How much does a heat pump cost per month in New Jersey?

About $44.91 a month, assuming 2,400 W at a 60% duty cycle, 10 hours a day, 150 days a year at 24.95¢/kWh.

How many kilowatt-hours does a heat pump use?

Roughly 2,160 kWh a year under these assumptions, or 1.44 kWh for every hour it runs.

Is that expensive compared with other states?

New Jersey has the 9th most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $396 a year.

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Cost to run a heat pump in New Jersey (June 2026 rates)

At 24.95¢ per kilowatt-hour — New Jersey's average residential price in June 2026 — running a heat pump costs $539 a year. That is 36% more than the national average of $396.

Per hour: 35.9¢
Per day of use: $3.59
Per month: $44.91
Per year: $539

Assumption: 2,400 W at a 60% duty cycle, 10 hours a day, 150 days a year — 2,160 kWh a year. A mid-size ducted heat pump in heating mode. It moves heat rather than making it, delivering two to four units of heat per unit of electricity until the outdoor temperature drops far enough to trigger backup resistance strips. Use the calculator to swap in the numbers from your own model.

How New Jersey compares

New Jersey pays 24.95¢/kWh, the 9th most expensive residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $143 more a year than the typical U.S. household pays for the same use. Running the same heat pump costs $283 a year in Nevada and $1,139 in Hawaii, so where you live changes this bill by $856 a year.

State	Rate	Per month	Per year
District of Columbia	24.39¢	$43.90	$527
Vermont	24.44¢	$43.99	$528
New Jersey	24.95¢	$44.91	$539
New Hampshire	27.01¢	$48.62	$583
Alaska	28.21¢	$50.78	$609

States ranked by average residential price, cheapest first. See all 51 states for a heat pump.

What else costs about the same in New Jersey

Central air conditioner$587 a year in NJ Hot tub$624 a year in NJ Pool pump$431 a year in NJ

Cutting the number down

Auxiliary resistance heat is the expensive mode. Big thermostat setbacks trigger it on recovery, so a steady setting usually beats aggressive setbacks.
Cold-climate models hold useful capacity well below freezing; older units fall back to strips much sooner.
Keeping the outdoor coil clear of snow, leaves and shrubs protects the efficiency you paid for.

Questions

How much does a heat pump cost per month in New Jersey?: About $44.91 a month, assuming 2,400 W at a 60% duty cycle, 10 hours a day, 150 days a year at 24.95¢/kWh.
How many kilowatt-hours does a heat pump use?: Roughly 2,160 kWh a year under these assumptions, or 1.44 kWh for every hour it runs.
Is that expensive compared with other states?: New Jersey has the 9th most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $396 a year.