How Much Energy Do Christmas Lights Use?


If you plan to use a lot of Christmas lights but do not want an unwanted "gift" when you open your electric bill in the New Year, you might want to buy Christmas lights that do not use too much energy.

LED Lights

  • Using LED (Light Emitting Diode) lights can save you big bucks. According to the Long Island Power Authority, using a string of 600 LED lights for a month will cost a fraction of what it will cost to run "traditional" Christmas lights. A study by the Neighborhood Network says they use only .04 watts per light.


  • These are the smaller bulbs that are popular. The Neighborhood Network says "traditional" mini-light bulbs use about .34 watts per bulb.


  • These bulbs are 1 inch long that some say are shaped like a strawberry. According to the Neighborhood Network, each C-7 bulb uses more than 100 times the energy of an LED.

C-9 Bulbs

  • C-9 bulbs look like the C-7s but are bigger and use twice the energy.


  • LED bulbs save money on your electric bill and also help the environment. The Long Island Power Authority says LED lights do not have a filament, so they do not get hot. LIPA also says LED lights can last 50,000 to 100,000 hours. That compares with the lifespan of a conventional bulb of around 1,500 hours.

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