The report, prepared by IRENA in partnership with the League of Arab States (LAS), the Regional Center for Renewable Energy and Energy Efficiency (RCREEE) and the Islamic Development Bank (IsDB), provides insights into power sector planning in Arab countries, with a focus on incorporating variable renewable energy sources. The report emphasizes the importance of incorporating variable renewable energy sources into power sector planning, given the growing demand for clean and sustainable energy in the region. The report also highlights the challenges and opportunities associated with incorporating variable renewable energy sources into power sector planning, and provides recommendations for policymakers and stakeholders to consider. Overall, the report provides valuable insights and recommendations for Arab countries to incorporate variable renewable energy sources into their power sector planning, and to achieve sustainable development, energy access, energy security and low-carbon economic growth.