Nuclear Power Direct
POWER Magazine   Jobs   White Papers  Webinars   Events   Store   June 25, 2026
NRC Proposes Licensing Rewrite for Advanced Nuclear Fuel Infrastructure
The Nuclear Regulatory Commission (NRC) has proposed a materials-licensing rule that would revise several regulatory handoffs outside the reactor license, including pilot fuel lines, spent fuel reprocessing, dry storage cask…
 
Valar Atomic’s Ward 250 Becomes Second Reactor to Go Critical Under DOE Pilot Program
Valar Atomics has achieved self-sustaining criticality and completed zero-power testing at Ward 250, its Gen IV tri-structural isotropic (TRISO)-fueled modular high-temperature gas reactor (HTGR), at the Utah San Rafael Energy…
Antares Mark-0 Becomes First Advanced Nuclear Reactor to Achieve Criticality Under DOE Pilot Program
Antares Nuclear Inc.'s Mark-0—a sodium heat-pipe-cooled microreactor fueled by high-assay low-enriched uranium (HALEU) tri-structural isotropic (TRISO) fuel compacts—has achieved zero-power criticality at Idaho National Laboratory's (INL's) Reactor and Critical Experiment…
In Case You Missed It
State of the Nuclear Industry 2026: Korsnick Says the Real Test Is Now Scale
Within a single week last month, Kairos Power broke ground on its Hermes 2 reactor in Tennessee, and days later TerraPower and Bechtel began construction on the Natrium reactor in…
 
Elementl Power Developing Ohio SMR Project with GE Vernova Hitachi Nuclear Energy
An independent developer of utility-scale nuclear power projects said it has an agreement with GE Vernova Hitachi Nuclear Energy for a nuclear power plant utilizing small modular reactors (SMRs). Elementl Power on June 18 said the facility, sited along the Ohio River about 100 miles southeast of Columbus, has a planned capacity of as much as 1.5 GW.
In a First for Advanced Nuclear: Siemens Energy Turbine Package Advances for Oklo's Aurora-INL
The steam turbine and generator package for Oklo's first Aurora powerhouse at Idaho National Laboratory (INL)—a pioneering application of a commercially established industrial turbine platform at the heart of a…
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Blykalla, Studsvik File for Up to 1.7 GW of New Swedish Nuclear Capacity as Government Proposes $3.7B Capital Commitment to Ringhals SMR Project
Sweden's nuclear reversal marked three major developments this past week, as advanced modular reactor developer Blykalla and long-established nuclear services firm Studsvik filed separate applications for up to 1.7 GW…
DOE Approves Xcimer Energy Fusion Power Plant Design
A Colorado-based fusion energy company said the U.S. Dept. of Energy (DOE) has approved the company's preconceptual technical design for its commercial fusion power plant.
Xcimer Energy Starts Operations of Prototype for Laser Fusion Architecture
Colorado-headquartered Xcimer Energy has announced the start of operations for Phoenix, what the company calls the largest privately owned laser system in the world. Phoenix, named after the legendary bird from Greek and Egyptian mythology, is the company’s prototype for commercializing laser fusion.
CFS Publishes Papers Validating Physics of ARC Fusion Power Plant
Commonwealth Fusion Systems (CFS) announced the company has published five peer-reviewed physics basis papers detailing its work on the group's ARC fusion power plant.
Helion Announces $465-Million Funding Round to Support Fusion Energy
Fusion energy group Helion said the company has completed a $465-million Series G investment round, increasing the Everett, Washington-based group's valuation to $15.5 billion. Helion is among dozens of U.S. and global companies working to commercialize fusion power.
Pacific Fusion Touts Funding, Technical Achievements on Way to Fusion Power
Another U.S.-based energy company said its technology has achieved key performance metrics that advance its goal of commercial fusion by the mid 2030s. California-headquartered Pacific Fusion on June 2 said…
Thea Energy Raises $100 Million in New Funding to Advance Fusion Technology
New Jersey-based Thea Energy, one of several U.S. companies working to commercialize fusion energy, said the company has raised $100 million in Series B funding. Thea is advancing stellarator technology…