Researchers from King Fahd University of Petroleum and Minerals in Saudi Arabia have conducted a comprehensive study on green hydrogen production using standalone PV, CSP, and hybrid PV-CSP systems. The analysis included technical, economic, and environmental aspects, with a focus on locations like Dhahran and other regional cities. The study utilized advanced simulations to evaluate the performance and financial metrics of each solar technology. Results showed that while CSP systems offer higher capacity factors, PV-driven electrolysis presents the lowest projected cost for hydrogen production. The research emphasized the significance of considering factors like land use, water consumption, lifecycle emissions, and regional conditions in determining the feasibility of solar technologies for sustainable hydrogen production. The study's findings were published in the International Journal of Hydrogen Energy, highlighting the potential of hybrid PV-CSP systems in transitioning the Middle East towards a sustainable hydrogen economy.