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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) |
Munich Re Group |
Starwood Energy Group Global, L.L.C. |
Completed |
 |
08/23/2017 |
n/a |
Macquarie Infrastructure Corp |
Scatec Solar ASA |
Completed |
 |
12/29/2016 |
28 |
Macquarie Infrastructure Corp |
ArcLight Capital Partners LLC |
Completed |
 |
02/04/2015 |
n/a |
MidAmerican Energy Holdings Company |
NV Energy (formerly Nevada Power Company) |
Completed |
 |
12/19/2013 |
4,500 |
Murray Energy |
CONSOL Energy Inc. |
Completed |
 |
12/05/2013 |
850 |
Mitsubishi Corporation |
Midland Cogeneration Venture Limited Partnership |
Completed |
 |
12/04/2013 |
2,000 |
Mitsubishi Heavy Industies, LTD. |
Pratt & Whitney Power Systems |
Completed |
 |
05/20/2013 |
n/a |
MarkWest Energy Partners, L.P. |
Chesapeake Energy Corporation |
Completed |
 |
05/08/2013 |
245 |
Mainstream Renewable |
First Solar |
Completed |
 |
04/23/2013 |
n/a |
MidAmerican Energy Company |
Terra-Gen Power |
Completed |
 |
11/08/2012 |
n/a |
Mainstream Renewable |
SunEdison |
Completed |
 |
10/18/2012 |
n/a |
Mainstream Renewable |
SunEdison |
Completed |
 |
09/28/2012 |
n/a |
MarkWest Energy Partners, L.P. |
Keystone Midstream Services, LLC |
Completed |
 |
05/29/2012 |
512 |
Macquarie Infrastructure Corp |
Gas Company, LLC, The |
Completed |
 |
03/31/2012 |
238 |
MidAmerican Energy Holdings Company |
Invenergy Wind LLC |
Completed |
 |
03/30/2012 |
n/a |
MDU Resources Group, Inc. |
Intermountain Gas |
Completed |
 |
03/25/2012 |
328 |
MDU Resources Group, Inc. |
Northwestern Energy Corporation |
Completed |
 |
03/25/2012 |
n/a |
MidAmerican Energy Holdings Company |
First Solar |
Completed |
 |
01/31/2012 |
2,000 |
MinnTex Power Holdings LLC |
PSEG Power LLC |
Completed |
 |
03/04/2011 |
344 |
MarkWest Energy Partners, L.P. |
EQT Corporation |
Completed |
 |
02/01/2011 |
230 |
Mirant Corporation |
RRI Energy, Inc. |
Completed |
 |
12/03/2010 |
3,100 |
Macquarie Infrastructure Partners II |
Ridgewood Renewable Power LLC |
Completed |
 |
11/22/2010 |
n/a |
Massey Energy Company |
Cumberland Resources Corp. |
Completed |
 |
04/19/2010 |
960 |
Macquarie Cook Power, Inc. |
Integrys Energy Services, Inc. |
Completed |
 |
04/01/2010 |
n/a |
Mesa Energy Holdings |
Undisclosed Seller |
Completed |
 |
03/18/2010 |
n/a |
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