WattFigure

HomeAppliances › String of christmas lights

How much does it cost to run a string of Christmas lights?

At the U.S. average residential price of 18.34¢ per kilowatt-hour (June 2026), running a string of Christmas lights costs about $1.24 a year. Your own bill depends on your state's rate, which ranges from 13.11¢ to 52.72¢ across the country.

Per hour
0.5¢
Per day of use
2.8¢
Per month
10.3¢
Per year
$1.24

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.

Cost by state

Same appliance, same usage, 51 different prices. Sorted cheapest first.

StateRatePer monthPer year
Nevada13.11¢7.4¢88.5¢
Nebraska13.25¢7.5¢89.4¢
Utah13.37¢7.5¢90.2¢
Louisiana13.49¢7.6¢91.1¢
Tennessee14.07¢7.9¢95.0¢
North Dakota14.12¢7.9¢95.3¢
Arkansas14.12¢7.9¢95.3¢
Kentucky14.26¢8.0¢96.3¢
Oklahoma14.33¢8.1¢96.7¢
Idaho14.37¢8.1¢97.0¢
North Carolina14.74¢8.3¢99.5¢
Mississippi14.88¢8.4¢$1.00
Washington14.91¢8.4¢$1.01
New Mexico15.06¢8.5¢$1.02
Florida15.10¢8.5¢$1.02
Montana15.14¢8.5¢$1.02
Arizona15.18¢8.5¢$1.02
Wyoming15.24¢8.6¢$1.03
South Dakota15.36¢8.6¢$1.04
West Virginia15.45¢8.7¢$1.04
South Carolina15.55¢8.7¢$1.05
Kansas15.71¢8.8¢$1.06
Iowa15.93¢9.0¢$1.08
Texas15.94¢9.0¢$1.08
Missouri16.22¢9.1¢$1.09
Oregon16.32¢9.2¢$1.10
Georgia16.36¢9.2¢$1.10
Alabama16.40¢9.2¢$1.11
Colorado17.13¢9.6¢$1.16
Virginia17.22¢9.7¢$1.16
Indiana17.51¢9.8¢$1.18
Minnesota17.52¢9.9¢$1.18
Ohio19.19¢10.8¢$1.30
Delaware19.29¢10.9¢$1.30
Wisconsin19.56¢11.0¢$1.32
Illinois19.89¢11.2¢$1.34
Pennsylvania21.73¢12.2¢$1.47
Maryland21.84¢12.3¢$1.47
Michigan22.99¢12.9¢$1.55
Connecticut24.32¢13.7¢$1.64
District of Columbia24.39¢13.7¢$1.65
Vermont24.44¢13.7¢$1.65
New Jersey24.95¢14.0¢$1.68
New Hampshire27.01¢15.2¢$1.82
Alaska28.21¢15.9¢$1.90
Rhode Island29.23¢16.4¢$1.97
New York29.49¢16.6¢$1.99
Maine29.59¢16.6¢$2.00
Massachusetts29.61¢16.7¢$2.00
California34.74¢19.5¢$2.34
Hawaii52.72¢29.7¢$3.56

Cutting the number down

Questions

How many watts does a string of Christmas lights use?
About 25 W while running.
How much does a string of Christmas lights cost per month?
About 10.3¢ a month at the U.S. average rate, or $1.24 a year.
Where is it cheapest to run?
Nevada, at 88.5¢ a year, versus $3.56 in Hawaii — a spread of $2.67.