VeraGrid (formerly GridCal)
Santiago Peñate Vera and contributors
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github.com
Power-system planning and simulation software written in Python, with a graphical interface for drawing the grid and editing it in tables. It performs AC and DC load flow, unbalanced three-phase analysis, short circuit, optimal power flow, contingency and cascading-failure analysis, state estimation and RMS and EMT dynamic simulation. It also includes tools for grid reduction, reliability assessment and investment optimisation. It suits grid engineers looking for a free alternative to commercial packages, and it can also be driven as a library from code.
Ratings & Reviews
| Licence type | Completely Free, Open Source |
|---|---|
| Licence terms | Open-source licence (MPL-2.0). Free for any purpose including commercial work, with no time limit, no registration and no licence key. |
| Platforms | Linux, macOS, Windows |
| Engineering field | Electrical & Electronics |
| Tool type | Engineering Calculators, Simulation & FEA |
| Vendor site | veragrid.readthedocs.io |
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Last verified: 2026-10-05
