Sauna and Cold Plunge Running Cost by State
Energy used = power in kW × hours × share of time the heater or chiller is actually on. Cost = energy × your electricity price. Enter your own numbers, or start from a model in our listings.
Per use: -
Per month: - · per year: - · energy per year: -
Electricity only. Standing charges, water, chemicals, wood, installation and maintenance are not included.
One hour of sauna by state
Cost of one hour at 8 kW (the median power of 32 US sauna listings that state it) with the heater on the whole time, at each state's 2025 average residential price from the EIA. Cheapest first.
| State | ¢ per kWh (2025) | 1 hour at 8 kW | 3 hours a week, 1 year |
|---|---|---|---|
| North Dakota | 11.81 | $0.94 | $147 |
| Idaho | 11.82 | $0.95 | $148 |
| Nebraska | 12.34 | $0.99 | $154 |
| Louisiana | 12.57 | $1.01 | $157 |
| Arkansas | 12.84 | $1.03 | $160 |
| Montana | 12.98 | $1.04 | $162 |
| Utah | 13.07 | $1.05 | $163 |
| Washington | 13.11 | $1.05 | $164 |
| Oklahoma | 13.12 | $1.05 | $164 |
| Nevada | 13.15 | $1.05 | $164 |
| Tennessee | 13.18 | $1.05 | $164 |
| Kentucky | 13.24 | $1.06 | $165 |
| South Dakota | 13.38 | $1.07 | $167 |
| Wyoming | 13.38 | $1.07 | $167 |
| Missouri | 13.49 | $1.08 | $168 |
| Iowa | 13.72 | $1.10 | $171 |
| North Carolina | 14.02 | $1.12 | $175 |
| Mississippi | 14.03 | $1.12 | $175 |
| Kansas | 14.56 | $1.16 | $182 |
| Georgia | 14.73 | $1.18 | $184 |
| South Carolina | 14.96 | $1.20 | $187 |
| New Mexico | 15.08 | $1.21 | $188 |
| Florida | 15.24 | $1.22 | $190 |
| Virginia | 15.28 | $1.22 | $191 |
| Arizona | 15.32 | $1.23 | $191 |
| Oregon | 15.37 | $1.23 | $192 |
| West Virginia | 15.41 | $1.23 | $192 |
| Texas | 15.47 | $1.24 | $193 |
| Minnesota | 15.82 | $1.27 | $197 |
| Colorado | 15.85 | $1.27 | $198 |
| Alabama | 16.10 | $1.29 | $201 |
| Indiana | 16.23 | $1.30 | $203 |
| Ohio | 16.96 | $1.36 | $212 |
| Delaware | 17.13 | $1.37 | $214 |
| Illinois | 17.69 | $1.42 | $221 |
| Wisconsin | 18.16 | $1.45 | $227 |
| Pennsylvania | 19.30 | $1.54 | $241 |
| Maryland | 19.48 | $1.56 | $243 |
| Michigan | 20.01 | $1.60 | $250 |
| District of Columbia | 21.94 | $1.76 | $274 |
| New Jersey | 22.63 | $1.81 | $282 |
| Vermont | 22.92 | $1.83 | $286 |
| New Hampshire | 24.56 | $1.96 | $307 |
| Alaska | 26.09 | $2.09 | $326 |
| New York | 26.39 | $2.11 | $329 |
| Maine | 27.78 | $2.22 | $347 |
| Connecticut | 29.38 | $2.35 | $367 |
| Rhode Island | 29.46 | $2.36 | $368 |
| Massachusetts | 30.48 | $2.44 | $380 |
| California | 32.54 | $2.60 | $406 |
| Hawaii | 40.59 | $3.25 | $507 |