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

About 22.9¢ a month, assuming 9 W, 5 hours a day, 365 days a year at 16.73¢/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?

Indiana has the 23rd most expensive 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 Indiana (July 2026 rates)

At 16.73¢ per kilowatt-hour — Indiana's average residential price in July 2026 — running an LED bulb costs $2.75 a year. That is 9% less than the national average of $3.01. Indiana's residential rate is up 3.4% from July 2025, which moves this appliance from $2.66 to $2.75 a year.

Per hour: 0.2¢
Per day of use: 0.8¢
Per month: 22.9¢
Per year: $2.75

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 Indiana compares

Indiana pays 16.73¢/kWh, the 23rd most expensive residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to 26.0¢ less a year than the typical U.S. household pays for the same use. Running the same LED bulb costs $2.09 a year in Louisiana and $7.88 in Hawaii, so where you live changes this bill by $5.79 a year.

State	Rate	Per month	Per year
Georgia	16.27¢	22.3¢	$2.67
Alabama	16.40¢	22.4¢	$2.69
Indiana	16.73¢	22.9¢	$2.75
Colorado	17.00¢	23.3¢	$2.79
Minnesota	17.45¢	23.9¢	$2.87

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

What else costs about the same in Indiana

Clothes iron$2.76 a year in IN String of christmas lights$1.13 a year in IN Smart speaker$4.40 a year in IN

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 Indiana?: About 22.9¢ a month, assuming 9 W, 5 hours a day, 365 days a year at 16.73¢/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?: Indiana has the 23rd most expensive average residential rate in the country, so this appliance costs less here than the U.S. average of $3.01 a year.