Running a water heater
in North Dakota
$138.14 a year A typical ENERGY STAR certified water heater uses 1,015 kWh a year. At North Dakota's average residential price of 13.61¢ per kWh, that is $138.14 a year, or $11.51 a month.
Model choice matters more than most people expect: the most efficient certified water heater costs $87.51 a year to run, the least efficient $236.95.
The most efficient water heaters to run in North Dakota
Every ENERGY STAR certified model, ranked by certified annual energy use and priced at North Dakota's rate.
| # | Model | kWh/yr | Cost/yr | vs typical |
|---|---|---|---|---|
| 1 | Friedrich PROH40 T2 FD400-15 · Hybrid/Electric Heat Pump | 643 | $87.51 | saves $50.63 |
| 2 | Rheem CPROPH40 T2 RH400-15 · Hybrid/Electric Heat Pump | 643 | $87.51 | saves $50.63 |
| 3 | Rheem CXE40T10H22U1 · Hybrid/Electric Heat Pump | 643 | $87.51 | saves $50.63 |
| 4 | Rheem ECEPH40 T2 RH400-15 · Hybrid/Electric Heat Pump | 643 | $87.51 | saves $50.63 |
| 5 | Rheem PROPH40 T2 RH375-15 · Hybrid/Electric Heat Pump | 643 | $87.51 | saves $50.63 |
| 6 | Rheem PROPH40 T2 RH400-15 · Hybrid/Electric Heat Pump | 643 | $87.51 | saves $50.63 |
| 7 | Rheem XE40T10H22U0 · Hybrid/Electric Heat Pump | 643 | $87.51 | saves $50.63 |
| 8 | Rheem XE40T10H22U1 · Hybrid/Electric Heat Pump | 643 | $87.51 | saves $50.63 |
| 9 | Richmond 10CE40-HP5U15 · Hybrid/Electric Heat Pump | 643 | $87.51 | saves $50.63 |
| 10 | Richmond 10E40-HP515 · Hybrid/Electric Heat Pump | 643 | $87.51 | saves $50.63 |
| 11 | Richmond 10E40-HP5U15 · Hybrid/Electric Heat Pump | 643 | $87.51 | saves $50.63 |
| 12 | Ruud PROUH40 T2 CD400-15 · Hybrid/Electric Heat Pump | 643 | $87.51 | saves $50.63 |
| 13 | Ruud PROUH40 T2 RU375-15 · Hybrid/Electric Heat Pump | 643 | $87.51 | saves $50.63 |
| 14 | Ruud PROUH40 T2 RU400-15 · Hybrid/Electric Heat Pump | 643 | $87.51 | saves $50.63 |
| 15 | Eco-Logical OMNI-50HP1-1A · Hybrid/Electric Heat Pump | 681 | $92.68 | saves $45.46 |
| 16 | GE Profile PF40S10FPY01 · Hybrid/Electric Heat Pump | 724 | $98.54 | saves $39.61 |
| 17 | GE Profile PJ40S10FPY01 · Hybrid/Electric Heat Pump | 724 | $98.54 | saves $39.61 |
| 18 | Eco-Logical OMNI-50HP2-1A · Hybrid/Electric Heat Pump | 769 | $104.66 | saves $33.48 |
| 19 | GE Profile PH40S10BPY01 · Hybrid/Electric Heat Pump | 773 | $105.21 | saves $32.94 |
| 20 | GE Profile PK50S10FNY01 · Hybrid/Electric Heat Pump | 773 | $105.21 | saves $32.94 |
Running cost only. Purchase price, capacity and features are not considered here — a cheap-to-run model is not automatically the right buy.
