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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 1,190,742 megawatts as of December 31, 2016.
  • The investor-owned electric company generating capacity decreased by 1.1 percent, and accounted for 34 percent of total installed capacity. 
  • Non-utility owned installed generating capacity grew from 513,309 MW in 2015 to 537,615 in 2016, an increase of 4.7 percent.


  • In 2016, total U.S. electricity generation was 4,078,670 gigawatt-hours (GWh)—an increase of 00.3 percent  from 2015.    
  • U.S. investor-owned electric companies accounted for 1,509,108  GWh, or 37.0 percent, of total U.S. electricity generation. 
  • Electricity generation at non-utility-owned plants totaled 1,737,513  GWh, accounting for 42.6 percent of the total electricity generation in the United States.
  • Read more about electricity generation

Fuel Mix

2016 National Fuel Mix
  • Coal provided 30.4 percent of our nation's electricity.
  • Natural gas supplied 33.8 percent.
  • Nuclear energy produced 19.7 percent.
  • Hydropower provided 6.5 percent of the supply.
  • Other renewable resources, such as geothermal, solar, and wind, provided 8.4 percent.
  • Fuel oil provided 0.6 percent of the generation mix.
  • Other miscellaneous sources provided 0.6 percent.
  • Learn more about these diverse fuels.

Emission Reductions

  • As of 2016, industry CO2 emissions were nearly 25 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 91 percent and nitrogen oxides (NOx) emissions by 82 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.

Energy Efficiency

  • From 1989-2012, electric company efficiency programs saved 1,403 billion kilowatt-hours (kWh) of electricity.
  • In 2012 alone, electric company energy efficiency programs saved 124.6 billion kWh of electricity—or enough to power nearly 11.5 million average U.S. homes for one year.
  • Learn more about the electric power industry's energy-efficiency efforts.

Customers, Sales, and Revenues

  • In 2016, the average number of ultimate customers served by the electric powe industry totaled 150,044,409—a 0.9 percent increase from 2015.    
  • The average annual electricity use per customer was 24,731 kilowatt-hours (kWh).  
  • Total electric company revenues from sales to ultimate customers equaled $381 billion—a 2.5 percent decrease from 2015. 
  • In 2016, the average price of electricity to retail customers was 10.28 cents/kWh.


  • In 2015, total energy operating revenues of investor-owned electric companies were $355 billion.
  • Consolidated holding company-level assets of investor-owned electric companies were $1,419 billion as of December 31, 2015.
  • Of these assets, $898 billion were net property in service.
  • Total market capitalization of U.S. investor-owned electric companies was $577 billion on December 31, 2015.
  • Read more financial statistics in EEI's Financial Review.


  • In 2015, investor-owned electric companies spent $20.1 billion on transmission investment, compared to $19.5 billion in 2014 (in nominal dollars), and are projected to spend $21.5 billion in 2016.
  • Investor-owned electric companies are planning to invest approximately $84 billion on transmission construction between 2016 and 2019 (in nominal dollars).  
  • Read more about the electricity transmission system.
  • Access Construction Expenditure Data from the investor-owned electric company sector.

Forecast Data

  • According to the Energy Information Administration's Annual Energy Outlook 2017, total electric power industry capability in the United States is forecast to increase a total of 20 percent from 2017 through 2040.  Coal capability is expected to decrease 35 percent, retiring over 90  gigawatts of capability, within the total electric power sector.  Renewable sources increase their capability by 117 percent over the 2017 to 2040 forecast period.
  • Electricity demand is projected to increase 19 percent from 2017 to 2040, an annual rate of 0.8 percent.​​