Investment document that is published every year after approval of ERC. Document defines all projects that should be realized in next 10 years and provides information for the projects that are in execution. TYNDP considers up to date information for the projects and derives on the conclusions of the Study with concepts for development of the transmission grid for distinctive regions on the long term (study for the development of the transmission grid), prepared in April, 2017. All projects that are part of TYNDP may start/continue with realization.