Operational and Environmental Optimization through Lean and Life Cycle Assessment in a Coal-Fired Power Plant
Optimasi Operasional dan Lingkungan melalui Lean dan Life Cycle Assesment di Pembangkit Listrik Tenaga Batubara
DOI:
https://doi.org/10.21070/ups.9052Keywords:
Lean Thinking, Life Cycle Assessment, Energy Efficiency, Coal-Fired Power Plants, Environmental ImpactAbstract
This study highlights the critical need for energy efficiency improvements and environmental impact reduction in coal-fired
power plants. The main objective is to evaluate the integration of Lean Thinking and Life Cycle Assessment (LCA) methods to
optimize operational performance and sustainability in a 25 MW coal-fired power plant in Indonesia. With a quantitative research
design, the study analyzes auxiliary power consumption, boiler combustion efficiency, and emissions before and after Lean-based
interventions, supported by LCA impact assessment using Open LCA software and TRACI method. The results show a decrease in
auxiliary power consumption from 14.75% to 11.75% of total production, an increase in steam production by 3.75% per ton of
coal, a decrease in coal consumption per kWh by 3.48%, and a reduction in Global Warming Potential by 10.12%. Discussion
highlights the synergy between operational efficiency and environmental benefits, while acknowledging the trade-offs of small
increases in acidification and particulate emissions. This study enriches insights by empirically linking Lean operational
improvements to environmental impact reduction, and provides a practical framework for sustainable energy generation. These
findings confirm that an integrative Lean-LCA approach is essential to balance economic and ecological objectives in fossil fuel
power plants
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