Idemitsu Kosan, Japan's second-biggest oil refiner, will also receive a royalty payment based on the price and volume of coal to be sold from Ensham in 2023 and 2024, it said in a statement.

Sungela is 75% owned by Thungela Resources, with 12.5% satkes held by Mayfair Corporations Group and Audley Energy Ltd, Idemitsu said.

($1 = 1.4158 Australian dollars)

(Reporting by Yuka Obayashi; Editing by David Goodman)