Wahyudi , M.L. and Arifin, Z. 2026. Optimization of Grid-Connected PV System Design Integrated with BESS for Green Hydrogen Production Using PVsyst at PT PLN Nusantara Power UP Gresik. Journal of Authentic Research. 5, 1 (Mar. 2026), 921–940. DOI:https://doi.org/10.36312/37vgec95.