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Home > Industry Data > Industry Mergers & Acquisitions

Industry Mergers & Acquisitions - Updated 07/16/21

Below is a list of major energy (electric power) mergers and acquisitions since 1985 and all others since 1996. Type in a keyword for a specific search of purchasers and sellers. Using the pull-down menu, you may sort by purchaser, seller, status or date complete. The same pull-down allows you to filter by location or merger type to narrow your results. To view purchasers within a specific alpha section, click the desired letter below.

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1-25 of 69 items listed First Previous Next Last
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Purchaser Seller     
Holyoke Water Power Company Holyoke Gas & Electric Co Unknown 18
Helmerich & Payne, Inc. Key Production Company, Inc. Unknown 600
High Point Gas Transmission, LLC Southern Natural Gas Company Unknown n/a
Hutchison Whampoa Panva Gas Holdings Unknown n/a
Highstar Renewable Fuels LLC Duke/UAE Ref-Fuel Unknown n/a
Heartland Oil and Gas Corporation Evergreen Resources Unknown 22
Hess Corp. Delta Energy Center LLC Unknown n/a
Hawker Resources Inc. Iteration Energy Inc. Unknown n/a
Hiland Partners LP Hiland Partners LLC Unknown 95
Husky Energy Inc. Undisclosed Seller Unknown 50
Houston American Energy Corporation Undisclosed Seller Unknown n/a
Halcon Resources Corp. GeoResources Inc. Unknown 1,000
Holtec International Exelon Generation Co LLC Pending n/a
Hilco Redevelopment Partners NRG Energy Pending n/a
Hydro One Inc. Avista Corporation Pending 6,700
Hunt Oil Canadian Acquisition II Corporation Berkley Petroleum Corp. Failed 02/13/2001 n/a
High Plains Diversified Energy Corp. Constellation Energy Group Failed 185
High Plains Diversified Energy Corp. PSEG Power LLC Failed 344
High Plains Energy Inc. Action Energy Inc. Completed n/a
Horizon Wind Energy Columbia Energy Partners Completed 02/19/2007 n/a
Helios Infrastructure Cypress Creek Renewables Completed 08/20/2020 200
Hansen Technologies Enoro Completed 07/01/2017 n/a
Hull Street Energy LLC Eversource Completed 10/17/2017 83
Hull Street Energy LLC ENGIE Generation North America LLC Completed 06/11/2021 n/a
Hull Street Energy LLC Foundation Solar Partners Completed 07/07/2021 n/a
1-25 of 69 items listed First Previous Next Last
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