OSeMOSYS is an open source systems optimization model for long-run integrated assessment and energy planning. It has been employed to develop models of all African Power Pools in collaboration with the World Bank and of South America in collaboration with UNDESA, to inform policy design in EU funded projects, to assist governments in energy planning. Designed to require no upfront financial investment, a fast learning curve and little time commitment to operate, it is fit for use by communities of developers, modellers, academics up to policy makers.
Thanks to its transparency and its web-based interface MoManI, it is broadly employed as a training and dissemination tool.

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Everyone is welcome to create models with OSeMOSYS as well as developing it further!
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