The Renewable Energy Conference 2021 and EXPO (REC21 & EXPO) marked a significant milestone as the inaugural annual conference dedicated to advancing renewable energy solutions. Held in 2021, REC21 & EXPO brought together industry leaders, policymakers, experts, and enthusiasts from diverse sectors to explore the latest trends, innovations, and best practices in renewable energy. With engaging sessions, thought-provoking discussions, and a vibrant exhibition showcasing cutting-edge technologies, REC21 & EXPO set the stage for fostering collaboration and accelerating the transition towards a sustainable and clean energy future.