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How much does it cost to run a well pump?
At the U.S. average residential price of 18.34¢ per kilowatt-hour (June 2026), running a well pump costs about $100 a year. Your own bill depends on your state's rate, which ranges from 13.11¢ to 52.72¢ across the country.
- Per hour
- 18.3¢
- Per day of use
- 27.5¢
- Per month
- $8.37
- Per year
- $100
Assumption: 1,000 W, 1.5 hours a day, 365 days a year — 548 kWh a year. A 1/2 to 3/4 HP submersible pump running about 90 minutes a day for an average household's water use.
Cost by state
Same appliance, same usage, 51 different prices. Sorted cheapest first.
| State | Rate | Per month | Per year |
|---|---|---|---|
| Nevada | 13.11¢ | $5.98 | $71.78 |
| Nebraska | 13.25¢ | $6.05 | $72.54 |
| Utah | 13.37¢ | $6.10 | $73.20 |
| Louisiana | 13.49¢ | $6.15 | $73.86 |
| Tennessee | 14.07¢ | $6.42 | $77.03 |
| North Dakota | 14.12¢ | $6.44 | $77.31 |
| Arkansas | 14.12¢ | $6.44 | $77.31 |
| Kentucky | 14.26¢ | $6.51 | $78.07 |
| Oklahoma | 14.33¢ | $6.54 | $78.46 |
| Idaho | 14.37¢ | $6.56 | $78.68 |
| North Carolina | 14.74¢ | $6.73 | $80.70 |
| Mississippi | 14.88¢ | $6.79 | $81.47 |
| Washington | 14.91¢ | $6.80 | $81.63 |
| New Mexico | 15.06¢ | $6.87 | $82.45 |
| Florida | 15.10¢ | $6.89 | $82.67 |
| Montana | 15.14¢ | $6.91 | $82.89 |
| Arizona | 15.18¢ | $6.93 | $83.11 |
| Wyoming | 15.24¢ | $6.95 | $83.44 |
| South Dakota | 15.36¢ | $7.01 | $84.10 |
| West Virginia | 15.45¢ | $7.05 | $84.59 |
| South Carolina | 15.55¢ | $7.09 | $85.14 |
| Kansas | 15.71¢ | $7.17 | $86.01 |
| Iowa | 15.93¢ | $7.27 | $87.22 |
| Texas | 15.94¢ | $7.27 | $87.27 |
| Missouri | 16.22¢ | $7.40 | $88.80 |
| Oregon | 16.32¢ | $7.45 | $89.35 |
| Georgia | 16.36¢ | $7.46 | $89.57 |
| Alabama | 16.40¢ | $7.48 | $89.79 |
| Colorado | 17.13¢ | $7.82 | $93.79 |
| Virginia | 17.22¢ | $7.86 | $94.28 |
| Indiana | 17.51¢ | $7.99 | $95.87 |
| Minnesota | 17.52¢ | $7.99 | $95.92 |
| Ohio | 19.19¢ | $8.76 | $105 |
| Delaware | 19.29¢ | $8.80 | $106 |
| Wisconsin | 19.56¢ | $8.92 | $107 |
| Illinois | 19.89¢ | $9.07 | $109 |
| Pennsylvania | 21.73¢ | $9.91 | $119 |
| Maryland | 21.84¢ | $9.96 | $120 |
| Michigan | 22.99¢ | $10.49 | $126 |
| Connecticut | 24.32¢ | $11.10 | $133 |
| District of Columbia | 24.39¢ | $11.13 | $134 |
| Vermont | 24.44¢ | $11.15 | $134 |
| New Jersey | 24.95¢ | $11.38 | $137 |
| New Hampshire | 27.01¢ | $12.32 | $148 |
| Alaska | 28.21¢ | $12.87 | $154 |
| Rhode Island | 29.23¢ | $13.34 | $160 |
| New York | 29.49¢ | $13.45 | $161 |
| Maine | 29.59¢ | $13.50 | $162 |
| Massachusetts | 29.61¢ | $13.51 | $162 |
| California | 34.74¢ | $15.85 | $190 |
| Hawaii | 52.72¢ | $24.05 | $289 |
Cutting the number down
- A waterlogged pressure tank makes the pump short-cycle, which is hard on the motor and shows up on the bill.
- A running toilet or dripping outdoor spigot runs the pump all night; leaks are the usual explanation for a sudden jump.
Questions
- How many watts does a well pump use?
- About 1,000 W while running.
- How much does a well pump cost per month?
- About $8.37 a month at the U.S. average rate, or $100 a year.
- Where is it cheapest to run?
- Nevada, at $71.78 a year, versus $289 in Hawaii — a spread of $217.