# Frequent question: Do LED fairy lights use a lot of electricity?

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## Do fairy lights use much electricity?

Some of the oldest Christmas tree lights cost as much as 20 times as much to run as the newest LED lights. But even the oldest still only cost around 72p per string in electricity for the whole Christmas period, according to calculations from Good Energy.

## Do fairy lights cost much to run?

Incandescent Christmas lights could consume up to 90 per cent more electricity than LEDs and consequently cost considerably more to run. A standard set of incandescent fairy lights will consume 40W per 100 lights, and may cost the average household \$17.79 per 1,000 bulbs through December.

## Are LED fairy lights energy efficient?

LEDs are the most common and adaptable light fitting, and are suitable for replacing dimmable lights and spotlights. LEDs are also more energy-efficient than CFLs. If you replace all the bulbs in your home with LED lights, you could save £30 a year on your electricity bills.

## How much electricity do LED lights use?

Cost Comparison Between LEDs, CFLs, and Incandescent Light Bulbs

LED CFL
Watts per bulb (equiv. 60 watts) 8.5 14
Cost per bulb \$5 \$2
KWh of electricity used over 25,000 hours 212.5 350
Cost of electricity (@ 0.10 per KWh) \$21.25 \$35
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## Do LED string lights use less electricity?

LEDs consume far less electricity than incandescent bulbs, and decorative LED light strings such as Christmas tree lights are no different. … Safer: LEDs are much cooler than incandescent lights, reducing the risk of combustion or burnt fingers.

## How much electricity do fairy lights use UK?

Calculations from energy suppliers suggest that a string of 80 old-fashioned bulbs cost about 72p per string in electricity for the entire festive period while LED Christmas tree lights cost around 14p to light the tree for the same period.

## How much does it cost to run Christmas lights?

How Many Watts do Christmas Lights Use?

Bulb Type Wattage per Bulb Cost of Powering 10, 100-bulb strands (at avg. \$0.12/kWh)*
Incandescent mini light .41 \$10.33
Incandescent C7 (2”) light 5 \$126.00
Incandescent C9 (3”) light 7 \$176.40
LED mini light .07 \$1.76

## Is LED lights cheaper to run?

The large variance between an LED bulb and, say, a halogen bulb wattage is the reason LEDs are so much cheaper to run. … This means that the LED spot uses 90% less electricity to run and therefore it costs 90% less.