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CRESYM is a non-profit association, gathering industrial & academic research organisations and aiming at solving the coming challenges for the future, fast-evolving European energy system.

We foster collaborative R&D works to deliver opensource energy system simulation tools

We foster efficient collaborations on low-TRL R&D issues of general interest.
We promote, and rely on, opensource principles.
We shall maintain useful technological building blocks available for all researchers & engineers.

Ongoing projects


CoRFu stands for “Control Room of the Future”. It is a doctoral network (“DoNet”) about energy system operation tools.

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PSy is a doctoral network (“DoNet”) about power system stability, joining BiGER, Harmony, LaRISA, COLib, Restoration a.o.

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COLib ( is the library of opensource, verified energy network component models and test cases

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