This clean energy generation technology collection showcases transformative innovations from Stanford researchers advancing renewable energy technologies. These breakthrough discoveries promise to accelerate the global transition to clean energy by improving efficiency, reducing costs, and enabling new pathways for sustainable power generation. The collection features next-generation solar cell architectures including perovskite and tandem designs that push efficiency beyond 30%, advanced materials and coatings that enhance light capture and conversion, and novel manufacturing methods that enable scalable production. It includes cutting-edge hydrogen production technologies ranging from seawater electrolysis to thermochemical water splitting and methane pyrolysis, biological and electrochemical systems for converting waste to fuel and biogas, and emerging energy harvesting approaches such as radiative cooling and solar thermal systems. Together, these innovations address critical challenges in renewable energy deployment, grid decarbonization, and clean fuel production across transportation, industry, and power generation sectors. Key investigators driving these advances include Yi Cui, Hongjie Dai, Zhenan Bao, Shanhui Fan, William Chueh, and Arun Majumdar.