Why Powerhaus Uranium (ASX:POW) Shares Are Falling Today

Sonal Goyal

20 October 2026 09:18 PM AEDT

Why Powerhaus Uranium (ASX:POW) Shares Are Falling Today

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Key highlights

Powerhaus Uranium Ltd (ASX:POW) touched a 52-week low during the 20 October 2026 session and closed at $0.16, down 8.57%.
Powerhaus began a radiometric survey and grab sampling program over an initial 9 square kilometres at Terrace del Molle, according to its 6 October 2026 announcement.
Assay results are expected in late Q4 2026, and a 4,000 to 5,000 metre drilling program is targeted for November 2026, subject to environmental permits.

Powerhaus Uranium Ltd (ASX:POW) touched a 52-week low during the Trading session on 20 October 2026 and closed at $0.16, down 8.57%. Powerhaus’s latest announcement covered here was released on 6 October 2026 and said field crews had mobilised at the Terrace del Molle calcrete uranium target in its Malbec Project in Argentina. No latest announcement has driven the share price move, so the announcement is described below on its own terms.

About Powerhaus Uranium

Powerhaus Uranium Limited is a uranium explorer whose 100%-owned Central Malbec Project is in Chubut Province, Argentina. The company listed on the ASX on 24 August 2026 and funds its exploration from the $9 million raised in its IPO.

Central Malbec hosts two target types: near-surface, calcrete-hosted uranium within Quaternary calcrete terraces, and a deeper sandstone-hosted target in the Palaeocene Salamanca Formation, based on a roll-front model potentially amenable to in-situ recovery.

The Terrace del Molle program

Powerhaus said field crews have mobilised and started a staged radiometric survey and grab sampling program at Terrace del Molle, the largest continuous calcrete terrace identified at Central Malbec, extending over about 17 square kilometres. The initial survey covers about 9 square kilometres within one of the company’s granted Malbec Centro exploration permits.

Previous surface grab samples at Cerro Tacho, on the southern extension of the terrace, returned 523 ppm and 344 ppm U3O8, among the highest-grade calcrete-hosted results reported to date at Central Malbec.

Staged work and timing

The first stage is a ground radiometric survey on a 400 metre by 400 metre grid. Where elevated responses are detected, closer-spaced measurements will follow, and selected anomalies will be investigated through shallow excavation and grab sampling at an average depth of about 0.5 metres.

Assay results are expected in the fourth quarter of 2026. Subject to results, mechanical trenching to depths of 2 to 3 metres is planned for the first quarter of 2027, followed by sonic drilling in 2027.

Roll-front drilling plans

The calcrete program runs alongside preparations for a planned 4,000 to 5,000 metre drilling program to test the Salamanca Formation roll-front target at Central Malbec. Drilling is targeted to start in November 2026, subject to receipt of environmental permits. The calcrete program is the first field activity since the company’s ASX listing.

Sector backdrop

Calcrete-hosted uranium is a near-surface style of mineralisation, and explorers typically test it with radiometric surveys, trenching and shallow drilling before considering resource estimation. Roll-front uranium targets in sandstone can be suited to in-situ recovery but require drilling and hydrogeological work.

Exploration in Argentina depends on provincial permits and environmental approvals, which affect drilling timetables.

Risks shareholders should weigh

The calcrete results to date are surface grab samples from a limited area and do not define a resource. Assay results are still to come, and the extent of mineralisation across the wider terrace is unknown.

The roll-front drilling program depends on receipt of environmental permits, and a November start is a target, not a confirmed date. Powerhaus is an early-stage explorer funded from a $9 million IPO, and further work may require more capital.

What’s next

Items to watch include the radiometric survey and grab sampling results in late Q4 2026, the receipt of environmental permits and start of drilling targeted for November 2026, trenching planned for the first quarter of 2027 and sonic drilling in 2027.

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