How much does a pool pump cost to run?
A pool pump typically draws around 1100 W while running. Ratings vary widely between models, so check the label and change the figure below.
per kWh
W
g CO2 per kWh
Cost per year
901.00
- Cost per month
- 75.08
- Cost per day
- 2.47
- Cost per hour of use
- 0.31
- Energy per year
- 3217.8 kWh
- Energy per day
- 8.8160 kWh
- Carbon dioxide per year
- 804.5
- Annual cost of standby alone
- 1.64
Show the working
- Power = 1100
- Hours per day = 8
- Days per year in use = 365
- Electricity price = 0.28
- Standby power = 1
- Grid carbon intensity = 250
- kw = 1100 / 1000 = 1.1
- daily_kwh = 1.1 * 8 = 8.8
- standby_kwh = 1 / 1000 * (24 - 8) = 0.016
- Energy per day = 8.8 + 0.016 = 8.816
- Energy per year = 8.816 * 365 = 3217.84
- Cost per day = 8.816 * 0.28 = 2.468 48
- Cost per year = 3217.84 * 0.28 = 900.995
- Cost per month = 900.995 / 12 = 75.0829
- Cost per hour of use = 1.1 * 0.28 = 0.308
- Carbon dioxide per year = 3217.84 * 250 / 1000 = 804.46
- Annual cost of standby alone = 0.016 * 365 * 0.28 = 1.6352
Values are shown to six significant figures here; the arithmetic itself runs on exact fractions and is only rounded where a number is printed.
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The formula
- daily energy = power in kW x hours
- annual cost = daily energy x days x price per kWh
Nameplate wattage is the maximum draw, not the average. A cycling appliance like a fridge or a freezer averages far less.
Standby draw is small per device and adds up across a house: ten devices at 2 W each is 175 kWh a year.
Running cost of a pool pump at different tariffs
| Price per kWh | Per hour | Per year at 8 h/day |
|---|---|---|
| 0.10 | 0.1100 | 321.20 |
| 0.15 | 0.1650 | 481.80 |
| 0.20 | 0.2200 | 642.40 |
| 0.25 | 0.2750 | 803.00 |
| 0.30 | 0.3300 | 963.60 |
| 0.40 | 0.4400 | 1284.80 |
Frequently asked
How many watts does a pool pump use?
Typically around 1100 W while running, though models vary. Check the rating plate.
How much electricity does it use per day?
About 8.80 kWh at 8 hours of use.
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