Figure 1 Presentation of the Institute for Essential Services Reform (IESR) of its newest study titled “A Roadmap for Indonesia’s Power Sector: How Renewable Energy Can Power Java-Bali and Sumatra.”

Institute for Essential Services Reform (IESR) carried out a seminar titled “A Roadmap for Indonesia’s Power Sector: How Renewable Energy Can Power Java-Bali and Sumatra”. The event was held on February 21, 2019, in Jakarta. In the event, IESR presented its newest study of investigating the benefits of a significant renewable portion in Java, Bali and Sumatera power generation mix, both in economical and operational ways. The study was a collaborative work among IESR, Monash University and Agora.

The event was opened with a study’s key findings presentation by Fabby Tumiwa, the Executive Director of IESR. The detailed study was then explained by Ass. Professor Ariel Liebman, Ph.D., the Deputy Director of Monash Energy Materials and Systems Institute (MEMSI) in the second session. The next session was a panel discussion of invited energy experts and practitioners such as, Ir. Jisman Hutajulu (Director of Electricity Program Development of Directorate General of Electricity MEMR), M.M., Ir. Syofvi Felienty Roekman (Director of Corporate Planning PT. PLN), M.Sc, Dr. Surya Darma (Chairman of Indonesian Renewable Energy Society/ METI), Arthur Simatupang (Chairman of Association of Indonesia’s Independent Power Producers Association/APLSI), Prof. Dr. Iwa Garniwa (Professor of Electrical Engineering, Faculty of Engineering University of Indonesia) and Tata Mustasya (Regional Climate and Energy Campaign Coordinator at Greenpeace Southeast Asia).

In the study, IESR has modeled Indonesia’s alternative power system pathways to meet energy and climate targets from 2018 to 2027 using PLEXOS software. In the model, the study also simulated the impact of increasing wind and solar PV capacity significantly in the power system. The result showed a reduction in generation investment, utillization and power system cost. IESR also made suggestions to the Ministry of Energy and Mineral Resource (MEMR), as well as to PT. Perusahaan Listrik Negara (PLN) to consider alternative and low carbon scenarios in the National Electricity Plan (RUKN) with high renewable energy share. IESR then highlighted the need for a long-sighted strategic plan which aligns with renewable energy expansion measures, supporting policies and smooth implementations in the national to the regional level.


  1. Ocean Energy for Indonesia not only for Java and Bali. But, all over Indonesia need the Green Energy and need to start with Ocean Energy. We need to go there, right away.


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