Aalo Atomics: Aalo-1 microreactor license application in the United States

Aalo Atomics has submitted its Preliminary Regulatory Undertaking to the US Nuclear Regulatory Commission for its Aalo-1 micro-reactor, marking a key step towards licensing this innovative project.

Share:

Aalo Atomics: Demande de licence du micro-réacteur Aalo-1 aux États-Unis.

Comprehensive energy news coverage, updated nonstop

Annual subscription

8.25$/month*

*billed annually at 99$/year for the first year then 149,00$/year ​

Unlimited access • Archives included • Professional invoice

OTHER ACCESS OPTIONS

Monthly subscription

Unlimited access • Archives included

5.2$/month*
then 14.90$ per month thereafter

FREE ACCOUNT

3 articles offered per month

FREE

*Prices are excluding VAT, which may vary depending on your location or professional status

Since 2021: 35,000 articles • 150+ analyses per week

Aalo Atomics, based in Austin, Texas, recently submitted a Preliminary Regulatory Undertaking (PER) to the U.S. Nuclear Regulatory Commission (NRC). This document details the interactions planned prior to the license application for its Aalo-1 micro-reactor. The REP aims to reduce regulatory uncertainty and add predictability to the licensing process for advanced technologies. Although not mandatory, this plan can facilitate initial discussions with the NRC and set clear expectations. Nuclear power has recently been endorsed by the International Atomic Energy Agency (IAEA), which highlights its crucial role in achieving carbon neutrality.

Aalo’s objectives and strategy

Aalo Atomics aims to build seven Aalo-1 reactors initially for the Idaho Nuclear Project, with a potential extension of seven more units. The company expects the facility to be operational by 2029, providing a reliable and affordable source of electricity for current and future energy needs. In May, the company completed the conceptual design of the Aalo-1, a factory-built, sodium-cooled micro-reactor using uranium zirconium hydride (UZrH) fuel elements.

Collaboration with the Department of Energy

In May, Aalo signed a memorandum of understanding for the installation of its first Aalo-1 reactor at the Idaho National Laboratory (INL). The site was chosen for its proximity to new megawatt-scale electrolysers and INL’s future fleet of hydrogen-powered coaches. The company plans to submit an application for a combined construction and operation license (COLA) in 2026.

Benefits and support of the GAIN program

Last December, Aalo Atomics was one of the first recipients of GAIN vouchers for the 2024 financial year. These federally-funded vouchers are designed to accelerate innovation in advanced nuclear technologies. Thanks to these vouchers, Aalo will collaborate with INL to evaluate modeling and simulation capabilities for the fuel system and core of the Aalo-1 micro-reactor.

Innovation perspectives

The Gateway for Accelerated Innovation in Nuclear (GAIN) program, launched in 2016 by the DOE Office of Nuclear Energy, helps companies overcome technological and business challenges by providing access to DOE research and development infrastructure. This support aims to facilitate the development of innovative nuclear technologies in a cost-effective way. For its part, Aalo contributes a minimum of 20% of costs, often in the form of in-kind contributions. Aalo Atomics’ progress in the field of micro-reactors marks a significant turning point for the US nuclear industry, with important implications for sustainable energy production and technological innovation.

The Estonian Ministry of Economic Affairs has opened a tender to select a site and conduct initial environmental studies for a 600 MW nuclear power plant, marking a decisive step for the country’s energy future.
The European Commission has approved Poland's financial support plan for its first nuclear power plant, a €42bn project backed by public funding, state guarantees, and a contract for difference mechanism.
Six European nuclear authorities have completed the second phase of a joint review of the Nuward modular reactor, a key step toward aligning regulatory frameworks for small nuclear reactors across Europe.
Driven by off-grid industrial heat demand and decarbonisation mandates, the global small modular reactor market is set to grow 24% annually through 2030, with installed capacity expected to triple within five years.
US fusion energy leaders have called on the federal government to redirect public funding towards their projects, arguing that large-scale investment is needed to stay competitive with China.
Santee Cooper has approved a memorandum of understanding with Brookfield Asset Management to assess the feasibility of restarting two unfinished nuclear reactors, with a potential $2.7 billion payment and 550 MW capacity stake.
Helical Fusion has signed a landmark agreement with Aoki Super to supply electricity from fusion, marking a first in Japan’s energy sector and a commercial step forward for the helical stellarator technology.
India’s nuclear capacity is expected to grow by more than 13,000 MW by 2032, driven by ongoing heavy water reactor construction, new regional projects and small modular reactor development by the Bhabha Atomic Research Centre.
NextEra Energy has lifted its earnings estimates for 2025 and 2026, supported by power demand linked to long‑term contracts previously signed with Google and Meta to supply their artificial intelligence data centres with low‑carbon electricity.
London launches a complete regulatory overhaul of its nuclear industry to shorten authorisation timelines, expand eligible sites, and lower construction and financing costs.
Finland's Ministry of Economic Affairs extends the deadline to June 2026 for the regulator to complete its review of the operating licence for the Olkiluoto spent nuclear fuel repository.
Framatome will replace several digital control systems at the Columbia plant in the United States under a contract awarded by Energy Northwest.
The conditional green light from the nuclear regulator moves Cigéo into its final regulatory stage, while shifting the risks towards financing, territorial negotiations and industrial execution.
The drone strike confirmed by the IAEA on the Chernobyl site vault exposes Ukraine to a nuclear risk under armed conflict, forcing the EBRD to finance partial restoration while industry standards must now account for drone threats.
Deep Fission is installing a 15 MWe pressurised reactor 1.6 km underground at Great Plains Industrial Park, under the Department of Energy’s accelerated pilot programme, targeting criticality by July 4, 2026.
EDF commits to supply 33 MW of nuclear electricity to Verkor over 12 years, enabling the battery manufacturer to stabilise energy costs ahead of launching its first Gigafactory.
The full-scope simulator for the Lianjiang nuclear project has successfully passed factory acceptance testing, paving the way for its installation at the construction site in China's Guangdong province.
A coalition of Danish industry groups, unions and investors launches a platform in support of modular nuclear power, aiming to develop firm low-carbon capacity to sustain industrial competitiveness.
The United Kingdom and TAE Technologies create a joint venture in Culham to produce neutral beams, a key component of fusion, with strategic backing from Google.
Texas-based developer Natura Resources receives new federal funding to test key components of its 100-megawatt modular reactor in partnership with Oak Ridge National Laboratory.

All the latest energy news, all the time

Annual subscription

8.25$/month*

*billed annually at 99$/year for the first year then 149,00$/year ​

Unlimited access - Archives included - Pro invoice

Monthly subscription

Unlimited access • Archives included

5.2$/month*
then 14.90$ per month thereafter

*Prices shown are exclusive of VAT, which may vary according to your location or professional status.

Since 2021: 30,000 articles - +150 analyses/week.