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Latest LF Energy PowSyBl Release Offers Enhancements to Load Flow Accuracy, Sensitivity Analysis, and Security
The LF Energy PowSyBl community has released powsybl-dependencies v2025.1.0, which concludes the last PowSyBl release train. PowSyBl is an open source library dedicated to electrical grid modeling and simulation.
This new release corresponds to a new release for each of the 6 repositories constituting the PowSyBl release train, whose versions and release notes are listed in the table below.
| Repository | Release notes |
|---|---|
| powsybl-core | v6.8.1 |
| powsybl-open-loadflow | v1.16.0 |
| powsybl-diagram | v4.9.0 |
| powsybl-dynawo | v2.9.0 |
| powsybl-entsoe | v2.14.0 |
| powsybl-open-rao | v6.6.0 |
The most noteworthy new features / improvements are:
- IIDM v1.14: Introduction of solved value attributes
- HVDC adjustments in the CGMES import
- Work on robustness and accuracy of load flow computation (including introduction of parameters minNominalVoltageRealisticVoltageCheck and extrapolateReactiveLimits)
- Support of more sensitivity types in the open-loadflow’s Sensitivity Analysis
- Load additional dynamic models from specific parameters for Dynawo
- Display injections on network-area diagram if requested
- New parameter to add a security margin during costly optimization
- Improvements in NC profile importer
- Reorganize and update open-rao documentation
This release also provides fixes for all the vulnerabilities detected during the recent security audit of PowSyBl, which will be released publicly in the coming weeks.
For more information, please read the detailed release notes linked in the table.
