How Much Does a Electric water heater Cost to Run? (2026 Calculator)
Typical setup: 4500 W · 3 h/day · $0.180/kWh
Daily
$2.43
Monthly
$72.81
Yearly
$885.86
Quick rate
Daily cost
$2.43
Monthly cost
$72.81
+$0.00 vs typical
Yearly cost
$885.86
kWh / month
405.0 kWh
Ad slot
ad-after-calculator Quick answer
A typical electric water heater uses about 4500 W and costs about $2.27/day or $68.04/month at the U.S. average rate of $0.17/kWh, assuming 3 hours of use per day. At the same rate, costs range from about $1.51/day (3000 W) to $2.77/day (5500 W).
State explorer
Quickly spot cheapest, highest, and near-average monthly costs.
Top 10 cheapest
Top 10 highest
- Hawaii $161.15
- Massachusetts $126.20
- Maine $124.46
- California $122.67
- Rhode Island $122.07
- New York $114.90
- Connecticut $114.62
- New Hampshire $106.60
- Alaska $103.36
- District of Columbia $96.07
Cost by state (monthly)
At typical 4500 W and 3 h/day. Rates from our dataset (see methodology ). Open a state for a dedicated calculator page.
Ad slot
ad-after-state-table Wattage range
| Level | Watts | Est. monthly @ avg rate |
|---|---|---|
| Low | 3000 W | $48.54 |
| Typical | 4500 W | $72.81 |
| High | 5500 W | $88.99 |
Energy saving tips
- Avoid running this appliance longer than you need each day.
- Use built-in eco or energy-saving modes whenever available.
- Shift usage to off-peak hours if your utility offers time-of-use rates.
- Only heat the room you are in and close doors to unused rooms.
FAQ
- Most electric water heater units fall between 3000 W and 5500 W, with 4500 W as a typical operating value for estimates.
- Our estimates use 4500 W as the typical wattage, within a reported range of 3000–5500 W.
- At typical use (3 hours/day at 4500 W), the estimate is about 13.50 kWh/day and 405.0 kWh/month at the U.S. average rate.
- With 3 hours/day and 4500 W, this appliance uses about 13.50 kWh per day.
- At 3 hours/day, the monthly estimate is about 405.0 kWh per month.
- Per hour, the typical draw is about 4.500 kWh (at 4500 W).
- At the U.S. average electricity rate of $0.17/kWh, the typical daily cost is about $2.27/day for 3 hours/day.
- At the U.S. average electricity rate of $0.17/kWh, the typical monthly cost is about $68.04/month at 3 hours/day.
- Running for one hour at 4500 W costs about $0.76/hour (using 0.17 $/kWh as the U.S. average).
- With typical use (3 hours/day at 4500 W), the estimate is about $2.27/day or $68.04/month at the U.S. average rate.
- The estimate is about 405.0 kWh per month, which corresponds to roughly $68.04/month at the U.S. average rate. Your real bill depends on your rate and runtime.
- Use energy-saving tips tailored to this appliance. For example: Avoid running this appliance longer than you need each day. — reducing kWh reduces the bill at your local rate.