How much does a well pump cost per month in Connecticut?

About $11.10 a month, assuming 1,000 W, 1.5 hours a day, 365 days a year at 24.32¢/kWh.

How many kilowatt-hours does a well pump use?

Roughly 548 kWh a year under these assumptions, or 1.00 kWh for every hour it runs.

Is that expensive compared with other states?

Connecticut has the 12th most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $100 a year.

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Cost to run a well pump in Connecticut (June 2026 rates)

At 24.32¢ per kilowatt-hour — Connecticut's average residential price in June 2026 — running a well pump costs $133 a year. That is 33% more than the national average of $100. Connecticut's residential rate is down 10.6% from June 2025, which moves this appliance from $149 to $133 a year.

Per hour: 24.3¢
Per day of use: 36.5¢
Per month: $11.10
Per year: $133

Assumption: 1,000 W, 1.5 hours a day, 365 days a year — 548 kWh a year. A 1/2 to 3/4 HP submersible pump running about 90 minutes a day for an average household's water use. Use the calculator to swap in the numbers from your own model.

How Connecticut compares

Connecticut pays 24.32¢/kWh, the 12th most expensive residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $32.74 more a year than the typical U.S. household pays for the same use. Running the same well pump costs $71.78 a year in Nevada and $289 in Hawaii, so where you live changes this bill by $217 a year.

State	Rate	Per month	Per year
Maryland	21.84¢	$9.96	$120
Michigan	22.99¢	$10.49	$126
Connecticut	24.32¢	$11.10	$133
District of Columbia	24.39¢	$11.13	$134
Vermont	24.44¢	$11.15	$134

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

What else costs about the same in Connecticut

Dehumidifier$131 a year in CT Gaming pc$142 a year in CT Aquarium$144 a year in CT

Cutting the number down

A waterlogged pressure tank makes the pump short-cycle, which is hard on the motor and shows up on the bill.
A running toilet or dripping outdoor spigot runs the pump all night; leaks are the usual explanation for a sudden jump.

Questions

How much does a well pump cost per month in Connecticut?: About $11.10 a month, assuming 1,000 W, 1.5 hours a day, 365 days a year at 24.32¢/kWh.
How many kilowatt-hours does a well pump use?: Roughly 548 kWh a year under these assumptions, or 1.00 kWh for every hour it runs.
Is that expensive compared with other states?: Connecticut has the 12th most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $100 a year.