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Heat pump water heater Electricity Cost in Missouri — $4.78/month (2026)

Missouri monthly
$4.78
U.S. average monthly
$7.28
Difference
-$2.50

← Heat pump water heater (all states) · Missouri electricity rate

Quick rate
Daily cost
$0.16
Monthly cost
$4.78
+$0.00 vs typical
Yearly cost
$58.14
kWh / month
40.5 kWh
Local monthly estimate: $4.78 · U.S. average equivalent: $7.28
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Quick answer

Running a typical heat pump water heater in Missouri costs about $0.16/day or $4.78/month at roughly $0.118/kWh, assuming 3 hours of use per day at 450 W. The U.S. average rate is about $0.180/kWh, so Missouri is roughly 34% lower than average for this estimate.

vs U.S. average

Local rate (Missouri)
$0.118/kWh
Monthly estimate: $4.78
U.S. average rate
$0.180/kWh
Monthly estimate: $7.28
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FAQ

How many watts does a heat pump water heater use?
Most heat pump water heater units fall between 300 W and 800 W, with 450 W as a typical value for estimates.
What is the heat pump water heater wattage?
Our calculator uses 450 W as the typical wattage, within a reported range of 300–800 W.
How many kWh does a heat pump water heater use per day in Missouri?
At 3 hours/day and 450 W, the estimate is about 1.35 kWh per day.
How many kWh does a heat pump water heater use per month in Missouri?
Using 3 hours/day, the estimate is about 40.5 kWh per month.
How many kWh does a heat pump water heater use per hour?
Per hour, heat pump water heater uses about 0.450 kWh (at 450 W).
How much does it cost to run a heat pump water heater per day in Missouri?
At typical use (450 W and 3 hours/day), the estimate is about $0.16/day at roughly $0.118/kWh.
How much does it cost to run a heat pump water heater per month in Missouri?
At typical use (450 W and 3 hours/day), the estimate is about $4.78/month at roughly $0.118/kWh.
How much does it cost to run a heat pump water heater per hour in Missouri?
Running for one hour at 450 W costs about $0.053 per hour (using the Missouri rate of about $0.118/kWh).
What is the heat pump water heater electricity cost per month in Missouri?
For typical use, the calculator estimates about $4.78/month for heat pump water heater in Missouri.
How much does heat pump water heater add to my electric bill in Missouri?
At the typical Missouri residential rate, the estimate is about 40.5 kWh per month, which corresponds to roughly $4.78/month for heat pump water heater.
What is the impact on electric bill of heat pump water heater in Missouri?
Compared to the U.S. average, Missouri is about 34% lower for this estimate. Monthly cost is about $4.78 in Missouri vs $7.28 at the national average.
How to reduce heat pump water heater electricity cost in Missouri?
Start with practical steps from our tips list (e.g., Avoid running this appliance longer than you need each day.). Smaller changes reduce kWh usage, which reduces the bill at your local rate.

Related appliances

Est. monthly at Missouri rate ($0.118/kWh)