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Signature/certificate

As part of the GPKE/GeLi Gas processes, the e-mails we send contain a signature that enables you to check the validity of the sender. Furthermore, we will transmit the e-mails in encrypted form.

You can download our public key here

Certificate Stadtwerke Gießen AG


In return, please send us your public key to the e-mail address
zertifikate@stadtwerke-giessen.de

Proof for resellers

Evidence for resellers of natural gas and/or electricity for the purposes of the recipient's tax liability: