How much does it cost to run a well pump?
We've pre-filled a typical well pump below. Set your electricity rate and adjust the hours to match how you use yours — the cost updates instantly.
A well pump pulls ~750–1,500W and kicks on with every tap, shower and toilet flush.
Running a well pump at 1,000W for 1.5 h a day costs about
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If your home is on a well, the pump runs every time water moves — a shower, a flushed toilet, the washing machine, the garden hose. Each run is short, but they add up across a day, and a deeper well or a bigger pump pulls more watts each time.
It's an easy cost to overlook because it's hidden in the basement or the yard, but for a busy household it's a steady contributor to the bill.
What drives the cost of running a well pump
- Total water use — every fixture in the house triggers the pump.
- Well depth and pump horsepower set how many watts each run pulls.
- A waterlogged pressure tank makes the pump short-cycle, running far more than it should.
How to cut it
- Fix running toilets and dripping taps — they cycle the pump around the clock.
- Check the pressure tank's air charge so the pump isn't short-cycling.
- Water the garden deeply but less often rather than long daily runs.
What different sizes of well pump draw
The typical figure above is a middle-of-the-road unit. Since a well pump is sold by motor size (HP), here's the running power to expect across the common sizes — set the wattage to match yours for an exact cost.
| Motor size | Typical running power | |
|---|---|---|
| 1/2 HP | 900W | shallow well or small home |
| 3/4 HP | 1,200W | typical residential well |
| 1 HP | 1,500W | deeper well or larger home |
| 1.5 HP | 2,000W | deep well / high-demand household |
Common questions
How much does it cost to run a well pump per month?
At a typical 1,000W and about 1.5 hours a day, a well pump costs roughly $7.65 a month at $0.17/kWh. Set your own rate and hours above for an exact figure.
How can I cut the cost of running a well pump?
Fix running toilets and dripping taps — they cycle the pump around the clock.
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