Researchers from Egypt and the UK developed a new floating PV system concept that utilizes compressed air for energy storage. The system has a roundtrip efficiency of 34. Scientists from the Port Said University in Egypt and the University of Strathclyde in the. . els in the global energy mix, braking th and solar in particul pri y systems for not onl explore the potential of CAES sys was opt Also, an economic study was performed to assess e economi PhD experience has been fille and Prof. Saff luable guidance over to compl funding- the Dea n the U. . The project, considered the world's largest solar-storage project, will install 3. 5GW of solar photovoltaic capacity and a 4. [pdf] The Republic of Fiji has invited international bids for a 100 kW solar mini-grid with battery. . The project aims at providing the scientific, technological and policy basis required for the development and implementation of large-scale energy storage in Egypt, enabling increased penetration of renewable energy sources in the Egyptian energy system.