EEI > Issues & Policy > Generation > Fuel Diversity
Yes
Yes
Fuel Diversity

America's electric companies rely on a variety of domestic fuels to generate electricity. Fuel diversity helps to protect electric companies and their customers from contingencies such as fuel unavailability, fuel price fluctuations, and changes in regulatory practices that can drive up the cost of a particular fuel. Fuel diversity also helps to ensure stability and reliability in electricity supply and strengthens national security.

The industry relies on a variety of fuels for power generation. No individual fuel is capable of providing the energy to meet all of our nation's electricity demands. In 2014: 

  • Coal provided 38.7 of our nation's electricity; 
  • Natural gas supplied 27.4 percent; 
  • Nuclear generation produced 19.5 percent; 
  • Hydro provided 6.2 percent of the supply; 
  • Non-hydro renewables produced 6.9 percent; and
  • Fuel oil provided 0.7 percent of the generation mix.
The electricity generation mix differs from state to state and region to region, depending on the availability and cost of fuels located there. Major changes in the generation mix can have economic impacts, especially on a regional basis.
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