GreenEnergy-2027 is the World Congress on Sustainable Energy, Climate Solutions and Green Technologies, bringing together researchers, engineers, policymakers, industry leaders, investors, and sustainability professionals in London, UK from July 26-28, 2027. The congress focuses on practical and emerging pathways for decarbonization, including renewable energy, advanced storage, green hydrogen, smart grids, carbon management, sustainable industry, circular materials, climate adaptation, and integrated net-zero systems. Energy storage is highlighted as a strategic research area, supported by the IEA’s 2026 energy innovation assessment, which reports that storage represented 40% of energy-related patenting in 2023.