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FACTBOX-US utilities on dealmaking spree to blockbuster 2025

ReutersAug 19, 2025 12:02 PM

- With electricity demand in the United States set to hit record highs over the next two years, utilities are doubling down on assets that can boost their power generation capacity while shedding others to fund their massive spending plans.

The dealmaking spree comes as the industry prepares for rapid growth in electricity consumption nationwide, partly driven by power-hungry data centers needed to support the boom in artificial intelligence usage. Power demand from data centers in the U.S. is expected to nearly triple in the next three years and consume as much as 12% of the country's electricity, according to a Department of Energy-backed study.

Here are some of the biggest mergers, acquisitions and divestitures announced in 2025:

Company

Deal Description

Deal Value

Expected Closing Date

Black Hills

Acquiring NorthWestern Energy in an all-stock deal

$3.6 billion

12 to 15 months

Constellation Energy

Acquiring Calpine, a private natural gas and geothermal company

$16 billion

Late 2025

NRG Energy

Buying power generation assets from LS Power

$12 billion

First quarter of 2026

NRG Energy

Acquired 738 MW natural gas assets from Rockland Capital

$560 million

Closed in April

TXNM Energy

To be acquired by Blackstone Infrastructure unit

$11.5 billion

Second half of 2026

Vistra

Acquiring seven natural gas plants from Lotus Infrastructure Partners

$1.9 billion

Late 2025 or early 2026

American Electric Power

Selling 20% stake in transmission network to KKR and PSP Investments

$2.82 billion

Second half of 2025

Sempra

Selling energy infrastructure assets in Mexico and minority stake in Sempra Infrastructure

Not disclosed

Mid-2026

Eversource Energy

Selling public water supply unit

$2.4 billion

Late 2025

National Grid

Selling U.S. onshore renewables business to Brookfield Asset Management

$1.74 billion

First half of the financial year to March 31, 2026

Ares Management

Selling 774 MW natural gas plant in Virginia to Blackstone

About $1 billion

Not disclosed

Partners Group

Buying energy asset management platform and gas-fired plants in California from Avenue Capital Group

$2.2 billion

Not disclosed

AES Corp

Selling 30% equity interest in Ohio subsidiary to CDPQ

$546 million

First half of 2025

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