Electricity rates in 99003 — Chattaroy, WA
Homes in ZIP 99003 pay about 9.0¢ per kWh (Inland Power & Light Company, 2024 average). The Washington average is 14.6¢ and the U.S. average 18.2¢ (Aug 2026).
What a month of electricity costs
Monthly cost at the average price of 9.0¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.
Where ZIP 99003 is
Outlined: ZIP code area · scroll or pinch to zoomUtilities serving 99003
| Utility | Home price | Avg. bill | Customers in WA |
|---|---|---|---|
| Inland Power & Light Company Cooperative | 9.0¢ 2024 | $128 | 41,684 |
| Avista Corp Investor Owned · serves Spokane County | 14.8¢ Jan–Aug 2026 | $107 | 246,055 |
| Vera Irrigation District #15 Political Subdivision · serves Spokane County | 9.2¢ 2024 | $100 | 12,171 |
| Modern Electric Water Company Cooperative · serves Spokane County | 7.4¢ 2024 | $69 | 9,181 |
| City of Cheney (WA) Municipal · serves Spokane County | 7.5¢ 2024 | $137 | 6,216 |
| Kootenai Electric Cooperative Cooperative · serves Spokane County | 13.6¢ Jan–Aug 2026 | $234 | 92 |
Utilities are matched to this ZIP code by NREL’s ZIP–utility table and the EIA service-territory list for Spokane County; county matches may serve only part of the area. Prices are each utility’s average residential revenue per kWh.
Washington price trend
Hover or tap the chart for exact monthly values. Source: EIA-861M (monthly, latest months preliminary); forecast: EIA Short-Term Energy Outlook (October 2026) for the Pacific region, which includes Alaska, California, Hawaii, Oregon, Washington.
Averages, not a quote. Prices here are what each utility’s residential customers paid on average (revenue ÷ kWh sold, fixed charges included), as reported to the U.S. Energy Information Administration. Your own rate depends on your plan, season and usage — check your bill or your utility’s tariff.
Questions about 99003
How much does electricity cost in 99003?
About 9.0¢ per kWh for homes (Inland Power & Light Company, 2024 average, EIA). At 900 kWh a month that is roughly $81.
Who is the electric utility for 99003?
Inland Power & Light Company, with about 41,684 residential customers in Washington; 5 other utilities also serve parts of the area.
Is electricity in WA getting more expensive?
The Washington residential average was 14.6¢ per kWh in August 2026, up 7.2% from a year earlier; the U.S. average was 18.2¢.