There are 5 forms of JOC in Indonesia, namely JOC Darajat (Star Energy Geothermal), JOC Gunung Salak (Star Energy Geothermal), JOC Wayang Windu (Star Energy Geothermal), JOC Sarulla (Sarulla Operations Ltd), and JOC Bedugul (Bali Energy Ltd). JOC Bedugul is the only JOC that is not yet commercial and will develop its significant proven reserves soon.
In relation to the JOC, the production results from the implementation of the JOC are sold to the Buyer which is the State Electricity Company PLN based on the Energy Sales Contract (ESC).