This Antares study loosely corresponds to one of the scenarios of the Ten Year Network Development Plan (TYNDP), published by the European Network of electricity Transmission System Operator (ENTSO-E). Its aim is to help onboarding with the Open Source simulation tool Antares, on a representative, practical application for European users (TSOs, industry, public bodies, academics). As such, some simplifications have been made, listed below. Outputs should hence not be considered robust and suitable for policy recommendations. Installed capacities correspond to the scenario "National Trends 2040". The full geographical scope of the TYNDP is not represented, parts of Eastern Europe have been removed. Compared to the model considered in the TYNDP, the Hydrogen system is represented in a simplified way (single European node, only H2 production means is electrolysis, which stops producing beyond a power price threshold).