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Technical Note
Online Published: 19 Aug 2024
 


Performance Analysis and Techno-Economic Evaluation of Solar Energy Retrofitting for Coal-Fired Power Plant in Central Kalimantan Province

Irfan Ali, Hadiyanto Hadiyanto, Asep Yoyo Wardaya.


Abstract
The power generation sector significantly contributes to climate change. Mitigation efforts are crucial to adhering to the global commitment to limit temperature increases below 2°C. One potential solution is retrofitting existing power plants with technologies that integrate renewable energy. This study explores the integration of solar energy into the operational processes of a coal-fired power plant in Central Kalimantan, replacing the extraction steam turbine in the high-pressure feed water heater No. 7. Using STEAG EBSILON for simulation, this research evaluates the power plant's performance before and after retrofitting in both power-boost (PB) and fuel-save (FS) modes under varying load conditions. The results demonstrate that thermal efficiency in both PB and FS modes increased by up to 2% compared to the base scenario. Specific fuel consumption decreased by 15.05 g/kWh in PB mode and 15.75 g/kWh in FS mode, leading to a reduction in coal consumption and CO2 emissions by 4.69% and 4.94% respectively. Additionally, the study observed that the solar percentage and solar-to-electricity efficiency increased as the load decreased. In FS mode, the solar electricity proportions at VWO, 100%, 75%, and 50% load rates were 5.23%, 5.53%, 7.76%, and 11.92%, respectively. The levelized cost of energy (LCOE) for solar electricity was calculated to be 431.82 IDR/kWh, with an expected investment return period of 5.87 years.

Key words: coal-fired power plant, CO2 emission, solar energy, retrofit scenario, power-boost (PB), fuel-save (FS).


 
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How to Cite this Article
Pubmed Style

Ali I, Hadiyanto H, Wardaya AY. Performance Analysis and Techno-Economic Evaluation of Solar Energy Retrofitting for Coal-Fired Power Plant in Central Kalimantan Province. Sol. Energy Sustain. Dev.. 2024; 13(2): 138-150.

doi:10.51646/jsesd.v13i2.205

Web Style

Ali I, Hadiyanto H, Wardaya AY. Performance Analysis and Techno-Economic Evaluation of Solar Energy Retrofitting for Coal-Fired Power Plant in Central Kalimantan Province. https://www.jsesd.org/?mno=302658302 [Access: November 12, 2026].

doi:10.51646/jsesd.v13i2.205

AMA (American Medical Association) Style

Ali I, Hadiyanto H, Wardaya AY. Performance Analysis and Techno-Economic Evaluation of Solar Energy Retrofitting for Coal-Fired Power Plant in Central Kalimantan Province. Sol. Energy Sustain. Dev.. 2024; 13(2): 138-150.


doi:10.51646/jsesd.v13i2.205

Vancouver/ICMJE Style

Ali I, Hadiyanto H, Wardaya AY. Performance Analysis and Techno-Economic Evaluation of Solar Energy Retrofitting for Coal-Fired Power Plant in Central Kalimantan Province. Sol. Energy Sustain. Dev.. (2024), [cited November 12, 2026]; 13(2): 138-150.


doi:10.51646/jsesd.v13i2.205

Harvard Style

Ali, I., Hadiyanto, . H. & Wardaya, . A. Y. (2024) Performance Analysis and Techno-Economic Evaluation of Solar Energy Retrofitting for Coal-Fired Power Plant in Central Kalimantan Province. Sol. Energy Sustain. Dev., 13 (2), 138-150.


doi:10.51646/jsesd.v13i2.205

Turabian Style

Ali, Irfan, Hadiyanto Hadiyanto, and Asep Yoyo Wardaya. 2024. Performance Analysis and Techno-Economic Evaluation of Solar Energy Retrofitting for Coal-Fired Power Plant in Central Kalimantan Province. Solar Energy and Sustainable Development, 13 (2), 138-150.


doi:10.51646/jsesd.v13i2.205

Chicago Style

Ali, Irfan, Hadiyanto Hadiyanto, and Asep Yoyo Wardaya. "Performance Analysis and Techno-Economic Evaluation of Solar Energy Retrofitting for Coal-Fired Power Plant in Central Kalimantan Province." Solar Energy and Sustainable Development 13 (2024), 138-150.


doi:10.51646/jsesd.v13i2.205

MLA (The Modern Language Association) Style

Ali, Irfan, Hadiyanto Hadiyanto, and Asep Yoyo Wardaya. "Performance Analysis and Techno-Economic Evaluation of Solar Energy Retrofitting for Coal-Fired Power Plant in Central Kalimantan Province." Solar Energy and Sustainable Development 13.2 (2024), 138-150. Print.


doi:10.51646/jsesd.v13i2.205

APA (American Psychological Association) Style

Ali, I., Hadiyanto, . H. & Wardaya, . A. Y. (2024) Performance Analysis and Techno-Economic Evaluation of Solar Energy Retrofitting for Coal-Fired Power Plant in Central Kalimantan Province. Solar Energy and Sustainable Development, 13 (2), 138-150.


doi:10.51646/jsesd.v13i2.205

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