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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 165 items listed First Previous Next Last
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Status Date
NRG Energy, Inc. York Research Corporation Completed 140
Northeast Utilities (NU) Yankee Energy System, Inc. Completed 03/01/2000 679
New Century Energy Corporation Wishbone Field Unknown n/a
NRG Energy, Inc. Wisconsin Energy Corporation Completed 325
Navigo Energy Inc. Winter Petroleum Limited Unknown 12
NuWay Energy Inc. Westlinks Resources, Ltd. Completed 09/18/2001 n/a
National Fuel Gas Co. Welch Foods Inc. Completed 04/30/2001 25
North American Energy Resources, Inc. Washington Gathering System Completed 09/16/2009 n/a
NUI Corporation Virginia Gas Company Failed 03/28/2001 22
Norsk Hydro ASA VAW Systems Limited Unknown n/a
NRG Energy, Inc. VATTENFALL AB Completed 35
New Horizon Uranium Corporation Undisclosed Seller Completed n/a
NuVista Energy Limited Undisclosed Seller Unknown 47
NuVista Energy Limited Undisclosed Seller Completed 150
New Century Energy Corporation Undisclosed Seller Completed 07/01/2005 n/a
New Century Energy Corporation Undisclosed Seller Completed 04/01/2005 n/a
Natural Gas Systems, Inc. Undisclosed Seller Completed 02/03/2005 1
NIPSCO Industries, Inc. Undisclosed Seller Completed 04/16/1999 150
Northwestern Energy Corporation Undisclosed Seller Completed 09/22/2010 11
NRG Energy, Inc. Undisclosed Seller Completed 06/15/2010 n/a
Natural Gas Corporation of California TransAlta Corporation Completed 11/01/2000 1,000
NIPSCO Industries, Inc. TPC Corporation Completed 02/16/1999 n/a
NRG Energy, Inc. Texas Genco LLC Completed 02/02/2006 7,100
Noble Energy Inc. Teton Energy Corporation Completed 02/01/2009 4
Nuclear Development LLC Tennesse Valley Public Power Association Completed 11/14/2016 111
1-25 of 165 items listed First Previous Next Last
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