New Jersey has about 374,000 residential pools, one for every 24 residents. Here is what running one costs at New Jersey's electricity price, and the calculators to keep yours clear.
Electricity in New Jersey averages 24.61 cents per kWh, above the median state's 16.32 cents. For a typical 20,000-gallon pool turned over in 8 hours a day:
| Pump | Per month | Per year, if run year-round |
|---|---|---|
| Single-speed, 1.7 kW, 8 h a day | $102 | $1,221 |
| Variable-speed at half speed, 16 h a day | $25.44 | $305 |
Switching saves about $76.31 a month in New Jersey. Run your own pump and pool size in the pool pump calculator, already set to New Jersey's price.
A covered spa whose 4 kW heater runs about 2 hours a day, with a 300 W pump on for 12 hours, uses about 353 kWh a month: $86.78 a month at New Jersey prices.
Heater time is the big variable: a cold winter or a waterlogged cover can double it. Enter your own numbers in the hot tub electricity cost calculator.
Wherever you swim, clear water comes down to a few numbers: free chlorine at 7.5% of your stabilizer or more, pH between 7.2 and 7.8, and enough pump time to filter all the water every day. Sunny, hot weeks use chlorine fastest, so test more often then.
About 374,000 residential pools, one for every 24 residents. That ranks New Jersey 6th of 50 states for the number of pools and 5th for pools per person.
At New Jersey's average residential electricity price of 24.61 cents per kWh, a 1.7 kW single-speed pump running 8 hours a day costs about $102 a month. A variable-speed pump moving the same water at half speed costs about $25.44.
About $86.78 a month for a spa whose 4 kW heater runs 2 hours a day and whose 300 W pump runs 12 hours, at 24.61 cents per kWh. Your heater time depends on weather and your cover.
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