Utility Board of the City of Key West, F
Municipal electric utility · Florida · #510 of 3,199 U.S. utilities by customers · EIA utility #10226
Utility Board of the City of Key West, F is a municipal electric utility serving 32,140 customers in Florida. In 2025 it sold 737 gigawatt-hours of electricity for $114.42M in revenue, an average realized rate of 15.53¢ per kWh across all customer classes and 15.07¢ per kWh for residential customers. Its reported service territory covers 1 counties. EIA records its activities as: transmission, buying transmission, distribution.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 27,460 | 389 | $58.68M | 15.07¢ | |
| Commercial | 4,680 | 347 | $55.74M | 16.05¢ | |
| Total | 32,140 | 737 | $114.42M | 15.53¢ |
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 (1,182 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 31,322 | 727 | $99.23M | 13.73¢ |
| 2022 | 31,542 | 740 | $136.03M | 18.02¢ |
| 2023 | 31,780 | 757 | $112.90M | 14.44¢ |
| 2024 | 31,873 | 741 | $107.37M | 14.03¢ |
| 2025 | 32,140 | 737 | $114.42M | 15.07¢ |
Reliability (2025)
Average outage time (SAIDI): 48 minutes per customer per year
Average outages (SAIFI): 1.50 per customer
Average restoration time (CAIDI): 32 minutes
As reported for Florida under the IEEE standard, with major event days included where the standard reports them. Lower is better; see the reliability rankings.
Energy supply (2025)
Net generation: -1.9 GWh
Wholesale power purchased: 782 GWh
Winter peak demand: 128 MW
Energy losses: 5.0% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 0.0% of 32,140 meters
Customer-sited generation (net metering): 739 installations, 5.9 MW of capacity
Counties served
Monroe, FL
Other large utilities in Florida
- Florida Power & Light Co - 6,013,740 customers, residential 14.62¢
- Duke Energy Florida, LLC - 2,037,985 customers, residential 18.36¢
- Tampa Electric Co - 861,413 customers, residential 17.32¢
- JEA - 540,950 customers, residential 13.84¢
- Orlando Utilities Comm - 288,492 customers, residential 13.22¢
- Lee County Electric Coop, Inc - (FL) - 267,019 customers, residential 14.20¢
- Sumter Electric Coop, Inc - 264,730 customers, residential 14.98¢
- Withlacoochee River Elec Coop - 255,506 customers, residential 13.70¢
All Florida utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #10226 in the EIA frame.