Nuclear
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Antares Raises $470 Million Series C to Build Nuclear Microreactors for the US Military
Antares Nuclear closed a $470 million Series C, seven weeks after its Mark-0 reactor reached criticality, to build microreactors for US military bases.
US Meets Its July 4 Nuclear Goal as Deployable Energy's Unity Becomes the Third Advanced Reactor to Reach Criticality
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.
Antares Becomes First Private Company to Reach Reactor Criticality Under the DOE Pilot Program, a US First in Over Four Decades
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.
TerraPower and SoftServe Build an NVIDIA Omniverse Digital Twin to Cut Natrium Reactor Site Engineering From 18 Months to Eight Weeks
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.
Deep Fission Names Day & Zimmermann to Build Its Mile-Deep Borehole Nuclear Reactor in Parsons, Kansas
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 Opens DICE, a Dutch Test Facility for Thorizon's Waste-Burning Molten Salt Reactor
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 Raises $1 Billion in Nasdaq Debut, Shares Surge 36 Percent in Record Nuclear IPO as Amazon-Backed SMR Maker Eyes First Reactor in the 2030s
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.
DOE Awards $94 Million to Eight Companies to Accelerate Light-Water SMR Deployment and Build U.S. Nuclear Supply Chain
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.
OPG Sets Reactor Foundation at Darlington, Pushing the G7's First Commercial SMR Past Its First Regulatory Hold Point
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 Signs Czech Republic Early Works Contract With ČEZ for Temelín, Cementing Status as Europe's Only Multi-Country SMR Vendor
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.
TEPCO Resumes Commercial Operations at Kashiwazaki-Kariwa Unit 6, the First Post-Fukushima Restart for the Fukushima Operator
Tokyo Electric Power Company restarted commercial operations at the world's largest nuclear plant on April 16, 2026, ending a 14-year shutdown of TEPCO's entire nuclear fleet since the 2011 Fukushima Daiichi accident.
New Jersey Lifts 50-Year Nuclear Moratorium as NRC Unveils First New Licensing Framework Since 1989
New Jersey ends a de facto nuclear construction ban while the NRC finalizes Part 53, a landmark rule that streamlines reactor approvals for the first time in decades.