The present invention relates to a passive low temperature heat energy organic working fluid power generation method and system, Comprising: organic working fluid in a first evaporator and a second evaporator are heated to evaporate; when a pressure of the organic working fluid. . The present invention relates to a passive low temperature heat energy organic working fluid power generation method and system, Comprising: organic working fluid in a first evaporator and a second evaporator are heated to evaporate; when a pressure of the organic working fluid. . We consider it self-evident that volatile fluids will continue to play major roles in cooling and power generation, however, new technologies will be needed that optimise energy efficiency and safety with minimum environmental impact. Among many well-proven technologies, the ORC is one of the most favorable and promising ways for low-temperature applications. In comparison to water, organic. . al Energy Storage (PTES) provides economic long-duration electrical energy stor-age free of geographical limitations.