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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 83 items listed First Previous Next Last
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Purchaser Seller Status  
Wentworth Energy Undisclosed Seller Completed 01/31/2006 n/a
Wentworth Energy Undisclosed Seller Completed 01/24/2006 n/a
Wayzata Investment Partners Mirant Corporation Completed 10/19/2005 n/a
WaveForm Energy Limited Undisclosed Seller Completed 10/13/2005 n/a
Western Wind Energy NextEra Energy, Inc. (formerly FPL Group, Inc.) Completed 09/07/2005 1
Welton Energy Corporation Era Oil & Gas Corporation Completed 09/06/2005 11
Woodside Petroleum Limited Gryphon Exploration Company Completed 09/01/2005 297
Wysak Inc. Undisclosed Seller Completed 07/28/2005 n/a
W&T Offshore, Inc. Undisclosed Seller Completed 07/08/2005 n/a
Whiting Petroleum Corporation Celero Energy, LP Completed 07/01/2005 802
Wysak Inc. Undisclosed Seller Completed 06/21/2005 n/a
Watch Resources Limited Energy 51 Inc. Completed 05/24/2005 n/a
Whiting Petroleum Corporation Undisclosed Seller Completed 03/31/2005 65
Whiting Petroleum Corporation Undisclosed Seller Completed 01/18/2005 19
Western Gas Resources Inc Undisclosed Seller Completed 10/01/2004 82
WPS Energy Services, Inc. Advantage Energy, Inc. Completed 07/01/2004 n/a
Wexford Capital LLC American Electric Power Company, Inc. (AEP) Completed 04/16/2004 n/a
Wisconsin Public Service Corporation Calpine Corporation Completed 12/17/2002 120
Wyoming Oil & Minerals, Inc. NRG Resources Completed 06/04/2002 n/a
Williams Energy Partners L.P. Williams Pipe Line Completed 04/11/2002 1,000
Williams Energy Partners L.P. Midwestern Aux Sable Completed 01/02/2002 9
Woodward Marketing, LLC Innovative Gas Services (IGS) Completed 12/13/2001 n/a
Wisconsin Public Service Corporation MGE Energy Completed 09/24/2001 n/a
Williams Companies, Inc Barrett Resources Corporation Completed 08/03/2001 2,500
Wisconsin Public Service Corporation Wisconsin Fuel and Light Completed 04/02/2001 55
26-50 of 83 items listed First Previous Next Last
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