Electricity rates in 99337 — Kennewick, WA
Homes in ZIP 99337 pay about 15.1¢ per kWh (PacifiCorp, 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 15.1¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.
Where ZIP 99337 is
Outlined: ZIP code area · scroll or pinch to zoomUtilities serving 99337
| Utility | Home price | Avg. bill | Customers in WA |
|---|---|---|---|
| PacifiCorp Investor Owned | 15.1¢ Jan–Aug 2026 | $131 | 114,453 |
| PUD No 1 of Benton County Political Subdivision | 8.8¢ 2024 | $107 | 50,072 |
| PUD No 1 of Franklin County Political Subdivision | 9.7¢ 2024 | $117 | 27,388 |
| Benton Rural Electric Assn Cooperative | 9.3¢ 2024 | $132 | 13,422 |
| Columbia Rural Elec Assn, Inc. Cooperative | 14.2¢ 2024 | $163 | 4,339 |
| City of Richland (WA) Municipal · serves Benton County | 9.8¢ 2024 | $122 | 25,687 |
| PUD No 1 of Klickitat County Political Subdivision · serves Benton County | 12.1¢ 2024 | $138 | 11,917 |
Utilities are matched to this ZIP code by NREL’s ZIP–utility table and the EIA service-territory list for Benton 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 99337
How much does electricity cost in 99337?
About 15.1¢ per kWh for homes (PacifiCorp, Jan–Aug 2026, EIA). At 900 kWh a month that is roughly $136.
Who is the electric utility for 99337?
PacifiCorp, with about 114,453 residential customers in Washington; 6 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¢.