Washington · Cooperative
Elmhurst Mutual Power & Light Co
8.68¢ per kWh, bundled, EIA-861 2025. Average bill $109.03 at 1,256.1 kWh a month, across 15,538 customers on that row.
Washington averaged 13.17¢/kWh and $124.41 a month. The United States averaged 17.23¢/kWh and $150.68. State and national figures come from EIA's Average Bill file.
Revenue divided by sales, EIA-861 Sales to Ultimate Customers, 2025, released October 7, 2026. Texas wires utilities come from the Delivery Companies file. The price and bill use bundled service. Customer count: 15,538, the largest residential count across service types.
Estimate a bill
The figure below is this utility's 2025 EIA residential average.
2025 EIA average
$86.80
8.68¢/kWh × 1,000 kWh. Bundled residential average, EIA-861 2025. The customer charge is already folded into this average, so it stands beside a tariff total rather than being added to it.
Annual history
| Year | ¢/kWh | Avg. bill | Avg. kWh | Customers |
|---|---|---|---|---|
| 2015 | 6.61¢ | $83.43 | 1,262.8 | 13,887 |
| 2016 | 6.90¢ | $87.01 | 1,260.3 | 14,175 |
| 2017 | 7.00¢ | $96.04 | 1,371.8 | 14,433 |
| 2018 | 7.12¢ | $92.21 | 1,294.6 | 14,793 |
| 2019 | 7.21¢ | $94.02 | 1,304.2 | 14,842 |
| 2020 | 7.33¢ | $98.11 | 1,337.7 | 14,885 |
| 2021 | 6.83¢ | $95.38 | 1,396.8 | 15,015 |
| 2022 | 6.94¢ | $90.94 | 1,310.4 | 15,043 |
| 2023 | 7.54¢ | $95.55 | 1,267.5 | 15,263 |
| 2024 | 8.32¢ | $102.32 | 1,230.4 | 15,410 |
| 2025 | 8.68¢ | $109.03 | 1,256.1 | 15,538 |
EIA-861, 2015–2025, using the same service type as the 2025 figure. A blank year means that service was not in the file.
Counties
Pierce.
EIA-861 Service Territory, 2025. A listed county is the county EIA recorded. It does not mean every address in the county is served. Open this utility in the bill calculator · Rate history tool