The power to be certain
  • gCCS

    End-to-end high-fidelity whole chain systems modelling

    gCCS is the commercial system modelling tool for whole-chain carbon capture & storage systems that will be released by PSE at the end of the CCS System Modelling Took-Kit Project.

    gCCS operates like many standard process flowsheeting tools, but unlike these it contains high-fidelity models of all major CCS operations. In addition, powerful modelling and solution capabilities mean that it can be used for detailed steady-state and dynamic simulation and optimisation across large sections of CCS networks.

    The diagram below shows a 'drill-down' view from a whole CCS chain model (left) into a pulverised coal and CCGT power station models (centre and right).

    gCCS overview

    Major features

    gCCS is built on PSE's gPROMS advanced process modelling platform, and inherits many of the platform's powerful capabilities. Key features are:

    gCCS whole CCS chain viewScreenshot showing an expanded view of a whole-chain model

    Scope at-a-glance

    gCCS provides models for the whole CCS chain:

    Power generation Capture
    • Conventional generation – pulverised coal
    • Conventional generation – CCGT
    • New generation – Oxyfuel
    • New generation – IGCC
    • Physical & chemical solvent-based pre- and post-combustion capture
    • to be extended in future
    Compression & transmission Injection & storage
    • Compressors
    • Onshore and subsea pipelines
    • Instrumentation
    • Distribution headers & choke valves
    • Well
    • Simplified reservoir models
    Utilities Physical properties
    • Standard process models (heat exchanger, valves, etc.)
    • Control models
    • Standard VLE physical properties
    • Steam properties
    • gSAFT advanced thermodynamics

    It is possible to integrate standard PSE's offerings, such as air-separation unit (ASU) models, with the gCCS libraries.


    Some typical applications of gCCS are to:


    gCCS will become commercially available at the end of March 2014. It is currently available to project participants and approved evaluators.

    If you wish to evaluate the software, please contact for more information.