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

About 44.4¢ a month, assuming 9 W, 5 hours a day, 365 days a year at 32.41¢/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?

Maine has the 3rd most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $3.01 a year.

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Cost to run an LED bulb in Maine (July 2026 rates)

At 32.41¢ per kilowatt-hour — Maine's average residential price in July 2026 — running an LED bulb costs $5.32 a year. That is 77% more than the national average of $3.01. Maine's residential rate is up 15.8% from July 2025, which moves this appliance from $4.60 to $5.32 a year.

Per hour: 0.3¢
Per day of use: 1.5¢
Per month: 44.4¢
Per year: $5.32

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 Maine compares

Maine pays 32.41¢/kWh, the 3rd most expensive residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $2.32 more 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
New York	29.90¢	40.9¢	$4.91
Massachusetts	30.49¢	41.7¢	$5.01
Maine	32.41¢	44.4¢	$5.32
California	33.61¢	46.0¢	$5.52
Hawaii	48.00¢	65.7¢	$7.88

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

What else costs about the same in Maine

Clothes iron$5.35 a year in ME String of christmas lights$2.19 a year in ME Smart speaker$8.52 a year in ME

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 Maine?: About 44.4¢ a month, assuming 9 W, 5 hours a day, 365 days a year at 32.41¢/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?: Maine has the 3rd most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $3.01 a year.