Electric Power Monthly

Data for May 2017  |  Release Date: July 25, 2017  |  Next Release: August 24, 2017 
|  full report  |  Re-release date: July 31, 2017   |  Revision

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SAS Output
Table 6.7.A. Capacity Factors for Utility Scale Generators Primarily Using Fossil Fuels, January 2013-May 2017

  Coal Natural Gas Petroleum
Period
Natural Gas Fired Combined Cycle Natural Gas Fired Combustion Turbine Steam Turbine Internal Combustion Engine Steam Turbine
Petroleum Liquids Fired Combustion Turbine
Internal Combustion Engine
Annual Factors
2013 59.7% 48.2% 4.9% 10.6% 6.1% 12.1% 0.8% 2.2%
2014 61.0% 48.3% 5.2% 10.4% 8.5% 12.5% 1.1% 1.4%
2015 54.7% 55.9% 6.9% 11.5% 8.9% 13.3% 1.1% 2.2%
2016 52.7% 56.0% 8.3% 12.2% NA 10.8% 1.3% NA
Year 2015
January 61.3% 52.6% 4.4% 7.6% 5.2% 12.4% 0.6% 2.5%
February 64.9% 52.2% 6.2% 9.9% 5.7% 22.8% 1.9% 3.1%
March 50.3% 50.7% 5.2% 8.3% 8.5% 7.9% 0.6% 1.9%
April 43.3% 47.9% 5.7% 9.4% 6.6% 12.0% 0.9% 2.2%
May 49.8% 50.2% 6.7% 9.3% 8.7% 12.6% 1.1% 2.0%
June 62.6% 61.5% 8.3% 13.7% 11.2% 12.0% 1.0% 2.0%
July 66.8% 67.2% 10.7% 19.4% 12.3% 15.5% 1.3% 2.4%
August 64.9% 66.9% 8.9% 19.0% 12.3% 14.8% 1.2% 2.4%
Sept 58.7% 61.4% 8.2% 14.2% 9.8% 15.9% 1.2% 2.1%
October 47.0% 53.6% 6.7% 10.5% 8.1% 14.5% 1.0% 2.1%
November 43.9% 50.9% 7.0% 8.4% 8.6% 10.5% 1.9% 1.8%
December 43.6% 54.6% 5.0% 8.5% 8.5% 9.7% 1.1% 2.0%
Year 2016
January 55.6% 56.8% 4.5% 6.3% NA 9.4% 0.5% NA
February 48.4% 54.1% 4.5% 6.4% NA 9.9% 0.5% NA
March 35.6% 50.8% 7.2% 9.9% NA 8.3% 1.3% NA
April 37.3% 48.1% 8.6% 12.1% NA 9.1% 1.0% NA
May 41.1% 53.2% 7.6% 12.5% NA 10.6% 1.3% NA
June 60.8% 64.7% 10.0% 17.5% NA 12.5% 1.5% NA
July 69.1% 68.8% 14.3% 22.9% NA 16.1% 2.5% NA
August 68.6% 71.3% 14.3% 21.2% NA 14.3% 3.1% NA
Sept 59.7% 61.4% 9.4% 14.5% NA 12.2% 1.4% NA
October 50.2% 48.1% 7.6% 11.4% NA 8.2% 1.1% NA
November 45.5% 47.0% 6.6% 6.0% NA 9.3% 0.7% NA
December 60.2% 47.8% 4.7% 5.4% NA 9.4% 0.6% NA
Year 2017
January 58.6% 50.6% 5.8% 4.1% NA 10.0% 1.4% NA
February 48.7% 48.6% 6.1% 3.6% NA 8.9% 1.8% NA
March 45.4% 48.1% 8.5% 8.2% NA 12.1% 2.1% NA
April 43.4% 45.7% 7.2% 8.9% NA 9.0% 1.3% NA
May 48.3% 49.5% 8.6% 9.7% NA 15.0% 2.6% NA

Values for 2015 and prior years are final. Values for 2016 and 2017 are preliminary. NA = Not Available
Sources: U.S. Energy Information Administration, Form EIA-923, Power Plant Operations Report; U.S. Energy Information Administration, Form EIA-860, 'Annual Electric Generator Report' and Form EIA-860M, 'Monthly Update to the Annual Electric Generator Report.'