Perma‑Fix Environmental Services, Inc. (PESI) received a final Dangerous Mixed Waste Permit Renewal for its Perma‑Fix Northwest (PFNW) facility in Richland, Washington, on January 9 2026. The renewal, effective January 1 2026, updates the 1999 permit to reflect the facility’s current treatment units, infrastructure, safety systems and operating practices.
The new permit triples PFNW’s authorized liquid mixed‑waste processing capacity from roughly 400,000 gallons per year to about 1.2 million gallons per year. It also authorizes the facility to process up to 175,000 tons of waste annually through macroencapsulation, giving the company operational flexibility to handle a broader range of complex waste streams.
The expansion positions PFNW to support the West Area Tank retrieval milestones at the Hanford site, a critical phase of the long‑term cleanup of aging underground storage tanks. Because PFNW is the only licensed mixed‑waste treatment facility within close proximity to Hanford, the increased capacity strengthens PESI’s competitive advantage and enhances its ability to secure future waste‑management contracts in the region.
Financially, PESI’s Q3 2025 results showed revenue of $17.5 million, up 4% from $16.8 million a year earlier, and gross profit of $2.6 million, a 100% increase from $1.3 million in the prior year. The Treatment segment drove the majority of the growth, with revenue rising 45% to $13.1 million and gross margin improving to 17.3% from 4.5%. The Services segment, however, experienced a decline in revenue and margin, reflecting headwinds in on‑site waste‑management services.
CEO Mark Duff said the permit renewal “approximately triples our permitted liquid mixed‑waste processing capacity using infrastructure that is already in place,” underscoring the strategic importance of the expansion. Duff added that the new capacity will allow PFNW to take on larger and more complex contracts, particularly those tied to Hanford’s cleanup schedule, and that the company is positioning itself to capture a larger share of the regional market as the West Area Tank program progresses.
Market reaction to the renewal has been positive, with analysts noting that the expanded capacity aligns with the anticipated demand from Hanford’s upcoming tank retrieval milestones. The renewal also supports PESI’s recent earnings beat, which was driven by strong performance in the Treatment segment and disciplined cost management, giving investors confidence in the company’s ability to translate regulatory gains into revenue growth.
In summary, the permit renewal not only expands PFNW’s operational footprint but also strengthens PESI’s strategic positioning near a major cleanup site, providing a clear path to increased contract volume and improved financial performance in the coming years.
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