The report "Off-grid Renewable Energy Statistics 2021" by IRENA provides an overview of the global off-grid renewable energy sector. It highlights the increasing importance of off-grid renewable energy in meeting energy access needs and reducing carbon emissions. The report also notes that the share of off-grid renewable energy in the global energy mix is expected to continue growing in the coming years. The report is based on data from various sources and provides a comprehensive analysis of the current state and future prospects of the off-grid renewable energy sector.