Energy System Modelling and Optimisation

The development of novel energy technologies calls for accurate models capable of predicting their performance and operational issues, as well as effective optimisation tools to determine the most advantageous design and operating solutions. Since the early 90’s, the GECOS group has developed and validated detailed models of advanced energy systems (cooled expanders, fuel cells, membranes, etc) in collaboration with leading energy companies and research institutes. These models are integrated with state-of-the-art numerical methods with the final aim of determining the optimal process design, heat integration/recovery, planning/scheduling and operation.

Energy Systems Modelling

Accurate design and/or operation models and simulation codes of advanced energy technologies

Cooled turbines

Fuel cells

CO2 capture processes


Chemical looping

Biogas upgrading processes

Process Optimisation

Ad-hoc algorithms and codes for the optimisation of novel energy systems:

Polygeneration plants

Oxy-combustion power plants

SCO2 cycles


...and CO2 capture and storage processes:




Heat integration and recovery

Systematic process heat integration methods:

Pinch Analysis

Energy targeting

Heat exchanger network synthesis

...and optimisation of heat recovery cycles:

Heat pumps

Organic Rankine Cycles (ORCs)

Heat Recovery Steam Cycles (HRSCs)

For further information, contact Prof. Emanuele Martelli at

Related Projects

Recent publications

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