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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 93 items listed First Previous Next Last
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Status Date
Infinity Wind Power Zephyr Wind Power Completed 01/28/2013 n/a
Innogy Holdings PLC Yorkshire Power, plc. Completed 03/31/2001 2,700
Inter Pipeline Fund Williams Companies, Inc Completed 07/28/2004 540
Integrys Energy Group, Inc. Upper Peninsula Energy Corporation Completed 09/29/1998 70
International Energy Group Limited Undisclosed Seller Completed 08/09/2004 n/a
Infinity Oil and Gas of Texas, Inc. Undisclosed Seller Unknown n/a
Iberdrola SA UIL Holdings Corporation Pending 02/26/2015 n/a
International Power Plc Trinergy Unknown 2,500
Invenergy LLC Tri Global Energy, LLC Completed 09/06/2019 n/a
Inergy, LP Tres Palacios Gas Storage LLC Completed 725
International Energy Ltd Transworld Oil & Gas Unknown n/a
Innergex Renewable Energy Inc TransCanada Corporation Pending 484
InterGen TransAlta Corporation Unknown 304
InfrastruX Group, Inc. Trafford Corporation Completed 04/19/2001 200
Innergex II Terna Energy Completed 08/18/2020 n/a
Innergex Power Income Fund TD Capital Group Ltd Unknown 14
Intergy, LLC Solstice Group, Inc., The Completed 06/19/2000 n/a
Itron, Inc. Silicon Energy Completed 03/04/2003 71
Indiana Energy Inc. SIGCORP, Inc. Completed 03/31/2000 1,900
International Power Plc Sempra Generation Completed 07/10/2006 1,140
Iberdrola SA Scottish Power PLC Completed 04/24/2007 22,000
Itron, Inc. Schlumberger's Electricity Metering business (SEM) Completed 07/16/2003 255
IEnova Saavi EnergĂ­a Completed 04/05/2021 80
International Power Plc RWE Power AG Unknown n/a
Iberdrola SA RWE AG Completed n/a
1-25 of 93 items listed First Previous Next Last
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