Electricity rates in 33040 — Key West, FL
Homes in ZIP 33040 pay about 12.9¢ per kWh (Florida Keys El Coop Assn, Inc., 2024 average). The Florida average is 15.0¢ and the U.S. average 18.2¢ (Aug 2026).
What a month of electricity costs
Monthly cost at the average price of 12.9¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.
Where ZIP 33040 is
Outlined: ZIP code area · scroll or pinch to zoomUtilities serving 33040
| Utility | Home price | Avg. bill | Customers in FL |
|---|---|---|---|
| Florida Keys El Coop Assn, Inc. Cooperative | 12.9¢ 2024 | $174 | 28,815 |
| Utility Board of the City of Key West, F Municipal | 14.0¢ 2024 | $169 | 27,264 |
| Florida Power & Light Co. Investor Owned · serves Monroe County | 14.8¢ Jan–Aug 2026 | $155 | 5,236,277 |
| Lee County Electric Coop, Inc. (FL) Cooperative · serves Monroe County | 13.5¢ 2024 | $159 | 231,142 |
Utilities are matched to this ZIP code by NREL’s ZIP–utility table and the EIA service-territory list for Monroe County; county matches may serve only part of the area. Prices are each utility’s average residential revenue per kWh.
Florida price trend
Hover or tap the chart for exact monthly values. Source: EIA-861M (monthly, latest months preliminary); forecast: EIA Short-Term Energy Outlook (October 2026) for the South Atlantic region, which includes Delaware, District of Columbia, Florida, Georgia, Maryland, North Carolina, South Carolina, Virginia, West Virginia.
Averages, not a quote. Prices here are what each utility’s residential customers paid on average (revenue ÷ kWh sold, fixed charges included), as reported to the U.S. Energy Information Administration. Your own rate depends on your plan, season and usage — check your bill or your utility’s tariff.
Questions about 33040
How much does electricity cost in 33040?
About 12.9¢ per kWh for homes (Florida Keys El Coop Assn, Inc., 2024 average, EIA). At 900 kWh a month that is roughly $116.
Who is the electric utility for 33040?
Florida Keys El Coop Assn, Inc., with about 28,815 residential customers in Florida; 3 other utilities also serve parts of the area.
Is electricity in FL getting more expensive?
The Florida residential average was 15.0¢ per kWh in August 2026, down 2.2% from a year earlier; the U.S. average was 18.2¢.