How much does a string of Christmas lights cost per month in North Dakota?

About 7.9¢ a month, assuming 25 W, 6 hours a day, 45 days a year at 14.12¢/kWh.

How many kilowatt-hours does a string of Christmas lights use?

Roughly 7 kWh a year under these assumptions, or 0.03 kWh for every hour it runs.

Is that expensive compared with other states?

North Dakota has the 6th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $1.24 a year.

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Cost to run a string of Christmas lights in North Dakota (June 2026 rates)

At 14.12¢ per kilowatt-hour — North Dakota's average residential price in June 2026 — running a string of Christmas lights costs 95.3¢ a year. That is 23% less than the national average of $1.24. North Dakota's residential rate is up 3.0% from June 2025, which moves this appliance from 92.5¢ to 95.3¢ a year.

Per hour: 0.4¢
Per day of use: 2.1¢
Per month: 7.9¢
Per year: 95.3¢

Assumption: 25 W, 6 hours a day, 45 days a year — 7 kWh a year. Per 100-count LED string. A 100-count incandescent string draws roughly 40 W, and older C9 bulbs far more. Use the calculator to swap in the numbers from your own model.

How North Dakota compares

North Dakota pays 14.12¢/kWh, the 6th cheapest residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to 28.5¢ less a year than the typical U.S. household pays for the same use. Running the same string of Christmas lights costs 88.5¢ a year in Nevada and $3.56 in Hawaii, so where you live changes this bill by $2.67 a year.

State	Rate	Per month	Per year
Louisiana	13.49¢	7.6¢	91.1¢
Tennessee	14.07¢	7.9¢	95.0¢
North Dakota	14.12¢	7.9¢	95.3¢
Arkansas	14.12¢	7.9¢	95.3¢
Kentucky	14.26¢	8.0¢	96.3¢

States ranked by average residential price, cheapest first. See all 51 states for a string of Christmas lights.

What else costs about the same in North Dakota

Led bulb$2.32 a year in ND Clothes iron$2.33 a year in ND Smart speaker$3.71 a year in ND

Cutting the number down

A timer that runs the display six hours instead of twelve halves the season's cost with nobody noticing.
Incandescent strings are where holiday bills come from; LED strings of the same length are a fraction of the draw.

Questions

How much does a string of Christmas lights cost per month in North Dakota?: About 7.9¢ a month, assuming 25 W, 6 hours a day, 45 days a year at 14.12¢/kWh.
How many kilowatt-hours does a string of Christmas lights use?: Roughly 7 kWh a year under these assumptions, or 0.03 kWh for every hour it runs.
Is that expensive compared with other states?: North Dakota has the 6th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $1.24 a year.