Nindia Nova Novena, and Royb Fatkhur Rizal. “Planning Analysis and Efficiency Comparison of On-Grid, Off-Grid, and Hybrid Grid-Tied Rooftop Solar Power Systems for the Development of the Control Building of Perum Jasa Tirta 1 3, WS Brantas Division”. Jurnal Engine: Energi, Manufaktur, dan Material 10, no. 1 (May 19, 2026): 070–082. Accessed May 22, 2026. https://ejournal.up45.ac.id/index.php/Jurnal_ENGINE/article/view/2676.