Coal sales revenue achieved for Blair Athol was $177 per tonne for the month of September, and forecast revenue for the December 2021 quarter is $230 per tonne.
"This forecast revenue, if achieved, will result in an operating cash margin in excess of $140 per tonne," the company said.
"Coal sales from Blair Athol for the December 2021 quarter are forecast to be approximately 575,000 tonnes, which represents an annualised run rate of 2.3 million tonnes per annum."
Terracom said Blair Athol's operating earnings before interest, tax, depreciation and amortisation for the month of September 2021 was $17.2 million.
The operating EBITDA result was achieved from coal sales of 170,000t, which represents an operating cash margin of $101/t.