Nuclear

The DOE announces $5B loan to Constellation for nuclear uprates

The conditional commitment aims to boost output across 15 reactors in three states, expanding clean power capacity far faster than building new reactors.

By Brian Martucci . 28 October 2026

Striking nucleart power plant with light blue dome by a lake, with trees in foreground — Constellation Energy’s Clinton nuclear power plant in Clinton, Illinois (Scott Olson/Getty Images)

Data centers

Nuclear-powered data centers? It’s a tough sell in Utah coal country.

To power two new data centers, companies are planning a giant gas plant and 456 small nuclear reactors in Carbon County. Locals are pushing back.

By Leia Larsen . 14 October 2026
Nuclear

Constellation and Google go in on nuclear uprates to unlock clean power

The $4.3 billion deal will add 890 megawatts by upgrading equipment, but the U.S. needs to build — and restart — reactors to spur a true nuclear renaissance.

By Brian Martucci . 8 October 2026
Nuclear

A ‘wholesale revision’ of US nuclear rules is on the table

The Nuclear Regulatory Commission has been busy responding to Trump’s executive order. But will the many siting and permitting changes accelerate nuclear deployment?

By Brian Martucci . 30 September 2026
Nuclear

With federal funding windfall, X-energy advances small nuclear reactor

The Amazon-backed firm is aiming to build up to 144 of its novel Xe-100 reactors as the U.S. government seeks to revitalize an industry beset by rising costs.

By Brian Martucci . 23 September 2026
Nuclear

Shuttered nuclear plant in Iowa gets $1.9B federal loan to restart

NextEra Energy is one of three U.S. energy companies to win backing from the Department of Energy to revive shut-down nuclear plants to meet soaring power demand.

By Maria Gallucci . 8 September 2026
Nuclear

New York’s big new bet on nuclear energy

Gov. Hochul, a Democrat, diluted New York’s climate law this year amid struggles to build large-scale renewables. Now, she’s looking to nuclear power.

By Alexander C. Kaufman . 3 September 2026
Nuclear

How much of a threat do heat waves pose to nuclear plants?

Hot water and low river levels have hampered nuclear power in Europe this summer, forcing a reckoning over plant preparedness.

By Alexander C. Kaufman . 27 August 2026
Nuclear

Nuclear startup Oklo splits its first atoms in test reactor

It’s a demonstration of the tech Oklo will use for its medical isotope business — not power plants — but marks a milestone nonetheless for the buzzy firm.

By Alexander C. Kaufman . 6 August 2026
Nuclear

Microreactor startup Valar Atomics raises $1B

Valar, which has been called “the Trump administration’s favorite nuclear startup,” faces a steep path to realizing its vision — even with a giant funding round.

By Alexander C. Kaufman . 4 August 2026
Nuclear

‘It’ll take more’: CFS nets another $1B to chase nuclear fusion dream

Commonwealth Fusion Systems has now raised a total of $4B to commercialize its nuclear fusion technology. It aims to bring its pilot reactor online next year.

By Alexander C. Kaufman . 30 July 2026