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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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51-75 of 107 items listed First Previous Next Last
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Purchaser Seller Status  
MarkWest Energy Partners, L.P. El Paso Corporation Completed 11/02/2005 156
MarkWest Energy Partners, L.P. Enterprise Products Partners L.P. Completed 04/01/2005 42
Maxim Power Corporation Milner Power Limited Partnership Completed 03/31/2005 n/a
Masters Energy Inc. Undisclosed Seller Completed 01/01/2005 8
Mpower Retail Energy LP Texas Commercial Energy Completed 01/01/2005 n/a
Millennium Midstream Energy, LLC Cleco Energy, L.L.C. Completed 11/16/2004 n/a
Maverick Oil and Gas, Inc. ConocoPhillips Co Completed 10/04/2004 n/a
Massey Energy Company Horizon Natural Resources Company Completed 10/01/2004 55
Magnum Hunter Resources, Inc. Tom Brown, Inc Completed 07/31/2004 239
MidAmerican Energy Holdings Company Northern Natural Gas Company Completed 08/17/2002 928
Mainstream Renewable NewPower Holdings, Inc Completed 07/19/2002 28
Medicine Bow Energy Corporation Ox Bow Energy Corporation Completed 05/28/2002 n/a
MidAmerican Energy Holdings Company Kern River Gas Transmission Company Completed 03/27/2002 450
Marathon Oil Company CMS Oil and Gas Company Completed 01/03/2002 1,000
Mantsalan Sahko Oy Paijat-Hameen Voima Oy Completed 12/21/2001 n/a
MarkWest Hydrocarbon, Inc. Undisclosed Seller Completed 12/18/2001 2
Mirant Corporation Avista Corporation Completed 12/18/2001 n/a
Midwest Independent System Operator MAPP Center Completed 11/30/2001 n/a
Mirant Corporation El Paso Corporation Completed 10/30/2001 n/a
Mirant Corporation Castex Energy, Inc. Completed 10/12/2001 162
Mitsui Oil Exploration Co Ltd. BNP Petroleum Corp Completed 09/20/2001 n/a
Magnum Hunter Resources, Inc. Mallon Resources Corporation Completed 09/17/2001 31
Mirant Corporation Avista Corporation Completed 07/31/2001 n/a
Mountainview Energy Ltd. Summit Resources, Inc. Completed 07/13/2001 1
Mirant Corporation Jamaica Public Service Company (JPSCo) Completed 03/30/2001 201
51-75 of 107 items listed First Previous Next Last
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