Amit's data tools
WattCost
680 certified models

What a water heater
costs to run

$197.01 a year A typical ENERGY STAR certified water heater uses 1,015 kWh a year, which at the US average residential price of 19.41¢ per kWh is $197.01 a year.

Where you live changes that a lot: the same appliance costs $125.35 a year in Idaho and $527.80 in Hawaii.

Typical use1,015kWh per year
US average cost$197.01per year
Best model643kWh per year
Worst model1,741kWh per year

Cost in every state

StatePrice per kWhCost per yearPer 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.

Most efficient certified models

#ModelkWh/yrCost/yrvs typical
1 Friedrich PROH40 T2 FD400-15 · Hybrid/Electric Heat Pump 643$124.81 saves $72.21
2 Rheem CPROPH40 T2 RH400-15 · Hybrid/Electric Heat Pump 643$124.81 saves $72.21
3 Rheem CXE40T10H22U1 · Hybrid/Electric Heat Pump 643$124.81 saves $72.21
4 Rheem ECEPH40 T2 RH400-15 · Hybrid/Electric Heat Pump 643$124.81 saves $72.21
5 Rheem PROPH40 T2 RH375-15 · Hybrid/Electric Heat Pump 643$124.81 saves $72.21
6 Rheem PROPH40 T2 RH400-15 · Hybrid/Electric Heat Pump 643$124.81 saves $72.21
7 Rheem XE40T10H22U0 · Hybrid/Electric Heat Pump 643$124.81 saves $72.21
8 Rheem XE40T10H22U1 · Hybrid/Electric Heat Pump 643$124.81 saves $72.21
9 Richmond 10CE40-HP5U15 · Hybrid/Electric Heat Pump 643$124.81 saves $72.21
10 Richmond 10E40-HP515 · Hybrid/Electric Heat Pump 643$124.81 saves $72.21
11 Richmond 10E40-HP5U15 · Hybrid/Electric Heat Pump 643$124.81 saves $72.21
12 Ruud PROUH40 T2 CD400-15 · Hybrid/Electric Heat Pump 643$124.81 saves $72.21
13 Ruud PROUH40 T2 RU375-15 · Hybrid/Electric Heat Pump 643$124.81 saves $72.21
14 Ruud PROUH40 T2 RU400-15 · Hybrid/Electric Heat Pump 643$124.81 saves $72.21
15 Eco-Logical OMNI-50HP1-1A · Hybrid/Electric Heat Pump 681$132.18 saves $64.83
16 GE Profile PF40S10FPY01 · Hybrid/Electric Heat Pump 724$140.53 saves $56.48
17 GE Profile PJ40S10FPY01 · Hybrid/Electric Heat Pump 724$140.53 saves $56.48
18 Eco-Logical OMNI-50HP2-1A · Hybrid/Electric Heat Pump 769$149.26 saves $47.75
19 GE Profile PH40S10BPY01 · Hybrid/Electric Heat Pump 773$150.04 saves $46.97
20 GE Profile PK50S10FNY01 · Hybrid/Electric Heat Pump 773$150.04 saves $46.97
21 Friedrich PROH40 T0 FD120-M · Hybrid/Electric Heat Pump 780$151.40 saves $45.61
22 Friedrich PROH40 T0 FD120-MSO · Hybrid/Electric Heat Pump 780$151.40 saves $45.61
23 Rheem PROPH40 T0 RH120-M · Hybrid/Electric Heat Pump 780$151.40 saves $45.61
24 Rheem PROPH40 T0 RH120-MSO · Hybrid/Electric Heat Pump 780$151.40 saves $45.61
25 Rheem XE40T10HM00U0 · Hybrid/Electric Heat Pump 780$151.40 saves $45.61

Priced at the US average of 19.41¢/kWh. Pick your state above for local figures.

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