Pengaruh Beban Operasi terhadap Nilai Net Plant Heat Rate (NPHR) pada Pembangkit Listrik Tenaga Uap
DOI:
https://doi.org/10.55123/insologi.v5i2.7977Keywords:
NPHR, ANOVA, PLTU, EfficiencyAbstract
This study aims to analyze the effect of variations in operating load on the Net Plant Heat Rate (NPHR) at a 3×10 MW coal-fired power plant. The independent variables examined are the generator operating loads at 50%, 75%, and 100%, while the dependent variable is the NPHR value. The research data consists of 30 samples distributed proportionally across each load level. Data analysis was performed using a one-way Analysis of Variance (ANOVA) to test the significance of differences in the mean NPHR values across the operating load variations. The results indicate that variations in operating load significantly affect the NPHR value (p-value < 0.05). The highest average NPHR value was obtained at 50% load at 4160 kcal/kWh, then decreased at 75% load to 3861 kcal/kWh, and reached the lowest value at 100% load at 3625 kcal/kWh. These results indicate that an increase in operating load correlates with a decrease in the NPHR value and an increase in the plant’s thermal efficiency. Thus, operating the coal-fired power plant under conditions approaching optimal design capacity can improve fuel efficiency and support the optimization of the plant’s operational performance.
Downloads
References
Alkahfi Samanglangi, AM., Fiyana, L., Nawir, M., Nojeng, S., Syarifuddin, A. 2024. Analisis Pengaruh Perubahan Pembebanan Listrik Terhadap Konsumsi Spesifik Bahan Bakar Pembangkitan, Heat Rate Dan Efisiensi Pada Unit 8 PLTU PT. Indonesian Tsingshan Stainless Steel. Jurnal Logitech Vol. 7 No. 1, Maret 2024. https://doi.org/10.64109/logitech.v7i1.2
Ariyandi, A., Taqiyuddin, & Patriana, D. (2024). Analisis variasi pembebanan terhadap konsumsi bahan bakar spesifik, heat rate dan biaya produksi listrik di PLTU Asam-Asam Unit 4. Jurnal Teknik Elektro UNIBA, 9(1). https://doi.org/10.36277/jteuniba.v9i1.298
Febrianto, M. R., Widiawaty, C. D., & Wijayanti, F. (2025). Analisis Pengaruh Perubahan Beban Terhadap Nilai Turbin Heat Rate dan Efisiensi Termal Turbin pada PLTU Cilacap. Jurnal Mekanik Terapan, 6(3), 117–124. https://doi.org/10.32722/jmt.v6i3.7610
Hamzah, N., Shiddiq Yunus, AM., Dirgantama, D. 2021. Analisis Pengaruh Perubahan Beban Terhadap Heat Rate pada Unit Pembangkit Listrik Tenaga Uap (PLTU) Jeneponto 2 135 MW. Jurnal Teknik Mesin Sinergi, https://doi.org/10.31963/sinergi.v18i2.2674
Ilham, M., Salimin., Aksar, P. 2021. Analisis Pengaruh Nilai Beban Unit Terhadap Efisiensi dan Heat Rate Turbin Pada Pltu Moramo. ETHALPY: Jurnal Ilmiah Mahasiswa Teknik Mesin Vol. 6 (3), September 2021 : Hal 107-113.
Kocak, G., & Durmusoglu, Y. (2023). Exergy efficiency and EEXI analysis of a marine power plant at partial load conditions. Proceedings of the Institution of Mechanical Engineers, Part M: Journal of Engineering for the Maritime Environment, 238(3), 543–552. https://doi.org/10.1177/14750902231207133
Kurniawan, E., Putro, P., & Sari, N. (2023). Analisis performa sistem energi menggunakan pendekatan statistik dan uji ANOVA. Jurnal Informatika dan Teknik Elektro Terapan, 11(3), 210–218.
