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Westinghouse eVinci Microreactor Completes Zero-Power Criticality Testing

Westinghouse Electric Company announced on August 25 that its eVinci microreactor has completed zero-power criticality testing, validating relevant models and key assumptions in the core design. The test was completed at 10:39 a.m. Pacific Time on August 24, 2026, at the National Criticality Experiments Research Center (NCERC) at the Nevada National Security Site (NNSS). The center is operated under the U.S. National Nuclear Security Administration (NNSA). The test was conducted by Westinghouse Electric in collaboration with Los Alamos National Laboratory (LANL) and Idaho National Laboratory (INL). Zero-power criticality is typically used to verify that a reactor core can achieve a self-sustaining chain fission state at extremely low power levels, serving as a critical step in reactor physics testing and design validation...

2026-08-26

NuCube Energy and Canadian Nuclear Laboratories Launch Microreactor R&D Collaboration

NuCube Energy, Inc. announced on August 25 that it has initiated research and development activities under an agreement signed with Canadian Nuclear Laboratories (CNL). The two parties will conduct research on the NuCube reactor design, focusing on advancing data identification, modeling, and analysis efforts to support the validation of its microreactor technology. Under this R&D program, Canadian Nuclear Laboratories will validate existing experimental data and benchmark computational models used to predict heat pipe performance in high-temperature environments exceeding 900 degrees Celsius. The qualified experimental data provided by Canadian Nuclear Laboratories will be used to expand the NuCube computational mo...

2026-08-26

US Deployable Signs MOU with Utah on Nuclear Microreactor Siting

Deployable Energy Limited (Deployable) announced on August 21 local time that it signed a Memorandum of Understanding with the Utah Office of Energy Development (OED) on August 18. The MOU establishes a non-binding cooperation framework for the two parties to jointly explore the feasibility of siting Unity nuclear batteries in Utah and supports subsequent information exchange. Deployable is a clean energy company engaged in the design and manufacture of compact, transportable nuclear microreactors. The company stated that signing this MOU is a step forward in advancing the research, development, testing, and commercial deployment of Unity nuclear batteries...

2026-08-22

US Standard Nuclear and Radiant Sign TRISO Fuel Supply Agreement

Standard Nuclear announced on August 20 that it has signed a binding TRISO nuclear fuel supply agreement with Radiant Industries, Inc. of the United States. Under the agreement, Radiant will receive a multi-ton supply of TRISO fuel, with deliveries continuing through 2031, to support its microreactor deployment plans. Standard Nuclear, headquartered in Oak Ridge, Tennessee, states that it is currently the only company in the United States with an industrial-scale TRISO fuel manufacturing facility. The agreement is aimed at Radiant's Kaleidos microreactor currently under development. The reactor has a power output of 1 megawatt and is designed to be transportable...

2026-08-21

Deployable Energy and Hornbeck Offshore Partner to Advance Maritime Microreactor Applications

Deployable Energy recently announced that it has signed a memorandum of understanding with Hornbeck Offshore to advance the commercialization of the Unity nuclear battery for maritime and offshore applications. Hornbeck Offshore has also made a strategic investment in Deployable Energy. Under the arrangement, the collaboration will combine Deployable Energy's transportable microreactor technology with Hornbeck Offshore's operational expertise in offshore service vessels, focusing on applications such as inland waterways, offshore vessels and platforms, national security logistics and autonomous vessels, power generation barges, and floating data centers. ...

2026-08-19

Radiant's Kaleidos Microreactor Shipped to Idaho National Laboratory for Testing

On August 13, Radiant announced that its 1-MW-class portable microreactor Kaleidos has departed its facility in El Segundo, California, and is being transported by trailer to Idaho National Laboratory (INL). The unit will undergo testing at INL's Microreactor Experimental Demonstration Facility (DOME). According to Radiant, the Kaleidos transport distance exceeds 1,000 miles. The company stated that the unit shipped to INL is not a scaled test article, but rather a reactor model consistent in design, dimensions, and commercial fuel loading with the units planned for delivery to customers. The DOME facility has completed modifications for microreactor testing. According to...

2026-08-15

Solaris Invests in Deployable Energy, Pushing "Unity" Transportable Microreactor Toward Commercial SMR

Houston-based advanced nuclear startup Deployable Energy (CEO Bobby Gallagher, former Australian Army/offshore drilling background) has reached a strategic partnership with NYSE-listed U.S. energy infrastructure company Solaris Energy Infrastructure, Inc. (NYSE: SEI): Solaris will take an equity stake in Deployable and leverage its own experience in grid construction and operations under harsh conditions (defense bases, heavy industry, data centers) to help the latter bring the Unity Nuclear Battery—a roughly 1 MWe-class, container-sized, portable microreactor that fits in a pickup truck bed for highway transport—to commercial deployment. The Unity reactor has already achieved...

2026-08-12

Nuclea Signs MOU with Utah Office of Energy Development to Advance Microreactor Testing at USREL

Nuclea Energy USA Inc., a wholly owned subsidiary of advanced nuclear technology developer Nuclea Energy Inc., recently announced that it has signed a Memorandum of Understanding with the Utah Office of Energy Development to explore the possibility of deploying a nuclear test reactor at Utah's San Rafael Energy Laboratory to advance the development and commercialization of Nuclea's Morpheus microreactor. This collaboration is seen as an important step for Nuclea's micro modular reactor moving from technology validation toward actual deployment. According to the MOU, Nuclea and the Utah Office of Energy Development will evaluate test reactor siting, coordination with the U.S. Department of Energy and the Nuclear Regulatory Commission, and...

