Inovasi Ekonomi Sirkular Melalui Co-Firing PLTU Terbaik Di Jawa Timur: Evaluasi Target Dan Strategi Keberlanjutan
Keywords:
circular economy, co-firing, green supply chain management, power plant, sustainable business model, net zero emissionAbstract
This study aims to analyze the implementation of biomass co-firing programs as a circular economy business model innovation across three major Steam Power Plants (PLTU) in East Java—PLTU Paiton, PLTU Tanjung Awar-Awar, and PLTU Pacitan—and evaluate their green energy mix target realization throughout 2024. Adopting a qualitative descriptive approach utilizing operational secondary data, the study integrates the perspectives of Circular Economy Theory, Sustainable Business Model, Triple Bottom Line, and Green Supply Chain Management. The results reveal significant performance variations driven by the heterogeneity of upstream supply ecosystems. PLTU Paiton demonstrates superior and consistent performance (on-track achieving a 4.2%–4.8% mix) by optimizing local wood industry residues. Conversely, PLTU Tanjung Awar-Awar (1.8%–2.5%) and PLTU Pacitan (2.3%–3.1%) experience negative deviations from the ideal 5% target due to technical boiler derating, slagging and fouling risks from rice husk ash, and high raw material moisture content caused by traditional upstream drying methods. The formulated sustainability strategy recommends establishing multi-stakeholder circular institutional frameworks through cooperatives and integrating localized torrefaction technologies to secure supply chain stability and accelerate the transition toward Net Zero Emission.
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