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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 3147 items listed First Previous Next Last
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Purchaser
Seller Status Date
Complete
Value
($M)
Woodward Marketing, LLC Innovative Gas Services (IGS) Completed 12/13/2001 n/a
Woodside Petroleum Limited Gryphon Exploration Company Completed 09/01/2005 297
Woodside Petroleum Limited Energy Partners Failed 880
Wolverine Power Supply Cooperative Inc FirstEnergy Generation Corporation Completed 03/31/2010 n/a
Wolverine Power Supply Cooperative Inc FirstEnergy Generation Corporation Completed 12/31/2010 n/a
Wisconsin Public Service Corporation Consolidated Papers, Inc. Completed 08/25/2000 n/a
Wisconsin Public Service Corporation Wisconsin Fuel and Light Completed 04/02/2001 55
Wisconsin Public Service Corporation Calpine Corporation Completed 12/17/2002 120
Wisconsin Public Service Corporation MGE Energy Completed 09/24/2001 n/a
Wisconsin Public Service Corporation Fox Energy Company LLC Unknown 440
Wisconsin Power & Light Company Wind Capital Group, LLC Completed n/a
Wisconsin Power & Light Company Alliant Energy Resources, Inc. Completed 06/01/2009 92
Wisconsin Power & Light Company Wisconsin Electric Power Company Completed 03/01/2011 n/a
Wisconsin Power & Light Company Riverside Energy Center, LLC Completed 01/02/2013 392
Wisconsin Energy Corporation Integrys Energy Group, Inc. Completed 04/08/2015 5,700
Wisconsin Energy Corporation NextEra Energy, Inc. (formerly FPL Group, Inc.) Completed 27
Wisconsin Energy Corporation WICOR, Inc. Completed 04/26/2000 1,275
Wisconsin Energy Corporation ESELCO Inc Completed 05/29/1998 71
Winter Park, City of Progress Energy, Inc. Unknown n/a
Wind Energy America, Inc. Northern Alternative Energy Completed n/a
Wind Energy America, Inc. Boreal Energy Inc. Unknown n/a
Williams Partners L.P. Caiman Eastern Midstream LLC Completed 04/30/2012 2,500
Williams Partners L.P. Delphi Midstream Partners, LLC (DMP) Completed 02/21/2012 750
Williams Partners L.P. Williams Companies, Inc Completed 11/23/2010 782
Williams Partners L.P. Williams Companies, Inc Completed 12/13/2006 1,200
26-50 of 3147 items listed First Previous Next Last
E-mail us if M&A record is out of date
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