2026-08-12

Nuclea to Explore Building Nuclear Test Reactor in Utah to Advance Morpheus Microreactor Deployment

On August 5, Mangoceuticals announced that Nuclea Energy USA Inc., a wholly owned subsidiary of its merger partner, has signed a memorandum of understanding with the Utah Office of Energy Development to explore siting a nuclear test reactor at the Utah St. Rafael Energy Laboratory to advance the deployment of the Morpheus microreactor. Under the MOU, Nuclea USA and the Utah Office of Energy Development will collaborate on test reactor siting and support related communications and coordination with the U.S. Department of Energy and the U.S. Nuclear Regulatory Commission. The parties will also evaluate pathways for future deployment of Nuclea's technology in Utah. The collaboration is seen as a step in Nuclea's micro modular react...

2026-08-06

Terra Innovatum Selected for Global X Uranium ETF Tracking Nuclear Index, Microreactor SOLO™ Gains Passive Fund Exposure

Terra Innovatum Global N.V. (NASDAQ: NKLR), a Netherlands-registered micro modular reactor developer, will be included in the Solactive Global Uranium & Nuclear Components Total Return Index effective from the market open on August 3, 2026 — the benchmark tracked by the Global X Uranium ETF (NYSE Arca: URA, with over $5 billion in assets under management), taking effect with Solactive's periodic rebalancing. Co-founder and CEO Alessandro Petruzzi stated that this enables passive/thematic investors to directly access its SOLO™ microreactor story through the index, alongside Cameco, Kazatomprom, Centrus, Oklo, NuScale, X-energy, Mitsubishi Heavy Industries, and others in the nuclear fuel cycle and reactor development tier.

2026-08-06

U.S. Nuclear Regulatory Commission (NRC) Proposed Rule to Update Radioactive Material Transport Regulations for New Reactor Technologies

The U.S. Nuclear Regulatory Commission (NRC) has issued a proposed rule aimed at updating regulations for the transport of radioactive material to accommodate the development of new reactor technologies. The existing regulatory framework has not fully kept pace with advances in nuclear technology, particularly as microreactors and other advanced reactor types present new challenges to current rules. Approximately three million packages containing radioactive material are transported across the United States each year, and this vast logistics operation has been managed by federal agencies for decades. The NRC's proposed rule addresses a specific issue: how to safely transport new types of nuclear reactors and their associated radioactive materials. Microreactors are compact, factory-manufactured...

2026-08-03

NuAlaska Initiative Launched: Long-Life Nuclear Microreactors Target Remote Alaskan Regions

An initiative in Alaska called NuAlaska is working to bring long-life nuclear microreactors to remote areas. This collaboration, co-launched by NuCube Energy Inc. and the Alaska Fund, aims to develop, finance, own, and operate advanced nuclear energy projects in Alaska. The plan combines NuCube's NuSun-1 micro-modular reactor technology with the Alaska Fund's mission to support projects that meet Alaska's unique energy and infrastructure needs. The initiative targets remote communities, mines, military installations, and other isolated locations where harsh weather, long transportation routes, and reliance on imported diesel fuel...

2026-07-31

Mangoceuticals to Merge with Nuclea to Advance Morpheus Microreactor to Market

Mangoceuticals announced on July 30 that it has signed a definitive business combination agreement with advanced nuclear technology company Nuclea Energy Inc., aiming to bring the latter's Morpheus microreactor to the public capital markets. Nuclea was founded in August 2023 and is headquartered in Mississauga, Ontario, Canada, focusing on the development of lead-cooled, factory-fabricated micro-modular reactors. Under the agreement, a newly formed subsidiary of Mangoceuticals will merge with Nuclea, and the combined company will operate as an indirect wholly owned subsidiary of Mangoceuticals. Upon completion of the transaction, holders of Nuclea common shares will receive...

2026-07-31

ZiaCore Microreactor Achieves Criticality in High-Temperature Zero-Power Experiment

Los Alamos National Laboratory announced on July 30 that its ZiaCore microreactor design has completed a high-temperature zero-power criticality proof-of-principle experiment at the National Criticality Experiments Research Center (NCERC) in Nevada, successfully achieving initial criticality. ZiaCore is an advanced nuclear energy microreactor design that uses low-enriched uranium dioxide fuel. The experiment lasted approximately four weeks from April to May this year, advancing the ZiaCore system to zero-power criticality under high-temperature conditions. According to the reactor design and verification process, zero-power criticality experiments can be used to validate the effectiveness of reactor physics designs, providing key benchmark data for subsequent engineering development.

2026-07-31

The U.S. Department of Energy conditionally allocates HALEU fuel to NASA and Radiant.

On July 23, the U.S. Department of Energy (DOE) announced a conditional commitment to provide High-Assay Low-Enriched Uranium (HALEU) to NASA and Radiant Industries to meet near-term fuel needs. This marks the third round of HALEU allocations; the materia

2026-07-27