What ENERGY STAR saves you
| Certified models in this category | 680 |
|---|---|
| Lowest certified energy use | 643 kWh/yr — $87.51/yr |
| Median certified energy use | 1,015 kWh/yr — $138.14/yr |
| Highest certified energy use | 1,741 kWh/yr — $236.95/yr |
| Difference, best to worst | $149.44 a year |
| …over a 10-year life | $1494.38 |
The same water heater in every state
| State | Price per kWh | Cost per year | Per month |
|---|---|---|---|
| Hawaii | 52.00¢ | $527.80 | $43.98 |
| California | 33.25¢ | $337.49 | $28.12 |
| New York | 29.93¢ | $303.79 | $25.32 |
| Rhode Island | 29.46¢ | $299.02 | $24.92 |
| Massachusetts | 28.82¢ | $292.52 | $24.38 |
| Maine | 28.63¢ | $290.59 | $24.22 |
| Alaska | 28.23¢ | $286.53 | $23.88 |
| Connecticut | 27.37¢ | $277.81 | $23.15 |
| New Hampshire | 27.33¢ | $277.40 | $23.12 |
| District of Columbia | 25.40¢ | $257.81 | $21.48 |
| Vermont | 24.89¢ | $252.63 | $21.05 |
| Illinois | 23.85¢ | $242.08 | $20.17 |
| New Jersey | 23.27¢ | $236.19 | $19.68 |
| Michigan | 22.01¢ | $223.40 | $18.62 |
| Maryland | 21.77¢ | $220.97 | $18.41 |
| Pennsylvania | 21.55¢ | $218.73 | $18.23 |
| Wisconsin | 19.74¢ | $200.36 | $16.70 |
| Ohio | 19.52¢ | $198.13 | $16.51 |
| Delaware | 19.38¢ | $196.71 | $16.39 |
| Indiana | 18.15¢ | $184.22 | $15.35 |
| Virginia | 17.61¢ | $178.74 | $14.90 |
| Minnesota | 16.95¢ | $172.04 | $14.34 |
| West Virginia | 16.80¢ | $170.52 | $14.21 |
| Alabama | 16.77¢ | $170.22 | $14.18 |
| Texas | 16.44¢ | $166.87 | $13.91 |
| Oregon | 16.27¢ | $165.14 | $13.76 |
| South Carolina | 16.18¢ | $164.23 | $13.69 |
| Colorado | 16.16¢ | $164.02 | $13.67 |
| Mississippi | 16.16¢ | $164.02 | $13.67 |
| Georgia | 15.84¢ | $160.78 | $13.40 |
| South Dakota | 15.73¢ | $159.66 | $13.30 |
| Arizona | 15.23¢ | $154.58 | $12.88 |
| Florida | 15.17¢ | $153.98 | $12.83 |
| Kansas | 15.13¢ | $153.57 | $12.80 |
| North Carolina | 15.09¢ | $153.16 | $12.76 |
| Kentucky | 14.98¢ | $152.05 | $12.67 |
| Washington | 14.95¢ | $151.74 | $12.65 |
| Wyoming | 14.80¢ | $150.22 | $12.52 |
| Montana | 14.67¢ | $148.90 | $12.41 |
| Tennessee | 14.47¢ | $146.87 | $12.24 |
| Arkansas | 14.36¢ | $145.75 | $12.15 |
| Louisiana | 14.15¢ | $143.62 | $11.97 |
| Iowa | 14.14¢ | $143.52 | $11.96 |
| New Mexico | 14.12¢ | $143.32 | $11.94 |
| Missouri | 13.68¢ | $138.85 | $11.57 |
| North Dakota | 13.61¢ | $138.14 | $11.51 |
| Nevada | 13.60¢ | $138.04 | $11.50 |
| Nebraska | 13.59¢ | $137.94 | $11.49 |
| Oklahoma | 13.38¢ | $135.81 | $11.32 |
| Utah | 12.96¢ | $131.54 | $10.96 |
| Idaho | 12.35¢ | $125.35 | $10.45 |
A typical ENERGY STAR certified water heater using 1,015 kWh a year, at each state's average residential electricity price.
Questions
How much does it cost to run a water heater in North Dakota?
About $138.14 a year — $11.51 a month — for a typical ENERGY STAR certified water heater using 1,015 kWh annually, at North Dakota's average residential rate of 13.61¢ per kWh.
How much electricity does a water heater use?
Certified models range from 643 to 1,741 kWh a year, with a median of 1,015 kWh. That spread means the model you choose changes the running cost by $149.44 a year in North Dakota.
Is that more or less than the rest of the country?
North Dakota has the 46th highest residential electricity price of the 51 states and DC, at 13.61¢ against a national average of 19.41¢. The same water heater costs $197.01 a year at the national average — $58.87 more than you pay.
Will my bill actually go up by this much?
Only roughly. This is the certified test figure at your state's average price. Your own tariff, how heavily you use the appliance, and its age all move the real number. Older non-certified appliances often use considerably more.
Energy use: US EPA ENERGY STAR certified product data. Electricity price: US EIA Electric Power Monthly, 2026-07-28. Estimates for comparison only. Your actual bill depends on your tariff, how often you run the appliance, and local conditions.