Key Highlights

• On 27 October 2026 the American Nuclear Society reported that the NRC had released the final environmental impact statement for GLE's proposed Paducah Laser Enrichment Facility, near Paducah, Kentucky.

• The timeline so far: GLE bought the 665-acre site in November 2024 and submitted an environmental report the following month.

• It completed its licence application in July 2025, the NRC began preliminary environmental work in September 2025, and the draft statement was issued for public comment on 27 March 2026.

• Silex expects that report before the end of the contract year 2026, with licence approval in 2027.

What does the final environmental review of the Paducah project mean for Silex Systems (ASX:SLX) and its laser enrichment plans?

Silex Systems (ASX:SLX) is an Australian technology developer whose main asset is its interest in Global Laser Enrichment, or GLE.

The central development: final EIS released

On 27 October 2026 the American Nuclear Society reported that the NRC had released the final environmental impact statement for GLE's proposed Paducah Laser Enrichment Facility, near Paducah, Kentucky. GLE and Silex said it supports issuing a licence to begin construction.

The timeline so far: GLE bought the 665-acre site in November 2024 and submitted an environmental report the following month. It completed its licence application in July 2025, the NRC began preliminary environmental work in September 2025, and the draft statement was issued for public comment on 27 March 2026.

Silex expects that report before the end of the contract year 2026, with licence approval in 2027. GLE plans for the Facility to begin operating in 2030, subject to feasibility, licensing and market conditions.

What the plant would do

GLE seeks to re-enrich depleted uranium hexafluoride tails to natural levels and to enrich natural-grade material to a maximum of 8 per cent uranium-235. The licence application requests output of up to 2,000 metric tons per year of equivalent natural uranium hexafluoride and 6 million separative work units per year of low-enriched uranium.

Separative work units measure the effort needed to enrich uranium. Enrichment is a bottleneck in the nuclear fuel chain, and Western governments have been seeking additional supply. Laser enrichment is a different technology from the centrifuges used by existing producers, which is why technology readiness matters.

The environmental statement identified small-to-medium effects on surface water, ecology, transportation and socioeconomics, with socioeconomic effects mostly positive, and small effects on all other resource categories.

What Silex does and how it earns money

Silex develops and licenses laser-based technology. Its Revenue is not from selling enriched uranium. Because it owns most of GLE, it also bears a share of GLE's losses.

The next target is TRL-7. Net loss was $38.6 million, compared with $42.6 million the prior year, as higher revenue and interest income were partly offset by a larger share of GLE losses and higher employee costs.

Funding and balance sheet

Cash and term deposits were $180.7 million at 30 June 2026, with no corporate debt. Net Assets rose 121 per cent to $201.2 million. During the period Silex raised $130 million through an institutional Placement and $19.4 million through a share purchase plan. No dividends were declared.

Public support for GLE is also growing. The US Department of Energy awarded GLE US$28.5 million in January 2026, and Kentucky and McCracken County gave preliminary approval in March 2026 to a performance-based incentive package worth about US$98.9 million.

A second project: silicon enrichment

Silex's Quantum Silicon, or Q-Si, project aims to produce enriched silicon, with Quantum Computing the intended market. Construction of the plant in Sydney is complete and commissioning is under way. Commissioning is expected to finish in late 2026, with sample production in early 2027.

Sector conditions and competitive position

Global interest in nuclear power has increased, and governments in the United States and allied countries have been seeking more domestic enrichment capacity. Existing enrichment Supply is concentrated among a few large producers, which is the strategic gap that new entrants aim to fill.

Silex's competitive position depends on whether its laser technology can be scaled up commercially at competitive cost. TRL-6 is a significant development step, but it is not commercial demonstration. Customers such as utilities typically Demand proven reliability before committing to long-term supply.

Material risks and uncertainties

Regulatory risk is the first. Technology risk is second: moving from pilot demonstration to full-scale production has historically been difficult for new enrichment methods.

Third is financing and cost. A plant of this scale requires large Capital commitments, and Silex's share of funding obligations, project Economics and partner arrangements will matter. Fourth is market risk: demand and pricing for enrichment services depend on policy, reactor build-out and competing supply.

What to watch next

Dates are company expectations rather than commitments.

A balanced view

The final environmental statement is a positive procedural milestone, supported by encouraging cash after a capital raising and public funding for the project. Even so, Silex remains a development-stage technology company. The path from licence to commercial enrichment is long, and each stage carries execution and funding risk that investors should weigh carefully.