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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 39 items listed First Previous Next Last
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Purchaser Seller Status  
Date
Complete
Value
($M)
Otter Tail Power Company EDF Renewables North America Completed 07/18/2019 n/a
Ontario Power Generation Eagle Creek Renewable Energy, LLC Completed 11/30/2018 224
Ormat Industries Viridity Energy, Inc. Completed 03/16/2017 35
OMV UK Limited Conoco Inc. Completed 07/14/2011 28
Occidental Petroleum Corporation Exxon Mobil Corporation Completed 07/14/2011 972
Oglethorpe Power Corporation KGen Power Corporation Completed 04/08/2011 531
Occidental Petroleum Corporation Sempra Generation Completed 12/31/2010 179
Oglethorpe Power Corp. Hartwell Energy LP Completed 10/13/2009 149
Oglethorpe Power Corp. Dynegy Inc. Completed 05/01/2009 105
Optim Energy, LLC Dynegy Inc. Completed 08/01/2007 n/a
ONEOK, Inc. Westar Energy Inc Completed 10/31/2006 53
ONEOK, Inc. Koch Industries Completed 07/01/2005 1,350
ONEOK, Inc. CCE Holdings LLC Completed 11/18/2004 175
Oklahoma Gas and Electric Company NRG McClain LLC Completed 07/13/2004 160
Ormat Industries Steamboat Development Corp Completed 05/23/2004 20
Oil Search Limited Chevron Niugini Ltd. (CNGL) Completed 07/21/2003 n/a
Ontario Hydro Services Co. Brookfield Asset Management Inc. Completed 03/08/2002 340
Ocean Energy, Inc. EnSight Resources, L.L.C Completed 04/30/2001 118
Ormat Industries Florida Power & Light Company Completed 03/01/2001 20
Oklahoma Municipal Power Auth Duke Energy Corporation Completed 12/14/2000 n/a
Orion Power Holdings, Inc. Columbia Electric Corporation Completed 12/11/2000 200
ONEOK, Inc. Dynegy Inc. Completed 02/01/2000 308
Ohio Edison Company Centerior Energy Completed 11/07/1997 1,600
Orion Power Holdings, Inc. Duquesne Light Holdings, Inc. Completed 1,700
Ontario Hydro Services Co. Thorold, City of Completed n/a
1-25 of 39 items listed First Previous Next Last
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