Liu, Y., Zhang, X., & Li, J. (2024). Thermodynamic analysis and operation strategy optimization of coupled molten salt energy storage system for coal-fired power plant. Applied Thermal Engineering. https://doi.org/10.1016/j.applthermaleng.2023.121702
Maulana, D. & Mursadin, A. (2025). ANALISIS HEAT RATE PADA PLTU PT. PLN INDONESIA POWER UBP ASAM ASAM (UNIT 2). JTAM ROTARY (Jurnal Teknik Mesin dan Rotary). 10.20527/jtam_rotary.v7i2.16772
Migisha, A. G., Ntayi, J. M., Buyinza, F., Senyonga, L., Abaliwano, J., & Adaramola, M. S. (2023). Electricity reliability and efficiency challenges in developing countries: A case for sustainable energy transitions. Renewable and Sustainable Energy Reviews, 170, 112–120. https://doi.org/10.1016/j.rser.2022.112120
Montgomery, D.C. 2019. Design and Analysis of Experiments. Eighth Edition. John Wiley & Sons, Inc. ISBN 978-1-118-14692-7
Narwastu, K., & Zarma Putra, I. (2024). PENGARUH KUALITAS PASOKAN BATUBARA TERHADAP HEAT RATE DI PEMBANGKIT LISTRIK TENAGA UAP (PLTU) TANJUNG KASAM PLN BATAM. JURNAL REKAYASA ENERGI, 3(2), 57–64. https://doi.org/10.31884/jre.v3i2.63
Nisa, K., & Nugraha, F. (2025). Evaluasi kinerja termal pembangkit listrik tenaga uap berdasarkan net plant heat rate. Jurnal Teknik Energi Indonesia, 14(1), 45–52.
Putra, A.R., & Nazir, R. (2023). Power Plant Performance Analysis on Variations of Generator Loading at Ombilin Coal Fired Steam Power Plant Unit 1 (2x100 MW). Andalasian International Journal of Applied Science, Engineering and Technology, 3(2), 80–88. https://doi.org/10.25077/aijaset.v3i2.58
Saputro, D., Maulana, I., & Setiawan, D. (2022). Pengaruh variasi beban terhadap efisiensi pembangkit listrik tenaga uap. Jurnal Ilmiah Teknik Mesin, 10(2), 75–83.
Setyawan, E.A. & Sudiarto, B. 2024. Optimization of Heat Rate and Greenhouse Gas Emission Reduction at Coal-Fired Power Plants in Indonesia Through Machine Learning Modeling. International Journal of Electrical Computer and Biomedical Engineering 2(4). DOI:10.62146/ijecbe.v2i4.77
Sumarna, H., Wulandari, S., Lestari, T. 2024. Thermal Performance Analysis of a Shell and Tube Condenser in Steam Power Plant. Proceedings of the 7th FIRST 2023 International Conference on Global Innovations (FIRST-ESCSI 2023). 10.2991/978-94-6463-386-3_53
Wahyudi, T., & Kusuma, Y. (2023). Analisis rugi-rugi heat rate PLTU Banten 3 Lontar akibat deviasi parameter pada kondisi aktual. Jurnal Konversi Energi dan Manufaktur, 9(1).
https://doi.org/10.21009/JKEM.9.1.2
Wood, A. J., Wollenberg, B. F., & Sheblé, G. B. (2013). Power Generation, Operation, and Control (3rd ed.). Wiley.
Zhou, W., Wang, L., & Yang, X. (2021). Thermodynamic analysis of coal-fired power plant based on the feedwater heater drainage-air preheating system. Applied Thermal Engineering. https://doi.org/10.1016/j.applthermaleng.2020.116420
Downloads
Published
How to Cite
Issue
Section
License
Copyright (c) 2026 Herlin Sumarna, Tri Satya Ramadhoni, Gurruh Dwi Septano, Purfaji Purfaji, Toni Okviyanto
This work is licensed under a Creative Commons Attribution 4.0 International License.
Hak cipta pada setiap artikel adalah milik penulis.
Penulis mengakui bahwa INSOLOGI (Jurnal Sains dan Teknologi) sebagai publisher yang mempublikasikan pertama kali dengan lisensi Creative Commons Attribution 4.0 International License.
Penulis dapat memasukan tulisan secara terpisah, mengatur distribusi non-ekskulif dari naskah yang telah terbit di jurnal ini kedalam versi yang lain, seperti: dikirim ke respository institusi penulis, publikasi kedalam buku, dan lain-lain. Dengan mengakui bahwa naskah telah terbit pertama kali pada INSOLOGI (Jurnal Sains dan Teknologi).
