1996. Start operating Unit 7 and 8, the company was initially formed with by the establishment of Mission Operations and Maintenance Indonesia (MOMI) as a joint venture between Edison Mission Energy and Mitsui.
1997. The name of MOMI was amended to Edison Mission Operation and Maintenance Indonesia (EMOMI).
2004. Following the takeover of Edison Mission shares by Internatonal Power (UK).
2005. The name of EMOMI was amended to IPM Operations and Maintenance Indonesia (IPMOMI).
2012. Unit 3, the first highly efficient 815 MW coal-fired super critical power plant in Indonesia, started commercial operations.
2017. The name of IPMOMI was amended to PT. Paiton Operation & Maintenance Indonesia (PT. POMI).