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Cost to run an electric water heater in District of Columbia
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$1.04/hour
Electric Water Heater at 4,000 W in District of Columbia (25.98¢/kWh) · $94.78/month at 3 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $1.04 | $31.59 | $379.31 |
| 2 h/day | $2.08 | $63.18 | $758.62 |
| 3 h/day | $3.12 | $94.78 | $1,137.92 |
| 4 h/day | $4.16 | $126.37 | $1,517.23 |
| 8 h/day | $8.31 | $252.73 | $3,034.46 |
| 12 h/day | $12.47 | $379.10 | $4,551.70 |
| 24 h/day | $24.94 | $758.20 | $9,103.39 |
Tank water heaters use 3,000-5,500 W elements; a family typically runs them 2-4 hours a day. Heat-pump models use about a third.
Same appliance, nearby states
| State | ¢/kWh | Per month |
|---|---|---|
| District of Columbia | 25.98 | $94.78 |
| Vermont | 23.84 | $86.97 |
| Connecticut | 24.51 | $89.41 |
| New Jersey | 24.61 | $89.78 |
| New Hampshire | 27.64 | $100.83 |
| Rhode Island | 28.18 | $102.80 |
| New York | 28.65 | $104.52 |
FAQ
How much does it cost to run an electric water heater in District of Columbia?
At 4,000 W and 25.98¢/kWh: $1.04 per hour, $3.12 per day and $94.78 per month at 3 h/day.
How does District of Columbia compare with other states?
The same use costs $46.40/month in Nevada (cheapest) and $172.11/month in Hawaii (most expensive); the US average is $66.25.
Price: EIA Electric Power Monthly, Table 5.6.A (residential, August 2026 preliminary; released October 23, 2026).
Electric Water Heater cost calculator · Electricity cost in District of Columbia
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