Cheapest States to Run a Garage Door Opener
#1: North Dakota at $1/year. Hawaii households pay 3.8× as much. For each state we compute the annual running cost of a garage door opener using its nameplate 350 W, 0.05 hours/day, 365 days/year. States are ranked by total annual cost. State electricity prices come from the U.S. Energy Information Administration’s Electric Power Monthly, Table 5.6.A (April 2026). See our methodology for the full formula.Rank State Rate (¢/kWh) Annual cost 1 North Dakota 12.35 $1/year 2 Idaho 12.70 $1/year 3 Nebraska 13.28 $1/year 4 Oklahoma 13.31 $1/year 5 Utah 13.29 $1/year 6 Iowa 13.86 $1/year 7 Missouri 14.01 $1/year 8 Montana 13.90 $1/year 9 Arkansas 14.16 $1/year 10 Nevada 14.29 $1/year 11 Louisiana 14.44 $1/year 12 Washington 14.36 $1/year 13 South Dakota 14.52 $1/year 14 Wyoming 14.68 $1/year 15 Tennessee 14.94 $1/year 16 Kentucky 15.02 $1/year 17 New Mexico 15.15 $1/year 18 Florida 15.38 $1/year 19 Georgia 15.37 $1/year 20 Arizona 15.48 $1/year 21 Kansas 15.78 $1/year 22 Oregon 15.78 $1/year 23 West Virginia 16.06 $1/year 24 North Carolina 16.25 $1/year 25 Minnesota 16.39 $1/year 26 Colorado 16.54 $1/year 27 Mississippi 16.76 $1/year 28 South Carolina 17.06 $1/year 29 Texas 16.99 $1/year 30 Alabama 17.41 $1/year 31 Virginia 17.38 $1/year 32 Indiana 17.90 $1/year 33 Delaware 18.79 $1/year 34 Wisconsin 19.21 $1/year 35 Ohio 19.49 $1/year 36 Illinois 20.47 $1/year 37 Michigan 21.39 $1/year 38 Pennsylvania 21.47 $1/year 39 Maryland 22.07 $1/year 40 New Jersey 23.53 $2/year 41 Vermont 24.56 $2/year 42 District of Columbia 25.41 $2/year 43 New Hampshire 27.24 $2/year 44 Alaska 27.35 $2/year 45 Rhode Island 28.30 $2/year 46 Maine 28.42 $2/year 47 Massachusetts 29.45 $2/year 48 New York 29.45 $2/year 49 Connecticut 32.24 $2/year 50 California 35.25 $2/year 51 Hawaii 46.62 $3/year How we calculated this