Most U.S. states are adding electricity generation capacity faster than capacity is being retired. Renewable energy adds the most capacity in 18 states.
natural gas
The Evolution of U.S. Electricity Generation Capacity
The capacity to generate electricity has transitioned from coal to natural gas to renewable energy, a trend projected to continue.
Outcomes of Higher Federal Coal and Natural Gas Royalty Rates
Analysis shows that proposed federal royalty reforms will increase the cost of delivering natural gas to domestic power plants by a greater amount than coal.