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Disclaimer!  We develop POSSIM along side our main jobs, and there is never enough time.  We are committed to providing ongoing support and bugfixes, but for now POSSIM remains in an early stage of development, with more stable releases planned for the coming months.  If you're interested in helping us develop, get in touch!

POSSIM code is available on GitHub.

Please note that POSSIM requires the Boost library and is best built using the CMake build tool.  For MATLAB-based power flow simulation, you will also need the SimPowerSystems Toolbox (license not included with POSSIM).

Full installation instructions are available in the Documentation.