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Today, we unveiled our completed Critical Test Reactor facility. This commercial-scale reactor with fuel to produce 10 MW of electricity was assembled on site from modular components to conclude a net ~70 day timeline from a desert plot to a reactor, reactor facility, and command & control center. Nuclear...

151,973 görüntüleme • 4 ay önce •via X (Twitter)

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The Department of Energy has formally approved our Preliminary Documented Safety Analysis (PDSA) for the Mark-0 reactor—our first demonstration reactor, scheduled to go live before July 4, 2026. Mark-0 will validate fueling operations, reactor controls, and core physics. This demonstration is a critical step toward generating electricity from advanced microreactors. Mark-0 uses a full-scale core and the same facility and fuel that will support our next reactor test in 2027. The PDSA defines the preliminary safety basis for the reactor, facility, and planned operations, demonstrating that our approach meets DOE expectations at this stage. This approval validates our safety case and establishes a clear pathway to final acceptance as we prepare for fabrication, assembly, and installation. Mark-0 will be tested at Idaho National Laboratory in Building 793—now the Reactors and Critical Experiments facility—a site with deep nuclear history. Decades ago, this building housed ML-1, the Army’s first mobile nuclear reactor. Today, it supports the next generation of deployable nuclear power. We find the historical relevance fitting and inspiring, as Antares develops a similar-scale microreactor to meet Army operational and installation needs. Since 2024, we’ve worked to establish this facility as an enduring testbed, enabling rapid progress without the need for groundbreaking construction. We’re grateful for our partners at DOE and INL, and for leaders like Congressman Mike Simpson who continue to support the American nuclear renaissance.

Antares

16,481 görüntüleme • 6 ay önce

We’ve gone critical. At 12:20 am on July 4th, Aalo sustained a controlled fission chain reaction for the first time. We have officially surpassed the goal of President Trump’s Executive Order 14301, achieving 4 advanced nuclear reactor criticalities by America’s 250th birthday. This is a zero-power criticality to validate our supply chain, reactor physics and control systems for our 10 MWe full-powered reactor, the Aalo-X, targeting power operations next year. Everything was built at full scale: fuel, moderator, control systems, etc., so we understand system performance at its commercial scope. That also meant tackling four of the most difficult things in nuclear with this criticality milestone: ✅ Ground-up construction of our reactor facility ✅ Manufacturing the reactor in our factory and shipping them by road ✅ Assembling our own fuel assemblies using commercial UO2 ✅ Standing up training, safety, and operational programs to become our own nuclear operator I am proud to say we have accomplished all four goals, along with achieving criticality. The reactor building was constructed in 36 days and construction to criticality was achieved in under 8 months. That’s the fastest nuclear build in the last 80 years. A massive congratulations to the Aalo Atomics team and our partners. Many thanks to Idaho National Laboratory, the DOE-Idaho Operations Office, and the Office of Nuclear Energy for their immense support in enabling this milestone and dedicated to the American nuclear resurgence.

Yasir Arafat

99,229 görüntüleme • 27 gün önce

Very excited to announce that at 12:20am on the 4th of July, Aalo achieved criticality on our first full-scale reactor. We cut it close, but we pulled it off!! Working towards this goal with such an incredible group of humans has been the most fulfilling period of my life. This moment has been three years in the making. Last year, Executive Order 14301 called for at least three new reactors to go critical before July 4th, 2026. As of late last Friday night, that goal has been surpassed! When the EO was announced, we immediately sat down to figure out what the most ambitious scope would be, while still being potentially achievable by July 4th. Some of the team proposed doing simplified designs with smaller fuel loads, or building in existing facilities. One thing was clear: We wouldn't have time to integrate a full-scale sodium heat-removal loop to bring the reactor to its full 30 MWt. So here’s where we landed: ➡️ We purchased the entire commercial-scale fuel load. This is enough fuel to operate at 30 MWt / 10 MWe for 3 years before refueling. To my knowledge, it’s the largest fuel load that’s been taken critical in the DOE pilot program, by far. ➡️ We built a full-scale reactor vessel in our factory, and loaded in our commercial graphite layout. All the dimensions, vessel thickness, and manufacturing techniques are essentially the same as we will use for the imminent commercial version. There will be a few minor tweaks for sodium flow and full-power, but nothing major. ➡️ We built an entirely new reactor facility at the Idaho National Lab. Building a building is easy. Building a new reactor facility comes with a mountain of paperwork, policies, operation and training procedures, security, instrumentation and control, and more. Zero-power criticality might seem like a small step, but I can tell you, going through the exercise of building a reactor and taking it to criticality has been extremely valuable. The learnings on regulatory, ops, manufacturing, supply chain, QA, economics, engineering, and design will accelerate our path through to the final iteration at full-power. America is blessed to have a recent Cambrian explosion of startups in nuclear, all going after different markets, technologies, and strategies. I’m excited that sodium, gas, salt, and new PWRs are all getting pushed forward once again. The best outcome for humanity is to have all these advance in parallel, as quickly as possible, while maintaining safety. Thanks again to our amazing team, DOE, INL, BEA, and everyone else who helped us get to where we are today. This could not have happened anywhere else. Happy birthday, America!! 🇺🇸🇺🇸🇺🇸 There has never been a better time for nuclear energy. The Second Atomic Age has begun, and this one will be here to stay.

Matt Loszak

469,436 görüntüleme • 27 gün önce