# How much will it cost to run my tennis court lights?

How much will it cost to operate a six or eight pole tennis court lighting system at my house?

In 2011 the national household average per kilowatt-hour use was \$0.12.  To figure the actual cost of running your lighting system you will first have to figure out the amount of watts a system uses and follow this formula:

wattage   x   hours used  ÷  1000  x  price per kWh  =   cost of electricity

A six light 1000w court lighting system will use 6,600W when operating.

6,600w  x  3 hrs of play ÷ 1000 x \$0.12 = \$2.38, or approximately \$0.80 per hour

An eight light 1000w court lighting system will use 8,800W when operating.

8,800w  x  3 hrs of play ÷ 1000 x \$0.12 = \$3.17, or approximately \$1.05 per hour

You can see that it doesn’t cost quite as much as you would think to operate your tennis court lighting.  Metal halide lamps are an extremely efficient light source for tennis applications.  Even with the emergence of LED lighting, which may one day  illuminate sporting applications, metal halide is still king of the court.  When comparing any lighting system choice for your tennis court one should pay particular attention to a photometric analysis that will show exactly how much light any given system can produce on your court.  You will need approximately 40-50 foot candles on average throughout the primary playing area to achieve adequate lighting and enjoy the game at night.

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