Based on the 2023 Indonesian Statistics report from the Central Statistics Agency (BPS), Indonesia's coffee production reached 794.8 thousand Mt in 2022, an increase of around 1.1% compared to the previous year.
South Sumatera Province is the largest producers of the Robusta coffee, contributing 36% of the total national production. Followed by Lampung (21%), Bengkulu (11%). These 3 regions are contributing to 69% of the Indonesian Robusta coffee production. The other region is East Java province that contributed to 6%.
While the biggest producing region of the Arabica coffee are Aceh and North Sumatra provinces with shares of approximately 33% and 32% to the national production respectively. South Sulawesi and West Sumatra provinces, each share contribution is 12% and 6%.
For Arabica coffee, around 80% harvested from May to June, then followed by the Robusta coffee harvest period.
In a year, Robusta harvesting can be done twice in stages from February to March and the main harvest season is from April to September. The main harvest period usually lasts 4-5 months with a frequency of fruit picking every 10-14 days.