Electricity rates in 99030 — Rockford, WA
Homes in ZIP 99030 pay about 14.8¢ per kWh (Avista Corp, Jan–Aug 2026). 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 14.8¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.
Where ZIP 99030 is
Outlined: ZIP code area · scroll or pinch to zoomUtilities serving 99030
| Utility | Home price | Avg. bill | Customers in WA |
|---|---|---|---|
| Avista Corp Investor Owned | 14.8¢ Jan–Aug 2026 | $107 | 246,055 |
| Inland Power & Light Company Cooperative | 9.0¢ 2024 | $128 | 41,684 |
| Kootenai Electric Cooperative Cooperative | 13.6¢ Jan–Aug 2026 | $234 | 92 |
| 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 |
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 99030
How much does electricity cost in 99030?
About 14.8¢ per kWh for homes (Avista Corp, Jan–Aug 2026, EIA). At 900 kWh a month that is roughly $133.
Who is the electric utility for 99030?
Avista Corp, with about 246,055 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¢.