Electricity rates in 99116 — Coulee Dam, WA
Homes in ZIP 99116 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 99116 is
Outlined: ZIP code area · scroll or pinch to zoomUtilities serving 99116
| Utility | Home price | Avg. bill | Customers in WA |
|---|---|---|---|
| Inland Power & Light Company Cooperative | 9.0¢ 2024 | $128 | 41,684 |
| PUD No 1 of Douglas County Political Subdivision | 3.1¢ 2024 | $72 | 16,667 |
| PUD No 1 of Chelan County Political Subdivision · serves Okanogan County | 3.7¢ 2024 | $65 | 42,120 |
| PUD No 1 of Okanogan County Political Subdivision · serves Okanogan County | 10.2¢ 2024 | $140 | 18,133 |
| Okanogan County Elec Coop, Inc. Cooperative · serves Okanogan County | 10.9¢ 2024 | $147 | 4,169 |
| PUD No 1 of Ferry County Political Subdivision · serves Okanogan County | 9.7¢ 2024 | $176 | 3,801 |
| Nespelem Valley Elec Coop, Inc. Cooperative · serves Okanogan County | 9.5¢ 2024 | $331 | 1,547 |
| City of Coulee Dam (WA) Municipal · serves Okanogan County | 7.0¢ 2024 | $160 | 602 |
Utilities are matched to this ZIP code by NREL’s ZIP–utility table and the EIA service-territory list for Okanogan 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 99116
How much does electricity cost in 99116?
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 99116?
Inland Power & Light Company, with about 41,684 residential customers in Washington; 7 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¢.