrepancies.
Does Utility Check support Avista Utilities?
Yes. Utility Check fully supports Avista Utilities bill verification. We analyze your rate plan, verify billing math, check fuel adjustments, and compare your effective rate to published tariffs.
Is my Avista Utilities bill wrong?
It's hard to tell just by looking at the total. Billing errors, wrong rate plans, and incorrect meter reads happen more often than most people realize. Upload your Avista Utilities bill to Utility Check — we compare every line item against the published tariff and tell you exactly whether anything is off.
How do I know if I'm being overcharged by Avista Utilities?
Start with our free sanity check at utilitycheck.co/sanity-check to compare your per-kWh rate to the Idaho average. If your rate seems high, a full bill verification ($19.99) will identify whether you're on the wrong rate plan, being charged incorrect fees, or if your usage pattern is driving up costs.
Can someone check my Avista Utilities bill for me?
Yes — that's exactly what Utility Check does. Upload your bill and we independently verify every charge against Avista Utilities's current tariff. You'll get a detailed report with findings and step-by-step next steps if any issues are found, or confirmation that your bill is correct.