nuclear

Deployable Energy's 1 MWe Unity reactor reached criticality at Idaho National Laboratory, the third US advanced reactor to go critical under DOE authorization by the July 4 deadline set in a 2025 executive order.

The Energy Department released its finalized Fusion Science and Technology Roadmap on June 9, 2026, a national strategy built on three pillars and aimed at a US fusion pilot plant in the mid-2030s.

Antares Nuclear's Mark-0 microreactor reached initial criticality at Idaho National Laboratory on June 4, the first private reactor critical under the DOE pilot program.

A digital twin built on NVIDIA Omniverse aims to compress site-specific design for TerraPower's Natrium reactor from 18 months to as little as eight weeks.

CFS released five peer-reviewed papers with 58 co-authors detailing the physics basis for ARC, its planned 400 MW fusion plant.

The startup tapped an established nuclear EPC firm for above-ground construction of a 15 MWe reactor designed to sit a mile underground, where the water column supplies its operating pressure.

European Commissioner Wopke Hoekstra opened DICE in Eindhoven on June 1, a test rig for the Thorizon One molten salt reactor designed to run on thorium and reprocessed nuclear waste.

X-energy priced its IPO at $23 a share on April 24, raising $1.02 billion — the largest nuclear IPO on record — as shares surged 36% on debut.

The IEA's World Energy Investment 2026 report finds $2.2 trillion flowing to clean energy against $1.2 trillion for fossil fuels, with solar alone attracting nearly $365 billion — close to $1 billion per day.

The Department of Energy selected eight U.S. companies for $94 million in Tier 2 awards targeting site permitting and domestic supply chain gaps for Gen III+ small modular reactors.

Ontario Power Generation has placed the foundation module for the first BWRX-300 small modular reactor at Darlington, clearing the construction licence's first hold point and beginning above-ground reactor work on what is on track to be the G7's first commercial SMR.

Rolls-Royce SMR and Czech utility ČEZ signed an early works contract on April 24 to begin design, licensing and site work for the country's first small modular reactor at Temelín, targeting up to 3 GW of capacity and grid connection in the late 2030s.