Duke Energy Florida is an investor-owned utility serving about 1,819,962 homes in Florida. Here's what its rates and export rules mean for solar: for a typical customer, solar is worth it.
Net metering (FL PSC Rule 25-6.065): monthly kWh netting at full retail; excess kWh carried forward as credit; unused credit cashed out annually at the utility's COG-1 as-available avoided energy cost
Uses the utility's average price; time-of-use plans can change this, so pick your plan in the calculator.
Current residential rate plans
Rates we verified from Duke Energy Florida's tariff documents. Prices are per kWh including the main riders where noted; check your bill for the plan you're on.
RS-1: Residential Service
Plan for solar customers. Effective 2026-09-01. Fixed charge $14.43/month.
How much does electricity cost with Duke Energy Florida?
Residential customers paid an average of 18.4¢ per kWh in 2025 (EIA), about 18.6¢ adjusted to 2026. The typical home uses 1,009 kWh a month, a bill of about $187.
Is solar worth it with Duke Energy Florida?
For a typical customer, solar is worth it: a 8.5 kW system costing about $20,075 pays back in about 8.7 years, with $51,615 net over 25 years.
How many Duke Energy Florida customers have solar?
About 103,861 homes had net-metered solar at the end of 2025, roughly 5.7% of residential customers (EIA-861).
Legal name: Duke Energy Florida, LLC (EIA ID 6455). Data: EIA-861 2025 and monthly data through 2026, state policy research October 2026, utility tariff sheets.