Elmhurst Mutual Power & Light Co
Cooperative electric utility · Washington · #846 of 3,199 U.S. utilities by customers · EIA utility #5832
Elmhurst Mutual Power & Light Co is a cooperative electric utility serving 16,331 customers in Washington. In 2025 it sold 283 gigawatt-hours of electricity for $24.54M in revenue, an average realized rate of 8.68¢ per kWh across all customer classes and 8.68¢ per kWh for residential customers. Its reported service territory covers 1 counties. EIA records its activities as: buying transmission, distribution.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 15,538 | 234 | $20.33M | 8.68¢ | |
| Commercial | 793 | 48.5 | $4.21M | 8.68¢ | |
| Total | 16,331 | 283 | $24.54M | 8.68¢ |
Average realized rate = revenue divided by sales as reported on EIA Form 861. It blends fixed charges, demand charges and riders into one per-kWh figure; it is not the utility's tariff rate. Estimated residential bill assumes the average residential customer's actual 2025 usage (1,256 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 15,741 | 287 | $19.53M | 6.83¢ |
| 2022 | 15,807 | 286 | $19.83M | 6.94¢ |
| 2023 | 16,037 | 280 | $21.14M | 7.54¢ |
| 2024 | 16,195 | 275 | $22.84M | 8.32¢ |
| 2025 | 16,331 | 283 | $24.54M | 8.68¢ |
Energy supply (2025)
Net generation: — GWh
Wholesale power purchased: 289 GWh
Winter peak demand: 76 MW
Energy losses: 2.3% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 27.8% of 16,336 meters
Customer-sited generation (net metering): 95 installations, 0.8 MW of capacity
Counties served
Pierce, WA
Other large utilities in Washington
- Puget Sound Energy Inc - 1,251,330 customers, residential 17.01¢
- City of Seattle - (WA) - 525,040 customers, residential 14.74¢
- Avista Corp - 424,411 customers, residential 13.37¢
- PUD No 1 of Snohomish County - (WA) - 385,159 customers, residential 12.08¢
- PUD No 1 of Clark County - (WA) - 243,809 customers, residential 10.63¢
- City of Tacoma - (WA) - 200,438 customers, residential 11.45¢
- PUD No 1 of Benton County - 58,679 customers, residential 9.13¢
- PUD No 2 of Grant County - (WA) - 56,753 customers, residential 6.17¢
All Washington utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #5832 in the EIA frame.