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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) |
ArcLight Capital Partners, LLC |
York Greenpower Corporation |
Completed |
 |
|
n/a |
ATCO Midstream |
Wolcott Gas Processing Ltd. |
Completed |
 |
05/01/2001 |
n/a |
AIG Highstar Capital, L.P. |
Williams Gas Pipelines Central Inc. |
Completed |
 |
|
n/a |
Anadarko Petroleum Corporation |
Western Gas Resources Inc |
Completed |
 |
08/23/2006 |
4,800 |
ABN AMRO Bank |
Westar Energy Inc |
Completed |
 |
|
n/a |
Allegheny Energy, Inc. |
West Virginia Power |
Completed |
 |
01/04/2000 |
75 |
Aquila, Inc |
West Virginia Power |
Completed |
 |
03/01/1987 |
21 |
AGL Resources |
Virginia Natural Gas |
Completed |
 |
10/06/2000 |
533 |
AEP Southwestern Electric Power Company |
Valley Electric Member Corp |
Completed |
 |
10/01/2010 |
94 |
Avenir Diversified Income Trust |
Val Vista Energy Limited |
Unknown |
 |
|
30 |
Apollo Global Management LLC |
US Wind Inc. |
Completed |
 |
08/14/2020 |
265 |
Aquila Energy |
United States Gas Transportation, Inc. (USGT) |
Completed |
 |
03/31/2000 |
n/a |
Avondale Resources Corporation |
Undisclosed Seller |
Completed |
 |
|
n/a |
Avondale Resources Corporation |
Undisclosed Seller |
Unknown |
 |
|
n/a |
Avalon Oil & Gas, Inc. |
Undisclosed Seller |
Completed |
 |
08/29/2005 |
n/a |
AEI Resources |
Undisclosed Seller |
Completed |
 |
|
n/a |
AES Corp |
Undisclosed Seller |
Completed |
 |
|
n/a |
American Natural Energy Corporation |
Undisclosed Seller |
Unknown |
 |
|
0 |
American Petro-Hunter, Inc. |
Undisclosed Seller |
Completed |
 |
06/01/2009 |
0 |
American Petro-Hunter, Inc. |
Undisclosed Seller |
Completed |
 |
01/05/2010 |
0 |
Atlas Oil and Gas, Inc. |
Undisclosed Seller |
Unknown |
 |
|
n/a |
Arena Resources Inc. |
Undisclosed Seller |
Unknown |
 |
|
11 |
Arena Resources Inc. |
Undisclosed Seller |
Completed |
 |
04/15/2005 |
n/a |
Arena Resources Inc. |
Undisclosed Seller |
Unknown |
 |
|
1 |
Arena Resources Inc. |
Undisclosed Seller |
Completed |
 |
|
10 |
|