The Renewable Capacity Statistics 2021 report by IRENA provides a comprehensive overview of the global renewable energy capacity as of 2021. The report covers a wide range of renewable energy sources, including solar, wind, hydro, geothermal, and bioenergy. The data presented in the report shows that renewable energy capacity has continued to grow rapidly, with solar and wind power leading the way. The report also highlights the challenges and opportunities associated with the transition to a sustainable energy future. Overall, the report provides valuable insights into the current state of renewable energy and the potential for further growth in the future.