U.S. Energy Information Administration logo
Skip to sub-navigation

Preliminary Monthly Electric Generator Inventory (based on Form EIA-860M as a supplement to Form EIA-860)

Release Date: September 24, 2024 Next Release Date: October 24, 2024
Go Back

The monthly survey Form EIA-860M, Monthly Update to Annual Electric Generator Report supplements the annual survey form EIA-860 data with monthly information that monitors the current status of existing and proposed generating units at electric power plants with 1 megawatt or greater of combined nameplate capacity. EIA estimates the current and near-term unit inventory of electric power generating capacity by integrating the information on these surveys along with ongoing EIA research of new units. However, creating this monthly estimate sometimes requires the use of data submitted on the annual EIA-860 before it has been fully verified by EIA. For this reason, reported capacities are EIA's preliminary estimates of capacity for that month. Estimates will be corrected without specific acknowledgment or explanation in subsequent month's inventory.

Starting with March 2017 data, the Preliminary Monthly Electric Generator Inventory includes a comprehensive list of generators which retired since 2002. The list is available on the Retired tab of the datafile.

Starting with March 2018 data, the Preliminary Monthly Electric Generator Inventory also includes data from Puerto Rico for existing, retired, and proposed generating units at electric power plants with combined nameplate capacity of 1 megawatt or greater.

Capacities reported in this preliminary inventory are best estimates of current generating capacity, but are not meant to be capacity commitments by the associated facilities.

The final inventory of generators is published each year with the annual EIA-860.

  • EIA 860M

Expand all Collapse all

2024

August 2024 XLS
July 2024 XLS
June 2024 XLS
May 2024 XLS
April 2024 XLS
March 2024 XLS
February 2024 XLS
January 2024 XLS

2023

December 2023 XLS
November 2023 XLS
October 2023 XLS
September 2023 XLS
August 2023 XLS
July 2023 XLS
June 2023 XLS
May 2023 XLS
April 2023 XLS
March 2023 XLS
February 2023 XLS
January 2023 XLS

2022

December 2022 XLS
November 2022 XLS
October 2022 XLS
September 2022 XLS
August 2022 XLS
July 2022 XLS
June 2022 XLS
May 2022 XLS
April 2022 XLS
March 2022 XLS
February 2022 XLS
January 2022 XLS

2021

December 2021 XLS
November 2021 XLS
October 2021 XLS
September 2021 XLS
August 2021 XLS
July 2021 XLS
June 2021 XLS
May 2021 XLS
April 2021 XLS
March 2021 XLS
February 2021 XLS
January 2021 XLS

2020

December 2020 XLS
November 2020 XLS
October 2020 XLS
September 2020 XLS
August 2020 XLS
July 2020 XLS
June 2020 XLS
May 2020 XLS
April 2020 XLS
March 2020 XLS
February 2020 XLS
January 2020 XLS

2019

December 2019 XLS
November 2019 XLS
October 2019 XLS
September 2019 XLS
August 2019 XLS
July 2019 XLS
June 2019 XLS
May 2019 XLS
April 2019 XLS
March 2019 XLS
February 2019 XLS
January 2019 XLS

2018

December 2018 XLS
November 2018 XLS
October 2018 XLS
September 2018 XLS
August 2018 XLS
July 2018 XLS
June 2018 XLS
May 2018 XLS
April 2018 XLS
March 2018 XLS
February 2018 XLS
January 2018 XLS

2017

December 2017 XLS
November 2017 XLS
October 2017 XLS
September 2017 XLS
August 2017 XLS
July 2017 XLS
June 2017 XLS
May 2017 XLS
April 2017 XLS
March 2017 XLS
February 2017 XLS
January 2017 XLS

2016

December 2016 XLS
November 2016 XLS
October 2016 XLS
September 2016 XLS
August 2016 XLS
July 2016 XLS
June 2016 XLS
May 2016 XLS
April 2016 XLS
March 2016 XLS
February 2016 XLS
January 2016 XLS

2015

December 2015 XLS
November 2015 XLS
October 2015 XLS
September 2015 XLS
August 2015 XLS
July 2015 XLS

Codes

Codes XLS