Typical electricity cost
How much does a Sump Pump cost to run?
Based on typical usage
A Sump Pump typically uses about 800 watts, costing around $0.12 per hour at $0.15 per kWh.
At typical use (1.5 hours per day), that's about $5.40 per month and $65.70 per year.
Based on
- 800 watts
- 1.5 hours per day
- $0.15 per kWh
What affects cost most
- Average hours used per day
- Electricity rate in dollars per kWh
- Accessory load, operating schedule, and duty cycle
How it works: Daily cost uses wattage, hours per day, and electricity rate. Monthly uses daily × 30; yearly uses daily × 365.
Use the calculator below to estimate cost based on your own wattage, usage time, and electricity rate.
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How Much Electricity Does a Sump Pump Use?
These example monthly costs show how daily runtime changes the bill at a typical electricity rate.
Example monthly costs
-
Light Use 0.9 hours per day$3.24/month
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Typical Use 1.5 hours per day$5.40/month
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Heavy Use 2.1 hours per day$7.56/month
Get a better estimate and keep costs down
Defaults are a starting point. Real cost changes most when runtime, wattage, and your electricity rate differ from the benchmark assumptions.
What changes cost most
- Average hours used per day
- Electricity rate in dollars per kWh
- Accessory load, operating schedule, and duty cycle
How to get a better estimate and lower cost
- Replace the default electricity rate with the actual rate from your latest power bill.
- Adjust daily runtime to match how long you actually use the equipment.
- Improve exterior drainage to reduce pump cycling.
- Keep the sump pit and discharge line clear of debris.
- Inspect float switches to prevent unnecessary runtime.
- Use a properly sized pump instead of an oversized unit when replacing.
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