How much does an incandescent bulb cost per month in New Hampshire?

About $2.43 a month, assuming 60 W, 5 hours a day, 365 days a year at 26.60¢/kWh.

How many kilowatt-hours does an incandescent bulb use?

Roughly 110 kWh a year under these assumptions, or 0.06 kWh for every hour it runs.

Is that expensive compared with other states?

New Hampshire has the 8th most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $20.05 a year.

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Cost to run an incandescent bulb in New Hampshire (July 2026 rates)

At 26.60¢ per kilowatt-hour — New Hampshire's average residential price in July 2026 — running an incandescent bulb costs $29.13 a year. That is 45% more than the national average of $20.05. New Hampshire's residential rate is up 16.7% from July 2025, which moves this appliance from $24.96 to $29.13 a year.

Per hour: 1.6¢
Per day of use: 8.0¢
Per month: $2.43
Per year: $29.13

Assumption: 60 W, 5 hours a day, 365 days a year — 110 kWh a year. A 60 W bulb producing roughly the same 800 lumens as a 9 W LED. Use the calculator to swap in the numbers from your own model.

How New Hampshire compares

New Hampshire pays 26.60¢/kWh, the 8th most expensive residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $9.08 more a year than the typical U.S. household pays for the same use. Running the same incandescent bulb costs $13.93 a year in Louisiana and $52.56 in Hawaii, so where you live changes this bill by $38.63 a year.

State	Rate	Per month	Per year
New Jersey	25.19¢	$2.30	$27.58
District of Columbia	25.21¢	$2.30	$27.60
New Hampshire	26.60¢	$2.43	$29.13
Rhode Island	28.29¢	$2.58	$30.98
Alaska	28.83¢	$2.63	$31.57

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

What else costs about the same in New Hampshire

Microwave$29.13 a year in NH Electric kettle$29.13 a year in NH Box fan$29.93 a year in NH

Cutting the number down

The comparison is the point: identical light, nearly seven times the electricity, for the whole life of the bulb.
Replacing the handful of bulbs that burn the most hours captures most of the available saving immediately.

Questions

How much does an incandescent bulb cost per month in New Hampshire?: About $2.43 a month, assuming 60 W, 5 hours a day, 365 days a year at 26.60¢/kWh.
How many kilowatt-hours does an incandescent bulb use?: Roughly 110 kWh a year under these assumptions, or 0.06 kWh for every hour it runs.
Is that expensive compared with other states?: New Hampshire has the 8th most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $20.05 a year.