INTRODUCTION
Organic Rankine Cycles (ORCs) power plants are gaining ever increasing interest as cost-effective sustainable energy systems. By using an appropriate organic working fluid in a Rankine thermodynamic cycle, ORC power plants are able to efficiently convert renewable energy sources into electricity. Their power capacity spans from few kW_e to few MW_e for a single unit, but multiple units in parallel can make up a multi megawatt power station. Among the multitude of applications of this technology, several stand out: ORC systems can be used to obtain electricity from geothermal reservoirs, biomass combustion and gasification, solar radiation, waste heat recovery from internal combustion engines and gas turbines, as well as a large variety of industrial processes discarding heat at low and moderate temperatures. The ORC market is growing at an impressive pace, with currently many hundreds of units of various sizes operating reliably for many years all over the world. Research and development in scientific and technical fields related to ORC technology is very active and growing, as the room for improvement is still large. 

You can watch a mini-lecture of Prof. P. Colonna on ORC turbogenerators on YouTube. 
 

The International Seminar on ORC Power Systems provides an exciting opportunity to learn and discuss about the latest advances in ORC research & development, application/demonstration and a variety of issues related to ORC energy systems. The seminar features presentations by scientific groups, leading ORC companies and expert users at the forefront of ORC research and development. Themes include System Optimization, Applications, Simulation and Design Tools, Operational Experience, Prototypes, Components, and Working Fluids.