Performance Evaluation of a Solar-Powered Organic Rankine Cycle System in the United States

This study investigates the performance and feasibility of a solar-powered Organic Rankine Cycle (ORC) system designed for renewable electricity generation in the United States. Utilising solar thermal energy as the primary heat source, the system integrates a parabolic trough solar collector with an efficiency of 30% to drive the ORC process. The cycle components are modelled with a turbine efficiency of 85% and a pump efficiency of 75%, reflecting practical operating conditions. The research aims to assess the thermodynamic efficiency, net power output, and environmental impact of the system under typical solar irradiance levels in selected U.S. regions. The skytrough system (CSP) was used for power capturing with area 665 sqm( 656+9sqm for max conditions -flat) with low O&M cost about (0.1 USD /kWh). Results from the simulation indicate that the proposed configuration offers a promising solution for sustainable energy production, especially in high solar potential areas such as the Southwest. The findings support the integration of ORC technology with solar collectors as a viable pathway to enhance grid decarbonisation and improve the utilisation of low-grade heat sources in clean energy applications.