The report, supported by sector coupling, explores the integration of variable renewable energy in cities on the path to net-zero. The case study of Wuzhong District in Suzhou, China, highlights the importance of collaboration among different sectors to achieve this goal. The report emphasizes the need for appropriate policies and technologies to facilitate the integration of renewable energy in cities. The International Renewable Energy Agency (IRENA) serves as a platform for international cooperation and provides policy, technology, resource, and financial knowledge to advance the transformation of the global energy system. The report acknowledges the technical contribution of Empa and the valuable feedback from experts.