CutYourElectric

LED strip lights vs. LED string lights: running cost

An LED string lights is cheaper to run: about $5 a year versus $8 for an LED strip lights at typical use and 17.99¢/kWh, a $3 difference.

LED strip lightsLED string lights
Typical watts24 W15 W
Watt range5–72 W2–180 W
Typical use5 hours a day5 hours a day
Energy per year44 kWh27 kWh
Cost per hour0.4¢0.3¢
Cost per day2.2¢1.3¢
Cost per month$0.66$0.41
Cost per year$8$5
Per year in Hawaii (43.51¢)$19$12

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What drives the difference

Ways to cut either cost

Solar string lights

Free to run once installed; works for decorative low-brightness use.

See options on Amazon
Outdoor timer plug

Prevents strings from running all night.

See options on Amazon
Smart plug with timer

Cuts controller standby and enforces off times.

See options on Amazon

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Frequently asked questions

Which costs more to run, an LED strip lights or an LED string lights?

At typical use and the U.S. average rate (17.99¢/kWh), an LED strip lights costs about $8 a year versus $5 for an LED string lights. That's $3 more, or 1.6× as much.

How many watts do LED strip lights and LED string lights use?

An LED strip lights typically draws 24 W (range 5–72 W). An LED string lights draws 15 W (range 2–180 W). Watts alone don't decide cost. Hours of use, cycling and standby matter just as much.

Rates: EIA, 12 months ending 2026-07. Methodology.