Australian miner Whitehaven Coal recorded declines in managed raw coal output over the first quarter of the fiscal year 2025-26 (ending June 2026), according to its latest quarterly report, which reversed growth in the preceding quarter.

The company's managed run-of-mine (ROM) coal production stood at 9.05 million tonnes during the given period, falling 7% YoY and 15% QoQ. Equity raw coal output dropped 5% YoY and 13% QoQ to 7.24 million tonnes.

Queensland's managed ROM coal production descended 12% YoY and 17% QoQ to 4.69 million tonnes over July-September, while its equity raw coal output dived 12% YoY and 16% QoQ to 3.72 million tonnes.

Daunia mine's production remained flat QoQ at 1.5 million tonnes, while Blackwater mine registered a 21% fall in output of 3.2 million tonnes due to the strong performance and a continued focus on pre-strip to support sustainable production in the June quarter.

In New South Wales, managed ROM coal production remained virtually flat YoY yet slid 12% QoQ to 4.36 million tonnes. This came "after being modestly affected in the quarter by flooding at the open cut mines, but partially offset by improved output from Narrabri following the long wall move in the previous quarter", according to CEO & Managing Director Paul Flynn.

NSW's equity raw coal output hiked 2% YoY but declined 11% QoQ to 3.52 million tonnes, the report said.

Over the September quarter, managed coal sales of the company rose 6% YoY and 1% QoQ to 7.49 million tonnes. Equity sales of produced coal increased 4% YoY yet declined 1% QoQ to 5.88 million tonnes.

Queensland's equity sales of produced coal dropped 7% QoQ to 3.04 million tonnes, while NSW equity sales advanced 6% QoQ to 2.84 million tonnes.

Sales from Blackwater were 5% higher QoQ at 3.0 million tonnes owning to healthy opening inventory levels and improved port throughput, the report said. Daunia's sales stood at 1.0 million tonnes, down 26% QoQ.

The average selling price of Whitehaven coal was A$188/t ($122/t) in July-September, with Queensland metallurgical coal selling price at A$200/t and NSW thermal coal selling price at A$175/t.

Whitehaven maintains its FY26 guidance unchanged, targeting 37.0-41.0 million tonnes of managed ROM coal production and 29.5-33.0 million tonnes of managed coal sales.