Duke Energy Florida, LLC
Investor Owned electric utility · Florida · #12 of 3,199 U.S. utilities by customers · EIA utility #6455
Duke Energy Florida, LLC is a investor owned electric utility serving 2,037,985 customers in Florida. In 2025 it sold 41,140 gigawatt-hours of electricity for $6.42B in revenue, an average realized rate of 15.61¢ per kWh across all customer classes and 18.36¢ per kWh for residential customers. Its reported service territory covers 32 counties. EIA records its activities as: generation, transmission, buying transmission, distribution, wholesale marketing.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 1,819,962 | 22,032 | $4.05B | 18.36¢ | |
| Commercial | 216,448 | 15,846 | $2.06B | 13.03¢ | |
| Industrial | 1,575 | 3,261 | $311.13M | 9.54¢ | |
| Total | 2,037,985 | 41,140 | $6.42B | 15.61¢ |
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 (1,009 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 1,899,991 | 39,454 | $4.65B | 13.69¢ |
| 2022 | 1,943,962 | 40,512 | $5.42B | 15.51¢ |
| 2023 | 1,968,212 | 40,832 | $6.44B | 18.05¢ |
| 2024 | 2,009,464 | 41,132 | $5.92B | 16.63¢ |
| 2025 | 2,037,985 | 41,140 | $6.42B | 18.36¢ |
Reliability (2025)
Average outage time (SAIDI): 87 minutes per customer per year
Average outages (SAIFI): 0.97 per customer
Average restoration time (CAIDI): 89 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: 43,705 GWh
Wholesale power purchased: 1,497 GWh
Winter peak demand: 8,966 MW
Energy losses: 5.6% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 99.9% of 2,074,414 meters
Customer-sited generation (net metering): 105,006 installations, 1,014.4 MW of capacity
Counties served
Alachua, FLBay, FLBrevard, FLCitrus, FLColumbia, FLDixie, FLFlagler, FLFranklin, FLGilchrist, FLGulf, FLHamilton, FLHernando, FLHighlands, FLHillsborough, FLJefferson, FLLafayette, FLLake, FLLeon, FLLevy, FLMadison, FLMarion, FLOrange, FLOsceola, FLPasco, FLPinellas, FLPolk, FLSeminole, FLSumter, FLSuwannee, FLTaylor, FLVolusia, FLWakulla, FL
Other large utilities in Florida
- Florida Power & Light Co - 6,013,740 customers, residential 14.62¢
- 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¢
- Clay Electric Cooperative, Inc - (FL) - 197,309 customers, residential 14.02¢
All Florida utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #6455 in the EIA frame.