Please check the PO Box number you have on file for us

15 Apr 2011

It has come to our attention that due to a typing error at the Post Office, we have been using an incorrect PO Box number in our correspondence with our customers. We would be very grateful if you would check the contact details you have on file for us, and correct the postal address to the following:

Gasunie Zuidwending B.V.
P.O. Box 364
9700 AJ  Groningen
The Netherlands

Our sincere apologies for any inconvenience this may have caused you.


On May 20, 2014 Gasunie Zuidwending changed its company name to EnergyStock. This news item was posted by EnergyStock’s predecessor Gasunie Zuidwending before the name change.