Facing energy security challenges, Indian Oil Corporation Limited (IOCL) has installed a 150-kW rooftop solar system at its Guwahati facility. This initiative aims to enhance operational resilience, reduce reliance on conventional power, and cut costs. The system is projected to save Rs 13.8 lakh annually and offers a quick ROI, bolstering energy reliability in a region prone to grid disruptions and supporting India's clean energy goals.