Valiant Gold Limited (ASX:VAL) has commissioned a 6.1 MW power station at its 100%-owned Comet Gold Mine in Western Australia's Murchison region, completing the installation on schedule and within budget, the company disclosed on 4 November 2026.

Key Points

  • 6.1 MW power station, supplied by Silverstone Energy Pty Ltd, commissioned on time and within budget at the Comet Gold Mine
  • Primary ventilation fans are now fully operational following the commissioning of permanent power
  • Installation and commissioning of the permanent dewatering system is progressing
  • Comet Restart Study remains on track for completion by the end of Q2 FY27
  • First production at the Comet Gold Mine is targeted for H2 FY27

Power Station and Ventilation Commissioning at Comet Gold Mine

The 6.1 MW power station at the Comet Gold Mine, supplied by Silverstone Energy Pty Ltd, has been commissioned on time and within budget. Permanent power has enabled the primary ventilation fans to become fully operational. The power station has been designed to support planned underground mining, ventilation, dewatering, and the staged expansion of surface infrastructure. The transition to the permanent dewatering system is currently underway, with installation and commissioning progressing. The Comet Gold Mine is located in the Murchison region of Western Australia, 14 km by road from the Tuckabianna Mill and 110 km from the Bluebird Mill.

Comet Gold Mine Mineral Resource and Project Background

The Comet mine trend hosts an existing Mineral Resource Estimate of 3.77 million tonnes at 2.51 grams per tonne gold for 304,000 ounces of gold. The Comet Gold Mine sits within Valiant's Comet Gold Project and operates under an Ore Purchase Agreement with Westgold Resources, which secures processing capacity at the Tuckabianna and Bluebird mills. The company holds 100% of the Comet and Reedy gold projects, described as brownfields assets on granted Mining Leases with existing underground development and a combined Mineral Resource of 1.2 million ounces at 2.4 grams per tonne gold.

Upcoming Restart Milestones and Targeted Activities

Key activities targeted for the Comet Mine restart include completion of the Comet Restart Study and a preliminary restart mining schedule, expected by the end of Q2 FY27. The appointment of an underground mining services contractor is also targeted for completion by end of Q2 FY27. Additional planned activities include the delivery and mobilisation of an initial 30-person accommodation camp and the appointment of an underground drilling contractor, with commencement of grade-control and resource-definition drilling also targeted. The underground mining and drilling services tender is currently progressing, according to the filing.