Aalo
Updated in October, 2025
Headquarter: Austin, TX
Year Founded: 2023
Employees: ~100 | 2025
Business Status: Early-stage, building nuclear demostrator
Industry Sectors: Advanced nuclear energy sector. Design and manufacture of modular sodium‑cooled reactors for colocated power generation (XMR).
What is Aalo?
Aalo Atomics is a U.S.-based advanced nuclear engineering company focused on designing and manufacturing modular nuclear power plants. The company positions itself within a “Second Atomic Age” in which reactors are factory-built and deployed rapidly, with minimal on-site construction and lower cost risk.
Why do we like it?
Aalo offers a compelling risk/return profile for our strategy: earlier stage, lower valuation base, strong theme alignment (modular nuclear + data-centers + resilience). Sits well in the middle of the range of reactor size. Seems to have chosen a ready fuel, though supply chain is constrained. Interesting it can operate with MOX in the future. Offered at 6.65% of Oklo EV.
What do they do?
Aalo is developing factory-manufactured nuclear reactors intended for colocated power at data centres, industrial sites, and distributed grids. Their flagship product is the Aalo Pod: a 50 MWe “extra modular reactor” (XMR) composed of five Aalo-1 reactor modules. The design has no external water requirement, minimal footprint, and is shipped and installed using standard methods. The commercial thesis is speed, cost reduction, and replicability, targeting ~3 ¢/kWh for n-th-of-a-kind production.
What is the opportunity?
Data-centre demand is surging due to AI workloads, with growing interconnection constraints and rising power-procurement costs. Aalo aims to serve this backlog by placing firm, carbon-free baseload power directly at the edge—removing transmission risk and reducing balance-of-plant complexity. Traditional nuclear requires bespoke construction and decade-long timelines; Aalo’s model transfers risk into a manufacturing environment and enables deployment of repeatable, modular plants. If the company achieves its cost target, the product becomes competitive with or cheaper than most existing generation sources.
Business Status / Operations
Aalo opened a 40,000 sq ft headquarters and manufacturing facility in Austin to combine R&D with modular fabrication. The company secured a tentative site at Idaho National Laboratory (INL) for its experimental Aalo-X reactor and is targeting zero-power criticality by ~2026/27. Aalo has signed a Memorandum of Understanding (MOU) with Idaho Falls Power for deployment of seven Aalo-1 reactors (75 MW).
Recent Financing and Investors
Series B: $100 million led by Valor Equity Partners, with participation from Fine Structure Ventures, Hitachi Ventures, Crescent Enterprises (via CE-Ventures) and others. Total funding >$136 million.
Competitive Landscape
Aalo operates in an advanced-reactor field that includes X-Energy (HTGR), Kairos (FHR), Newcleo (lead-cooled), TerraPower Natrium (sodium-fast), Radiant (microreactor), and Last Energy (compact PWR).
Comparison with Last Energy: Last Energy builds compact PWRs using off-the-shelf components, emphasising speed and familiarity with existing regulatory frameworks. Aalo, by contrast, pursues a sodium-cooled reactor built in a manufacturing environment with a very small footprint and no water draw. If Aalo achieves its cost curve, the design could offer cheaper, more scalable, and easier-siting power for data-centre adjacency—particularly where cooling water or land are constrained.
Aalo’s niche is between utility-scale SMRs and microreactors: a replicable 50 MWe block tailored to hyperscaler power procurement.
Licensing Strategy
Aalo is advancing an NRC regulatory pathway aligned with risk-informed advanced-reactor frameworks. The experimental Aalo-X at INL is the key licensing asset. Zero-power criticality ~2026/27 would provide an early demonstration and derisk future approvals. The CTO’s MARVEL background is relevant: it imports institutional knowledge, established sodium-reactor experience, and familiarity with NRC documentation. Early regulatory engagement and the INL partnership improve the likelihood of a predictable licensing trajectory.
Courtesy of Aalo
CEO Matt Loszak introduces Aalo
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