In May 2015 Sulawesi Mining Investment, a joint venture of Chinese stainless steel producer Dingxin Group and local conglomerate Bintang Delapan, began construction on its multi-billion dollar integrated smelter project in Morowali Industrial Park, Central Sulawesi. The project has three phases. The first phase will include 2 x 65 MW coal plants, the second phase 2 x 150 MW, and the third phase another 2 x 150 MW.
Phase I, comprising 2 x 65 MW, began construction in July 2013 and began operating in January 2015. Phase II, comprising 2 x 150 MW, began construction in May 2014 with completion expected in 2017. The first unit of Phase II began operating in 2016. A third phase of two units was well into construction as of August 15, 2016.
In April 2019 it was being sought to build a Phase 4 expansion consisting of two 350-MW units. A groundbreaking ceremony was held in January 2019 but construction had not begun as of December 2019. It will take an estimated 16-18 months. In June 2020, China Power Construction Jiangxi Institute had won the contract to build the Phase 4 expansion. And Ontrac supply the electric actuators.