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GridCal


GridCal is a top tier power systems planning and simulation software. As such it has all the static analysis studies that you can think of, plus linear and non-linear optimization functions. Some of these functions are well known, while others you may have never heard of as they are a product of cutting-edge research.




GridCal started in 2015 with a clear objective: create a solid programming library and a user-friendly interface. This straightforward approach sparked many innovations — some driven by the necessity for commercial use, and others fueled by curiosity and research. 

Whether you're a pro needing free tools, a researcher wanting a real-world tested platform, a teacher sharing commercial-grade software insights, or a student diving into practical algorithms, GridCal's got your back. It's a high quality product made for all of us now and for the future generations.

>1 Million

Total GridCal downloads

Key functionalities

Top-notch features stemming from research and industry



Investment Optimization

Magically optimize your investment decisions by picking the best techno-economic configurations. Let artificial intelligence do the work for you


Contingency Analysis

Fast and reliable contingency analysis, considering contingency groups and high performance requirements by TSOs


Optimal Power Flow

Schedule generation, adjust converter and transformer setpoints in a matter of milliseconds through our custom interior point solver


User-Friendly Interface

Inspect your grid's schematic, comfortably modify the database, run simulations and visually make sense of the results


Short-Circuit Analysis

Leverage our European patents to obtain currents in steady-state conditions for systems with a high penetration of power converters


AC/DC Power Flow

Seamlessly solve interconnected AC and DC grids. Quadratic convergence through a unique Newton-Raphson unified formulation


Voltage stability analysis

One-shot stability analysis through Sigma approximants to determine the strength of the system in each node


Imports and exports

Import formats PSSe .raw/rawx, epc, dgs, matpower, pypsa, json, cim, cgmes and export gridcal .xlsx/.gridcal/.json, cgmes, psse .raw/.rawx

All of these are industry tested algorithms, some of which surpass most commercially available software. The aim is to be a drop-in replacement for the expensive and less usable commercial software, so that you can work, research and learn with it.



Get your GridCal copy

Completely open-source and out of charge


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