Dec 6 (Reuters) - Indonesia's production capacity of nickel metal is expected to hit 2.2 million metric tons in 2023, said Septian Hario Seto, a deputy minister in Indonesia's Coordinating Ministry for Maritime Affairs and Investment, said on Wednesday.

The estimated utilisation rate of the production capacity is expected at 75%-79%, according to his presentation at the Fastmarkets China Battery Raw Materials Conference in Shanghai. (Reporting by Siyi Liu in Shanghai and Mai Nguyen in Hanoi; Editing by Jacqueline Wong)