This chart from Visual Capitalist, shows the percentage of power generated from renewable resources in each state. The red states are red because they are still burning fossil fuels to produce energy. For example, look at the coal belt in the Appalachian and Ohio valley region. The blue states at the county's northern corners are appropriately blue because they use predominantly renewable resources for electric power generation:
The chart shows that there is a long way to go before the US reaches a point where it can genuinely declare itself to be "energy independent".