This study analysed the impacts of the planned gas capacity expansion in the CEE region by applying a European power market model (EPMM). It focuses on four research questions:

• Are the planned 12-30 GW of new gas capacity needed in the sector from a flexibility point of view?
• What would be the impact if these new capacities are switched to hydrogen in 2030?
• Can we reach net zero GHG emissions if these gas capacities are built?
• What is the minimum gas capacity required in the system to fulfil electricity and, and reserve/balancing need?