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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 66 items listed First Previous Next Last
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Purchaser Seller Status  
Date
Complete
Value
($M)
US Solar Fund Plc Southern Current LLC Completed 06/04/2020 n/a
US Solar Fund Plc Longroad Energy Partners LLC Completed 09/03/2019 n/a
U.S. Geothermal Inc. Ram Power Corp. Completed 04/30/2014 n/a
US Power Generating Company Tenaska Capital Management, LLC Completed 12/06/2013 n/a
Unit Corporation Noble Energy Inc. Completed 09/18/2012 594
UIL Holdings Corporation Iberdrola SA Completed 11/16/2010 1,296
Undisclosed Buyer Integrys Energy Services, Inc. Completed 06/07/2010 n/a
Undisclosed Buyer Petrohawk Energy Corporation Completed 05/24/2010 376
US Infrastructure LP Gastar Exploration Limited Completed 11/17/2009 22
Undisclosed Buyer Epsilon Energy Ltd. Completed 10/16/2009 13
Undisclosed Buyer Diaz Resources Ltd. Completed 09/16/2009 1
Undisclosed Buyer Omni Oil and Gas, Inc. Completed 06/13/2008 1
Undisclosed Buyer Petroleum Development Corporation Completed 12/31/2007 35
Union Gas Midway Petroleum Company Completed 11/27/2007 n/a
Undisclosed Buyer Clayton Williams Energy, Inc. Completed 11/07/2007 21
Undisclosed Buyer El Paso Corporation Completed 11/01/2007 752
Undisclosed Buyer Calpine Corp Completed 11/21/2006 112
UGI Energy Services, Inc. PG Energy Services Inc Completed 08/24/2006 580
Undisclosed Buyer Aurado Energy Inc. Completed 10/13/2005 4
Unit Corporation Texas Wyoming Drilling, Inc. Completed 08/31/2005 32
Undisclosed Buyer Clayton Williams Energy, Inc. Completed 08/24/2005 21
Undisclosed Buyer CONSOL Energy Inc. Completed 08/11/2005 n/a
Undisclosed Buyer Energy Transfer Partners, LP Completed 07/26/2005 106
Ur-Energy Inc. Aspen Exploration Corporation Completed 04/28/2005 n/a
Undisclosed Buyer Assure Energy Inc. Completed 04/22/2005 6
1-25 of 66 items listed First Previous Next Last
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