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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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Purchaser |

Seller |
Status |
 |
Date Complete |
Value ($M) |
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 |
|