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How much does it cost to run a well pump?
At the U.S. average residential price of 18.31¢ per kilowatt-hour (July 2026), running a well pump costs about $100 a year. Your own bill depends on your state's rate, which ranges from 12.72¢ to 48.00¢ across the country.
- Per hour
- 18.3¢
- Per day of use
- 27.5¢
- Per month
- $8.35
- 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 |
|---|---|---|---|
| Louisiana | 12.72¢ | $5.80 | $69.64 |
| Nevada | 12.77¢ | $5.83 | $69.92 |
| Utah | 13.12¢ | $5.99 | $71.83 |
| North Dakota | 13.41¢ | $6.12 | $73.42 |
| Tennessee | 13.71¢ | $6.26 | $75.06 |
| Idaho | 13.73¢ | $6.26 | $75.17 |
| Nebraska | 13.78¢ | $6.29 | $75.45 |
| Kentucky | 13.81¢ | $6.30 | $75.61 |
| Arkansas | 14.33¢ | $6.54 | $78.46 |
| Oklahoma | 14.35¢ | $6.55 | $78.57 |
| Wyoming | 14.36¢ | $6.55 | $78.62 |
| Mississippi | 14.54¢ | $6.63 | $79.61 |
| Washington | 14.71¢ | $6.71 | $80.54 |
| Montana | 14.99¢ | $6.84 | $82.07 |
| Florida | 15.03¢ | $6.86 | $82.29 |
| North Carolina | 15.16¢ | $6.92 | $83.00 |
| Kansas | 15.27¢ | $6.97 | $83.60 |
| South Dakota | 15.37¢ | $7.01 | $84.15 |
| Arizona | 15.38¢ | $7.02 | $84.21 |
| South Carolina | 15.47¢ | $7.06 | $84.70 |
| West Virginia | 15.78¢ | $7.20 | $86.40 |
| Texas | 15.88¢ | $7.25 | $86.94 |
| Oregon | 15.97¢ | $7.29 | $87.44 |
| Iowa | 15.99¢ | $7.30 | $87.55 |
| Missouri | 16.09¢ | $7.34 | $88.09 |
| New Mexico | 16.09¢ | $7.34 | $88.09 |
| Georgia | 16.27¢ | $7.42 | $89.08 |
| Alabama | 16.40¢ | $7.48 | $89.79 |
| Indiana | 16.73¢ | $7.63 | $91.60 |
| Colorado | 17.00¢ | $7.76 | $93.08 |
| Minnesota | 17.45¢ | $7.96 | $95.54 |
| Virginia | 17.55¢ | $8.01 | $96.09 |
| Delaware | 18.48¢ | $8.43 | $101 |
| Wisconsin | 19.06¢ | $8.70 | $104 |
| Illinois | 19.22¢ | $8.77 | $105 |
| Ohio | 19.45¢ | $8.87 | $106 |
| Maryland | 21.41¢ | $9.77 | $117 |
| Pennsylvania | 21.72¢ | $9.91 | $119 |
| Michigan | 23.05¢ | $10.52 | $126 |
| Vermont | 23.75¢ | $10.84 | $130 |
| Connecticut | 24.16¢ | $11.02 | $132 |
| New Jersey | 25.19¢ | $11.49 | $138 |
| District of Columbia | 25.21¢ | $11.50 | $138 |
| New Hampshire | 26.60¢ | $12.14 | $146 |
| Rhode Island | 28.29¢ | $12.91 | $155 |
| Alaska | 28.83¢ | $13.15 | $158 |
| New York | 29.90¢ | $13.64 | $164 |
| Massachusetts | 30.49¢ | $13.91 | $167 |
| Maine | 32.41¢ | $14.79 | $177 |
| California | 33.61¢ | $15.33 | $184 |
| Hawaii | 48.00¢ | $21.90 | $263 |
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 $8.35 a month at the U.S. average rate, or $100 a year.
- Where is it cheapest to run?
- Louisiana, at $69.64 a year, versus $263 in Hawaii — a spread of $193.