This workshop serves as the main event of the 15th ITB International Geothermal Workshop, which will be held on 13th – 14th July 2026 at the Institut Teknologi Bandung Campus, Bandung, Indonesia. The event will feature representatives from key stakeholders in the geothermal sector as speakers, including the President of the Indonesia Geothermal Association (INAGA), a Minister from the Ministry of Energy and Mineral Resources, the President of the International Geothermal Association (IGA), and the President Director of Perusahaan Listrik Negara (PLN).

Various geothermal industries and research institutions will also be invited to provide valuable insights on a wide range of innovative and strategic topics in the geothermal sector. The committee will bring together more than 60 experts with expertise in exploration, engineering, education, regulation, economics, social, and environmental aspects to discuss developments and challenges in geothermal energy development.

All discussions will take place during the technical sessions, where submitted papers will undergo a rigorous review process. Accepted papers will be presented in either oral sessions or poster sessions, facilitating in-depth knowledge exchange and professional collaboration among participants.

Rundown Day 1: Keynote and Plenary Session


Timeline
(GMT+7)
TimeTitleSpeakerStatus
Opening Ceremony & Keynote Speech
08:30 - 08:355'Welcoming Remark from the CommitteeSuryantini
Chairman of 15th ITB International Geothermal Workshop
Confirmed
08:35 - 08:405'National Anthem: Indonesia Raya
08:40 - 08:455'Opening speech by ITB and symbolic opening of the event (striking the gong)Tatacipta Dirgantara
Rector of Institut Teknologi Bandung
Confirmed
08:45 - 09:0015'Opening Performance
09:00 - 09:2020'Keynote Speech-1: Beyond Conventional Geothermal: Indonesia’s Vision Toward Next-Generation ResourcesEniya Listiani Dewi
Director General of New, Renewable Energy and Energy Conservation
TBC
09:20 - 09:4020'Keynote Speech-2: Beyond Conventional Geothermal: Strengthening Indonesia’s Energy Security in an Uncertain WorldJulfi Hadi
President of INAGA
Confirmed
09:40 - 10:0020'Session Break
Plenary Session 1: Innovations and Challenges in Non-Conventional Geothermal Development
Moderator: Riostantieka Mayandari Shoedarto
10:00 -
10:20
20'Plenary Speech 1A:  Opportunity Converted Oil Well to GeothermalSuryantini
Institut Teknologi Bandung
Confirmed
10:20 -
10:40
20''Plenary Speech 1B: Supercritical Geothemal SystemYasuhiro Fujimitsu
Kyushu University
Confirmed
10:40 -
11:00
20'QnA Session
100 Years Pertamina Geothermal Energy Kamojang Area
Moderator: Ali Ashat
11:00 – 11:1010'Unlocking Geothermal Potential, Navigating Challenges, and Accelerating GrowthSupramu Santosa
Founder of Supreme Energy
TBC
11:10 – 11:2010'From Kamojang to the Future, Advancing Indonesia's Geothermal for Energy Security and SustainabilityAhmad Yani
President Director of PT Pertamina Geothermal Energy Tbk
Confirmed
11:20 – 11:3010'Enabling Geothermal Growth: Strengthening Policy, Regulation, and Government Support in IndonesiaPriatin Hadi Wijaya
Director of EBTKE
TBC
11:30 – 11:4010'Geothermal Resource Assessment and Reservoir Sustainability in Indonesia: Challenges and InsightNenny Miryani Saptadji
Academician and Geothermal Expert, Institut Teknologi Bandung
Confirmed
11:40 – 12:0020'QnA Session
12:00 – 13:0060'Lunch Break
Panel Collaboration with ITB
Host: Heru Berian Pratama
13:00 - 13:055'Kyushu UniversityJun NishijimaConfirmed
13:05 - 13:105'Hitachi High-TechAnsori MuchtarConfirmed
13:10 - 13:155'Rigsis IndonesiaFarhan Muhammadconfirmed
13:15 - 13:205'National Research and Innovation Agency (BRIN), Kyoto University and ITBKatsuaki KoikeConfirmed
13:20 - 13:255'Institute of Geology MalaysiaTBATBC
13:25 - 13:305'SeequentAndrew MulderConfirmed
13:30 - 13:355'ThermochemTBATBC
13:35 - 13:405'SolenisTBATBC
13:40 - 13:455'Signing MoU with ITB
Plenary Session 2: Advanced Technologies Driving the Future of Geothermal Energy
Moderator: Fauziah Maswah
13:45 - 14:0520'Plenary Speech 2A: Unlocking the Synergy between Geothermal Energy and CCUS for
Industrial Decarbonization in Indonesia
Aqsha
Lecturer and Researcher
at the Center of Excellence for CCUS, ITB
Confirmed
14:05 - 14:2520'Plenary Speech 2B: Beyond Conventional Boundaries: AI-Driven Mineral Intelligence for
the Future of Geothermal Energy
Jonathan Knapp
Director of Business Development Hitachi
Confirmed
14:25 - 14:4520'Plenary Speech 2C: Closed-loop / Hot Dry RockGraeme Beardsmore
Senior Fellow, University of Melbourne
Confirmed
14:45 - 15:0520'Plenary Speech 2D: From Chemistry to Megawatts: Maximizing Geothermal Assets to Lower
the Carbon Footprint in Southeast Asia
Nur Choiri Amin
Technical & Bussiness Development Advisor,
Solenis Geothermal SEA
Confirmed
15:05 - 15:2520'QnA session
15:25 - 15:4520'Session Break
Plenary Session 3: Company Update
Moderator: Ahmad Yuniarto
15:45 - 16:0015'Plenary Speech 3A: Pertamina Geothermal Energy
Geoflowtest Technology
Tumpal Parulian Nainggolan
Senior Engineer Production Pertamina Geothermal Energy
Confirmed
16:00 - 16:1515'Plenary Speech 3B: Star Energy Geothermal
A 30+ years of Geothermal Success Stories at Salak Field
Gede K.D.S. Giri
Head of Resource Operations and Maintenance, Salak Geothermal Field
Confirmed
16:15 - 16:3015'Plenary Speech 3C: Supreme Energy
Maintaining Reliable Power Generation: Experience from Muara Laboh Geothermal Field
Munggang Hendro Purnanto
Plant Manager Muara Laboh
Confirmed
16:30 - 16:5020'QnA session
16:50 - 17:0515'Plenary Speech 3D: Geo Dipa Energi
Potential and Challenges in Exploring Mineral Extraction from Geothermal Brine
Elfina
Head of Business Development Division
Confirmed
17:05 - 17:2015'Plenary Speech 3E: Medco Cahaya GeothermalIsto Saputra
Senior Manager Subsurface
Confirmed
17:20 - 17:3515'Plenary Speech 3F: Sarulla OperationsMelva Samosir
External Relations & CSR Senior Manager
Confirmed
17:35 - 17:5520'QnA session
17:55 - 18:5560'Networking Night

For Registration: https://workshop.geothermal.itb.ac.id/2026/registration/

Contact Person: Rezki (+6285823522117), Akbar (+6282144880227), Hussein (+6285161862399)