Yuliansyah, Rendy, Aditya Idamsyah, Irwan Paundra, and Bambang Priyono. “Techno Economy Comparison of Conventional Generating Unit and Lithium Battery Energy Storage As a Primary Frequency Regulation of Variable Renewable Energy Penetrated Grid System, Case Study: Southern Sulawesi of Indonesia”. European Journal of Engineering Science and Technology 4, no. 3 (December 20, 2021): 25–38. Accessed May 9, 2026. https://dpublication.com/journal/EJEST/article/view/739.