Heat pump water heater Electricity Cost in South Carolina — $6.24/month (2026)
South Carolina monthly
$6.24
U.S. average monthly
$7.28
Difference
-$1.04
← Heat pump water heater (all states) · South Carolina electricity rate
Quick rate
Daily cost
$0.21
Monthly cost
$6.24
+$0.00 vs typical
Yearly cost
$75.93
kWh / month
40.5 kWh
Local monthly estimate: $6.24 · U.S. average equivalent: $7.28
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ad-after-calculator Quick answer
Running a typical heat pump water heater in South Carolina costs about $0.21/day or $6.24/month at roughly $0.154/kWh, assuming 3 hours of use per day at 450 W. The U.S. average rate is about $0.180/kWh, so South Carolina is roughly 14% lower than average for this estimate.
vs U.S. average
Local rate (South Carolina)
$0.154/kWh
Monthly estimate: $6.24
U.S. average rate
$0.180/kWh
Monthly estimate: $7.28
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ad-after-state-table FAQ
- Most heat pump water heater units fall between 300 W and 800 W, with 450 W as a typical value for estimates.
- Our calculator uses 450 W as the typical wattage, within a reported range of 300–800 W.
- At 3 hours/day and 450 W, the estimate is about 1.35 kWh per day.
- Using 3 hours/day, the estimate is about 40.5 kWh per month.
- Per hour, heat pump water heater uses about 0.450 kWh (at 450 W).
- At typical use (450 W and 3 hours/day), the estimate is about $0.21/day at roughly $0.154/kWh.
- At typical use (450 W and 3 hours/day), the estimate is about $6.24/month at roughly $0.154/kWh.
- Running for one hour at 450 W costs about $0.069 per hour (using the South Carolina rate of about $0.154/kWh).
- For typical use, the calculator estimates about $6.24/month for heat pump water heater in South Carolina.
- At the typical South Carolina residential rate, the estimate is about 40.5 kWh per month, which corresponds to roughly $6.24/month for heat pump water heater.
- Compared to the U.S. average, South Carolina is about 14% lower for this estimate. Monthly cost is about $6.24 in South Carolina vs $7.28 at the national average.
- 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.
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Est. monthly at South Carolina rate ($0.154/kWh)