Login no longer possible
This customer portal is no longer available.
Please go to our current custoemr portal my.sonnen.de or use our latest sonnen app, available for Google Android und Apple iOS.
If you do not yet have access to the customer portal and the new sonnen app, you can register directly on the respective start page.
Please go to our current custoemr portal my.sonnen.de or use our latest sonnen app, available for Google Android und Apple iOS.
If you do not yet have access to the customer portal and the new sonnen app, you can register directly on the respective start page.