PLTS Rooftop PT Smart Tbk promotes energy efficiency and sustainable industrial operations in Tarjun, South Kalimantan, with a rooftop project of 1,200 kWp capacity. It uses LONGi LR5-72HPH-545M PV modules for optimal solar energy collection and a Sungrow SG125CX inverter for reliable power supply, supporting large-scale production and reducing carbon emissions.