The transmission license holder prepares a maintenance plan regarding the natural gas transmission system under its operation every year, which is sent for system operator. The system operator publishes the plan on its website in accordance with legislative requirements. 

The below documents contain the maintenance works causing decrease or stoppage of the transmission system capacities.

• Maintenance Plan 2012 (FGSZ)     
• Exchange periods of Storages in 2012    
• Maintenance Plan of Domestic Production in 2012