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How much does it cost to run a well pump?
At the U.S. average residential price of 18.16¢ per kilowatt-hour (August 2026), running a well pump costs about $99.43 a year. Your own bill depends on your state's rate, which ranges from 12.72¢ to 47.18¢ across the country.
- Per hour
- 18.2¢
- Per day of use
- 27.2¢
- Per month
- $8.29
- Per year
- $99.43
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 | 12.72¢ | $5.80 | $69.64 |
| Louisiana | 12.87¢ | $5.87 | $70.46 |
| North Dakota | 13.31¢ | $6.07 | $72.87 |
| Utah | 13.31¢ | $6.07 | $72.87 |
| Idaho | 13.37¢ | $6.10 | $73.20 |
| Tennessee | 13.42¢ | $6.12 | $73.47 |
| Nebraska | 13.54¢ | $6.18 | $74.13 |
| Kentucky | 13.80¢ | $6.30 | $75.56 |
| Arkansas | 14.37¢ | $6.56 | $78.68 |
| Mississippi | 14.43¢ | $6.58 | $79.00 |
| Wyoming | 14.43¢ | $6.58 | $79.00 |
| Washington | 14.63¢ | $6.67 | $80.10 |
| Oklahoma | 14.82¢ | $6.76 | $81.14 |
| North Carolina | 14.95¢ | $6.82 | $81.85 |
| Florida | 14.99¢ | $6.84 | $82.07 |
| Arizona | 15.05¢ | $6.87 | $82.40 |
| South Dakota | 15.15¢ | $6.91 | $82.95 |
| Kansas | 15.47¢ | $7.06 | $84.70 |
| Montana | 15.57¢ | $7.10 | $85.25 |
| South Carolina | 15.76¢ | $7.19 | $86.29 |
| Georgia | 15.90¢ | $7.25 | $87.05 |
| Texas | 15.91¢ | $7.26 | $87.11 |
| Oregon | 15.92¢ | $7.26 | $87.16 |
| Missouri | 16.02¢ | $7.31 | $87.71 |
| West Virginia | 16.31¢ | $7.44 | $89.30 |
| Alabama | 16.33¢ | $7.45 | $89.41 |
| New Mexico | 16.51¢ | $7.53 | $90.39 |
| Indiana | 17.02¢ | $7.77 | $93.18 |
| Iowa | 17.06¢ | $7.78 | $93.40 |
| Colorado | 17.17¢ | $7.83 | $94.01 |
| Minnesota | 17.20¢ | $7.85 | $94.17 |
| Virginia | 17.64¢ | $8.05 | $96.58 |
| Delaware | 18.70¢ | $8.53 | $102 |
| Illinois | 19.32¢ | $8.81 | $106 |
| Ohio | 19.38¢ | $8.84 | $106 |
| Wisconsin | 19.41¢ | $8.86 | $106 |
| Maryland | 21.40¢ | $9.76 | $117 |
| Pennsylvania | 21.77¢ | $9.93 | $119 |
| Michigan | 22.99¢ | $10.49 | $126 |
| Vermont | 23.84¢ | $10.88 | $131 |
| Connecticut | 24.51¢ | $11.18 | $134 |
| New Jersey | 24.61¢ | $11.23 | $135 |
| District of Columbia | 25.98¢ | $11.85 | $142 |
| New Hampshire | 27.64¢ | $12.61 | $151 |
| Rhode Island | 28.18¢ | $12.86 | $154 |
| New York | 28.65¢ | $13.07 | $157 |
| Alaska | 29.41¢ | $13.42 | $161 |
| California | 29.75¢ | $13.57 | $163 |
| Massachusetts | 30.48¢ | $13.91 | $167 |
| Maine | 32.11¢ | $14.65 | $176 |
| Hawaii | 47.18¢ | $21.53 | $258 |
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 $8.29 a month at the U.S. average rate, or $99.43 a year.
- Where is it cheapest to run?
- Nevada, at $69.64 a year, versus $258 in Hawaii — a spread of $189.