Techno-economic analysis of an add-on geothermal power plant to utilise exhaust geothermal steam from a back-pressure turbine: a case study in Ulumbu geothermal field, Indonesia

Two add-on power plants, direct injection steam screw expander (DI-SSE) and binary organic Rankine cycle (ORC), are analysed. Various working fluids and PPTD are employed to optimise the technical and economic performance of the ORC system, while ACTD is used for the DI-SSE system. The thermodynamic...

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Bibliographic Details
Main Authors: Khasani Khasani, Ghiffari Awliya Muhammad Ashfania, Vincentius Adven Brilian, Roiyatul Hosnan, Lambok Renaldo Siregar, Tarwaji Warsokusumo
Format: Article
Language:English
Published: Taylor & Francis Group 2025-12-01
Series:International Journal of Sustainable Energy
Subjects:
Online Access:https://www.tandfonline.com/doi/10.1080/14786451.2025.2515443
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