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Exclusive-US lawmakers including Sen. Warren push energy regulators to reject acquisition of power company AES

By Thomson Reuters Sep 29, 2026 | 12:07 PM

By Laila Kearney and Sumit Saha

NEW YORK, Sept 29 (Reuters) – A group of U.S. lawmakers including Senator Elizabeth Warren ​asked federal energy regulators this week ‌to reject a more than $33 billion sale of power company AES to a BlackRock subsidiary and its investment partners, saying the deal could drive ‌up ​electricity bills and allow ⁠data centers to benefit ⁠at the expense of utility customers, according to a letter seen by Reuters.

U.S. electricity demand is being driven to record ​new highs, largely by the proliferation of energy-intensive data centers, spurring a flurry ⁠of power mergers and ⁠acquisitions, some of which propose ​to take public electric utilities private.

BlackRock’s Global Infrastructure ​Partners, alongside EQT and other investors, agreed ‌in March to acquire AES in a deal valued at about $33.4 billion including debt, making it one of the largest ⁠power sector transactions in recent years.

“The private equity industry’s involvement in the public utility market has ⁠significant implications ‌for consumers’ energy costs at ⁠a time when Americans are facing ​record ‌high utility bills,” said the ​letter, dated ⁠Sept. 28, which was directed to Federal Energy Regulatory Commission Chairman Laura Swett.

(Reporting by Laila Kearney in New York and Sumit Saha in Bengaluru; Editing by Liz Hampton and ​Chizu Nomiyama)