What to do in an emergency

If you smell gas or notice a gas leak, contact us immediately.

SUDenergie Emergency Hotline:

(+352) 55 66 55 66

What to do if you smell gas inside the building:

• Open all the windows to create a draught 
• Turn off the main gas tap and leave the building 
• Warn others in the building (do not ring any doorbells) and leave the building
• Call the network operator as soon as you have left the building
• Do not light a match under any circumstances 

• Do not smoke or use a lighter 
• Do not switch on any electrical appliances or lights 
• Do not use any phones in the building

What to do if you smell gas outside the building:

• Close all doors and windows in nearby buildings
• Do not light a match under any circumstances
• Do not smoke or use a lighter
• Do not switch on any electrical appliances or lights
• Do not use any phones in the building
• Warn others in the building (do not ring any doorbells) and leave the building
• Call the network operator as soon as you have left the building

If you smell gas, call your natural gas network operator’s free on-call service – from outside the building!

Network operator emergency numbers:

• SUDenergie: (+352) 55 66 55 66
• Creos: (+352) 8007 3001
• Ville de Dudelange: (+352) 691 680 680

Natural gas is not toxic. It is lighter than air. An odourant is added to natural gas, which makes it possible to smell gas concentrations far below the danger threshold.

• Open all the windows to create a draught
• Turn off the main gas tap and leave the building
• Warn others in the building (do not ring any doorbells!)
• Call the network operator
• Do not light a match under any circumstances
• Do not smoke or use a lighter
• Do not switch on any electrical appliances or lights
• Do not use any phones in the building