How much does an LED bulb cost per month in Florida?

About 20.7¢ a month, assuming 9 W, 5 hours a day, 365 days a year at 15.10¢/kWh.

How many kilowatt-hours does an LED bulb use?

Roughly 16 kWh a year under these assumptions, or 0.01 kWh for every hour it runs.

Is that expensive compared with other states?

Florida has the 15th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $3.01 a year.

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Cost to run an LED bulb in Florida (June 2026 rates)

At 15.10¢ per kilowatt-hour — Florida's average residential price in June 2026 — running an LED bulb costs $2.48 a year. That is 18% less than the national average of $3.01. Florida's residential rate is down 1.6% from June 2025, which moves this appliance from $2.52 to $2.48 a year.

Per hour: 0.1¢
Per day of use: 0.7¢
Per month: 20.7¢
Per year: $2.48

Assumption: 9 W, 5 hours a day, 365 days a year — 16 kWh a year. A 9 W LED producing about 800 lumens, the equivalent of an old 60 W incandescent. Use the calculator to swap in the numbers from your own model.

How Florida compares

Florida pays 15.10¢/kWh, the 15th cheapest residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to 53.2¢ less a year than the typical U.S. household pays for the same use. Running the same LED bulb costs $2.15 a year in Nevada and $8.66 in Hawaii, so where you live changes this bill by $6.51 a year.

State	Rate	Per month	Per year
Washington	14.91¢	20.4¢	$2.45
New Mexico	15.06¢	20.6¢	$2.47
Florida	15.10¢	20.7¢	$2.48
Montana	15.14¢	20.7¢	$2.49
Arizona	15.18¢	20.8¢	$2.49

States ranked by average residential price, cheapest first. See all 51 states for an LED bulb.

What else costs about the same in Florida

Clothes iron$2.49 a year in FL String of christmas lights$1.02 a year in FL Smart speaker$3.97 a year in FL

Cutting the number down

Per bulb the cost is trivial; a house has 40 of them, and that is the number that matters.
Dimming an LED does cut power draw, though not perfectly in proportion to the light output.

Questions

How much does an LED bulb cost per month in Florida?: About 20.7¢ a month, assuming 9 W, 5 hours a day, 365 days a year at 15.10¢/kWh.
How many kilowatt-hours does an LED bulb use?: Roughly 16 kWh a year under these assumptions, or 0.01 kWh for every hour it runs.
Is that expensive compared with other states?: Florida has the 15th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $3.01 a year.