Washington Island El Coop, Inc
Cooperative electric utility · Wisconsin · #2,434 of 3,199 U.S. utilities by customers · EIA utility #20153
Washington Island El Coop, Inc is a cooperative electric utility serving 1,115 customers in Wisconsin. In 2025 it sold 9.8 gigawatt-hours of electricity for $1.65M in revenue, an average realized rate of 16.85¢ per kWh across all customer classes and — per kWh for residential customers. Its reported service territory covers 1 counties.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Total | 1,115 | 9.8 | $1.65M | 16.85¢ |
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 (— kWh/month).
This utility files the EIA-861S short form, which reports totals only - no breakdown by customer class is published for it.
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 1,086 | 9.2 | $1.37M | — |
| 2022 | 1,090 | 9.9 | $1.54M | — |
| 2023 | 1,108 | 9.4 | $1.50M | — |
| 2024 | 1,112 | 10.1 | $1.54M | — |
| 2025 | 1,115 | 9.8 | $1.65M | — |
Meters & rooftop solar (2025)
Smart (AMI) meters: 0.0% of 1,112 meters
Counties served
Door, WI
Other large utilities in Wisconsin
- Wisconsin Electric Power Co - 1,179,163 customers, residential 20.53¢
- Wisconsin Power & Light Co - 505,706 customers, residential 18.47¢
- Wisconsin Public Service Corp - 472,199 customers, residential 17.20¢
- Northern States Power Co - 273,992 customers, residential 15.55¢
- Madison Gas & Electric Co - 168,439 customers, residential 21.11¢
- Adams-Columbia Electric Coop - 39,826 customers, residential 18.98¢
- Polk-Burnett Electric Coop - 22,408 customers, residential 15.96¢
- Riverland Energy Cooperative - 20,219 customers, residential 16.19¢
All Wisconsin utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #20153 in the EIA frame.