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Industry Data

Statistical Highlights

EEI maintains comprehensive statistical data on the electric power industry and investor-owned electric companies. Below are quick statistical highlights providing an overview of the industry. For more detailed information, see Products and Services.


  • Total installed generating capacity in the United States was 1,202,783 megawatts (MW) as of December 31, 2018, an increase of 20,047 MW over year-end 2017 capacity totals.  19,767 MW of natural gas generating capacity was added in 2018 along with 6,026 MW of wind capacity and 4,199 MW of universal solar capacity.
  • A total of 12,655 MW of coal generating capacity was retired in 2018.
  • The investor-owned electric company generating capacity decreased by 0.5 percent in 2018 and accounted for 32 percent of total U.S. installed capacity.  
  • Non-utility owned installed generating capacity grew from 538,811 MW in 2017 to 559,470 MW in 2018, an increase of 3.8 percent.


  • In 2018, total U.S. electricity generation was 4,177,810 gigawatt-hours (GWh)—an increase of 3.6 percent  from 2017.    
  • U.S. investor-owned electric companies accounted for 1,516,629 GWh, or 37.8 percent, of total U.S. electricity generation. 
  • Electricity generation at non-utility-owned plants totaled 1,852,598 GWh, accounting for 44.3 percent of the total electricity generation in the United States.
  • Read more about electricity generation

Fuel Mix

2018 National Fuel Mix (preliminary)
  • Coal provided 27.2 percent of our nation's electricity.
  • Natural gas supplied 34.9 percent.
  • Nuclear energy produced 19.2 percent.
  • Hydropower provided 6.9 percent of the supply.
  • Other renewable resources, such as geothermal, solar, and wind, provided 10.7 percent.
  • Fuel oil provided 0.6 percent of the generation mix.
  • Other miscellaneous sources provided 0.5 percent.
  • Learn more about these diverse fuels.

Emission Reductions

  • By the end of 2018, industry CO2 emissions were 27 percent below 2005 levels, driven in part by low natural gas prices, increased deployment of renewable generation and customer demands.
  • Since 1990, the industry has cut sulfur dioxide (SO2) emissions by 92 percent and nitrogen oxides (NOx) emissions by 84 percent.
  • EPA projects that power sector mercury emissions will be reduced by approximately 90 percent due to its Mercury and Air Toxics Standards (MATS) and other Clean Air Act regulations.
  • Read more about our industry's efforts to address climate issues.  

Customers, Sales, and Revenues

  • In 2018, the average number of ultimate customers served by the electric power industry totaled 153,308,948—a 1.0 percent increase from 2017.    
  • The average annual electricity use per customer was 24,792 kilowatt-hours (kWh).  
  • Total electric company revenues from sales to ultimate customers equaled $402 billion—a 3.1 percent increase from 2017. 
  • In 2018, the average price of electricity to retail customers was 10.58 cents/kWh.


  • ​​In 2018, total energy operating revenues of investor-owned electric companies were $366 billion.
  • Consolidated holding company-level assets of investor-owned electric companies were $1,625 billion as of December 31, 2018.
  • Of these assets, $1,053 billion were net property in service.
  • Total market capitalization of U.S. investor-owned electric companies was $731 billion on December 31, 2018.
  • More Industry Financial Analysis.


  • In 2017, investor-owned electric companies spent $21.9 billion on transmission investment, compared to $20.6 billion in 2016 (in nominal dollars), and were projected to spend $23.7 billion in 2018.
  • Investor-owned electric companies are planning to invest approximately $89 billion on transmission construction between 2018 and 2021 (in nominal dollars).  
  • Read more about the electricity transmission system.


  • In 2017, investor-owned electric companies spent $28.8 billion on distribution investment, compared to $26.9 billion in 2016 (in nominal dollars).

  • Between 2013 and 2017, investor-owned electric companies invested $125 billion (in nominal dollars) on the U.S. distribution system.

  • Read more about the electricity distribution system​.

Forecast Data

  • According to the Energy Information Administration's Annual Energy Outlook 2019, total electric power industry capacity in the United States is forecast to increase a total of 40 percent between 2019 and 2050. Coal capacity is expected to decrease 35 percent over the same time period, retiring 90 gigawatts (GW) of capacity within the total electric power sector. Renewable sources increase their generating capacity by 95 percent over the 2019 to 2050 forecast period.
  • Electricity demand is projected to increase 31 percent from 2019 to 2050, an annual rate of 0.9 percent.