Washington State is one of the Cheapest Energy States in America. Mega amounts of Hydro Power in Washington. Average Retail Price of Electricity by State Source: U.S. Energy Information Administration Census Division Residential Commercial cost by State New England 16.97 14.54 Connecticut 20.57 16.11 Maine 15.29 12.3 Massachusetts 15.89 14.44 New Hampshire 16.25 13.9 Rhode Island 15.11 13.59 Vermont 14.93 12.94 Middle Atlantic 14.47 12.69 New Jersey 15.63 13.07 New York 16.99 14.49 Pennsylvania 11.59 9.43 East North Central 10.78 8.84 Illinois 11.1 8.06 Indiana 9.15 7.9 Michigan 11.58 9.76 Ohio 10.61 9.54 Wisconsin 11.55 9.24 West North Central 8.57 6.93 Iowa 9.13 6.74 Kansas 9.56 7.79 Minnesota 9.57 7.57 Missouri 7.6 6.08 Nebraska 8.02 6.99 North Dakota 7.56 6.86 South Dakota 8.49 7.07 South Atlantic 11.31 9.64 Delaware 14.57 11.84 District of Columbia 12.66 13.18 Florida 12.43 10.81 Georgia 9.59 8.79 Maryland 14.23 11.48 North Carolina 10.16 8.01 South Carolina 10.64 9.03 Virginia 10.51 8 West Virginia 8.38 7.49 East South Central 9.21 8.8 Alabama 10.08 9.61 Kentucky 8.03 7.15 Mississippi 10.3 9.5 Tennessee 8.87 8.93 West South Central 10.83 8.72 Arkansas 9.28 7.42 Louisiana 7.52 7.28 Oklahoma 8.25 6.66 Texas 12.37 9.54 Mountain 9.78 8.45 Arizona 9.86 8.88 Colorado 10.4 8.85 Idaho 7.83 6.7 Montana 8.8 7.93 Nevada 13.72 10.64 New Mexico 9.6 8.26 Utah 8 6.48 Wyoming 8.53 7.36 Pacific Contiguous 11.88 10.88 California 14.6 12.24 Oregon 8.82 7.74 Washington 7.81 7.28 Pacific Noncontiguous 22.21 19.42 Alaska 16.73 14.27 Hawaii 26.23 23.92 U.S. Total 11.33