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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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26-50 of 57 items listed First Previous Next Last
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Purchaser     
Seller		 Status Date
Complete		 Value
($M)
Ormat Industries International Power Plc Completed n/a
Oncor Electric Delivery Company InfraREIT, Inc. Pending 1,275
Oil & Natural Gas Corp. Imperial Energy PLC Unknown 2,600
Oglethorpe Power Corp. Hartwell Energy LP Completed 10/13/2009 149
Ormat Industries Florida Power & Light Company Completed 03/01/2001 20
Occidental Petroleum Corporation Exxon Mobil Corporation Completed 07/14/2011 972
Ocean Energy, Inc. EnSight Resources, L.L.C Completed 04/30/2001 118
Orion Systems Energy Developments Ltd. Completed n/a
Oglethorpe Power Corporation Effingham County Power Pending n/a
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
ONEOK, Inc. Dynegy Inc. Completed 02/01/2000 308
Optim Energy, LLC Dynegy Inc. Completed 08/01/2007 n/a
Oglethorpe Power Corp. Dynegy Inc. Completed 05/01/2009 105
Orion Power Holdings, Inc. Duquesne Light Holdings, Inc. Completed 1,700
Oklahoma Municipal Power Auth Duke Energy Corporation Completed 12/14/2000 n/a
Occidental Petroleum Corporation Dolphin Energy Limited (DEL) Unknown n/a
Oranje-Nassau Energie B.V. Devon Energy Inc Completed 206
Orsted Deepwater Wind LLC Pending 510
Origin Energy Contact Energy Unknown 750
Ormat Industries Constellation Energy Group, Inc. Completed 71
Ormat Industries Constellation Energy Group, Inc. Unknown 73
OMV UK Limited Conoco Inc. Completed 07/14/2011 28
Ohio Power Company Columbus Southern Power Company Completed n/a
Orion Power Holdings, Inc. Columbia Electric Corporation Completed 12/11/2000 200
26-50 of 57 items listed First Previous Next Last
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