Source: Energy Information Agency, U.S. Department of Energy
| West Virginia | 96.91% |
| Kentucky | 93.65% |
| Indiana | 88.95% |
| Wyoming | 88.27% |
| Utah | 83.85% |
| Missouri | 83.43% |
| Ohio | 79.95% |
| North Dakota | 78.81% |
| New Mexico | 74.13% |
| Nebraska | 71.95% |
| Kansas | 70.27% |
| Colorado | 69.41% |
| Iowa | 68.29% |
| Wisconsin | 65.1% |
| Michigan | 54.59% |
| Montana | 52.88% |
| Oklahoma | 51.66% |
| Georgia | 51.6% |
| Minnesota | 51.54% |
| North Carolina | 51.31% |
| Arkansas | 51.03% |
| Maryland | 51.03% |
| Tennessee | 50.49% |
| Pennsylvania | 46.23% |
| Illinois | 45.55% |
| Texas | 43.06% |
| Arizona | 42.52% |
| Alabama | 40.72% |
| South Carolina | 33.46% |
| Louisiana | 33.42% |
| Virginia | 32.57% |
| Delaware | 29.88% |
| Florida | 28.14% |
| South Dakota | 24% |
| Mississippi | 22.87% |
| Nevada | 22.1% |
| Connecticut | 19.6% |
| Hawaii | 14.94% |
| New Hampshire | 12.46% |
| Massachusetts | 12.29% |
| California | 11.23% |
| Alaska | 9.04% |
| New Jersey | 8.01% |
| New York | 7.27% |
| Oregon | 5.97% |
| Washington | 5.07% |
| Maine | 0.88% |
| District of Columbia | 0 |
| Idaho | 0 |
| Rhode Island | 0 |
| Vermont | 0 |