Tankless Electric Water Heater Cost by State
A whole-home tankless electric water heater. High peak draw, but only operates on demand. Running one costs about $866/year at the U.S. average residential rate (18.83¢/kWh) — but the range across states is significant: from $568/year in North Dakota (12.35¢/kWh) to $2144/year in Hawaii (46.62¢/kWh).Full ranking — Tankless Electric Water Heater running cost in all 51 states
Rank State Rate Cost/month Cost/year 1 North Dakota 12.35¢/kWh $47.36 $568 2 Idaho 12.70¢/kWh $48.71 $584 3 Nebraska 13.28¢/kWh $50.93 $611 4 Utah 13.29¢/kWh $50.97 $611 5 Oklahoma 13.31¢/kWh $51.05 $612 6 Iowa 13.86¢/kWh $53.15 $637 7 Montana 13.90¢/kWh $53.31 $639 8 Missouri 14.01¢/kWh $53.73 $644 9 Arkansas 14.16¢/kWh $54.31 $651 10 Nevada 14.29¢/kWh $54.80 $657 11 Washington 14.36¢/kWh $55.07 $660 12 Louisiana 14.44¢/kWh $55.38 $664 13 South Dakota 14.52¢/kWh $55.69 $668 14 Wyoming 14.68¢/kWh $56.30 $675 15 Tennessee 14.94¢/kWh $57.30 $687 16 Kentucky 15.02¢/kWh $57.60 $691 17 New Mexico 15.15¢/kWh $58.10 $697 18 Georgia 15.37¢/kWh $58.95 $707 19 Florida 15.38¢/kWh $58.98 $707 20 Arizona 15.48¢/kWh $59.37 $712 21 Kansas 15.78¢/kWh $60.52 $726 22 Oregon 15.78¢/kWh $60.52 $726 23 West Virginia 16.06¢/kWh $61.59 $739 24 North Carolina 16.25¢/kWh $62.32 $747 25 Minnesota 16.39¢/kWh $62.86 $754 26 Colorado 16.54¢/kWh $63.43 $761 27 Mississippi 16.76¢/kWh $64.28 $771 28 Texas 16.99¢/kWh $65.16 $781 29 South Carolina 17.06¢/kWh $65.43 $785 30 Virginia 17.38¢/kWh $66.65 $799 31 Alabama 17.41¢/kWh $66.77 $801 32 Indiana 17.90¢/kWh $68.65 $823 33 Delaware 18.79¢/kWh $72.06 $864 34 Wisconsin 19.21¢/kWh $73.67 $883 35 Ohio 19.49¢/kWh $74.75 $896 36 Illinois 20.47¢/kWh $78.51 $941 37 Michigan 21.39¢/kWh $82.03 $984 38 Pennsylvania 21.47¢/kWh $82.34 $987 39 Maryland 22.07¢/kWh $84.64 $1015 40 New Jersey 23.53¢/kWh $90.24 $1082 41 Vermont 24.56¢/kWh $94.19 $1130 42 District of Columbia 25.41¢/kWh $97.45 $1169 43 New Hampshire 27.24¢/kWh $104.47 $1253 44 Alaska 27.35¢/kWh $104.89 $1258 45 Rhode Island 28.30¢/kWh $108.53 $1302 46 Maine 28.42¢/kWh $108.99 $1307 47 Massachusetts 29.45¢/kWh $112.94 $1354 48 New York 29.45¢/kWh $112.94 $1354 49 Connecticut 32.24¢/kWh $123.64 $1483 50 California 35.25¢/kWh $135.19 $1621 51 Hawaii 46.62¢/kWh $178.79 $2144 Browse by state (alphabetical)
Compare other appliances