This repository contains material used for the OSeMOSYS training workshop co-hosted by the Climate Compatible Growth (CCG) programme including the University of Zambia, and CIGZambia in Lusaka, Zambia, from 31 October to 3 November 2023. This work was supported by the Climate Compatible Growth programme funded by UK's Foreign, Commonwealth & Development Office (FCDO). The views expressed in this material do not necessarily reflect the UK government's official policies.