Is a pond pump expensive to run?

Right-size the pump to the pond: a pump rated far beyond your gallons is pure wasted head pressure. At typical use it adds about $18.05 to a monthly electric bill at the US-average rate, but that swings from $12.60 in the cheapest states to $46.93 in the most expensive.

How many watts does a pond pump use?

Pond Pump typically draws about 150 running watts. Because it has a motor or compressor, it briefly spikes to around 300 watts at startup, which matters for generator and breaker sizing but not for energy cost. Check the nameplate or label on your specific unit for its exact rating.

How much electricity (kWh) does a pond pump use?

At typical use (150 W for 24 hours a day), a pond pump uses about 3.6 kWh per day — roughly 110 kWh per month, or about 13% of what the average US home uses in a month (863 kWh). Energy used doesn't depend on your electricity rate — only the bill does.

How can I lower the cost of running a pond pump?

Right-size the pump to the pond: a pump rated far beyond your gallons is pure wasted head pressure. You can also cut the cost by lowering your electricity rate — many utilities offer cheaper off-peak hours — or simply by running it fewer hours. The calculator on this page shows how changing hours per day or your electricity rate moves the number.

How Much Does It Cost to Run a Pond Pump?

A pond pump circulates around the clock to keep fish alive and water clear — modest watts, but they never stop. At the US-average rate of 16.5¢/kWh, running a pond pump costs about $18.05/month ($216.55/year) at typical use. Adjust the watts, hours, and your rate below for your exact number.

Power (watts)

Hours per day: 24

Days per week: 7

Your state (sets the rate)

Electricity rate ($/kWh)

Cost to run a pond pump

$217/yr

Per day: $0.59
Per month: $18.05
Energy per year: 1,314 kWh

Cost = power (kW) × hours × days × your rate. Defaults are typical values — enter your appliance's actual watts (often on a label) and your real rate for a precise figure.

How much electricity does a pond pump use?

At 150 W for 24 hours a day, a pond pump uses about 3.6 kWh per day — roughly 110 kWh per month and 1,314 kWh per year. That's about 13% of the 863 kWh the average US home uses in a month. Energy use is the same everywhere — only the price per kWh changes your bill.

Wondering about the circuit instead? See how many amps a pond pump draws.

Cost to run a pond pump by electricity rate

Same 150 W appliance, 24 h/day — the bill changes with where you live.

Scenario	Rate	Per month	Per year
Cheapest states (North Dakota)	11.5¢	$12.60	$151.24
US average	16.5¢	$18.05	$216.55
Most expensive (Hawaii)	42.9¢	$46.93	$563.18

Find your state's rate on the electricity rates by state page, or see the appliance wattage chart for more devices.

Frequently asked questions

At the US-average residential rate of 16.5¢/kWh, a pond pump drawing 150 watts for about 24 hours a day costs roughly $0.59 per day, $18.05 per month, and $216.55 per year. Your actual cost depends on your electricity rate and how much you use it, and the calculator on this page adjusts for both.

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How Much Does It Cost to Run a Pond Pump?

How much electricity does a pond pump use?

Cost to run a pond pump by electricity rate

Frequently asked questions