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How Much Does It Cost to Run a Holiday String Lights in North Dakota? (2026)
LED string lights use around 0.07 watts per bulb, so a 300 bulb string draws about 20 watts. Old incandescent strings use 10 to 20 times more for the same length.
A typical holiday string lights (20 W) costs $0.003 per hour, or about $0.50 per month at 6 hours a day in North Dakota. Cheap to run
| Wattage | Per hour | Per day | Per month | Per year |
|---|---|---|---|---|
| Low (5 W) | $0.001 | $0.004 | $0.13 | $1.53 |
| Typical (20 W) | $0.003 | $0.017 | $0.50 | $6.13 |
| High (100 W) | $0.014 | $0.084 | $2.52 | $30.66 |
Formula: watts ÷ 1000 × hours × price per kWh. Typical use is 6 h/day ≈ 44 kWh per year.
One day of a holiday string lights (0.48 kWh) is the same electricity as
- 2.7km in an electric car
- 4.8hours of TV
- 11hours of a laptop
- 53hours of an LED bulb
In North Dakota, with electricity at $0.14 per kWh (source: EIA Table 5.6.A, 2026-06), a typical holiday string lights costs $0.003 per hour and about $6.13 per year at 6 hours a day. That is about 22% less than the national average for the US ($0.65 per month), because electricity in North Dakota costs $0.14 per kWh against $0.18 nationally. Each $1.00 of electricity buys roughly 357.1 hours of use.
How to lower the cost of running a holiday string lights
- Replace incandescent strings with LED. The payback is usually a single season.
- Use an outdoor timer so lights run 5 to 6 hours rather than all night.
- Fewer, brighter strings often look better and cost less than many dim ones.
Frequently asked questions
How much do Christmas lights cost to run?
A typical LED display of 1,000 bulbs on for 6 hours uses about 0.4 kWh a day. Incandescent would use 5 to 8 kWh.
Do LED string lights use much electricity?
No. Even large displays cost a few dollars or pounds per season.
Is it safe to leave string lights on all night?
LEDs run cool, but a timer saves electricity and reduces risk.
Cost by region
US states
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- District of Columbia
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming