We look forward
about your enquiry

Service for KOSTAL business customers (installers and specialised dealers)

Your request is in the right hands with us

You can contact us directly via the KOSTAL Solar Terminal and create a ticket. To do this, log in with your user account and click on the "Service Centre" tile.

Please have the serial number of your KOSTAL product ready. You can find it here.
Your tickets will be processed by us as quickly as possible.

Whether it's a commissioning question, error analysis or compatibility check - your request is in the right hands with us. Start now via the KOSTAL Solar Terminal and the new ticket system.

Create a ticket now

Your advantage: With the Service Centre, you always have an overview of all tickets and their progress - including the tickets of your company's employees.

Please note: New customers can only create tickets once their user account has been activated in the KOSTAL Solar Terminal. You will receive an e-mail confirmation from KOSTAL Solar Support once your account has been activated.

No user account yet? You can create one here .

What is the KOSTAL Solar Terminal? Find out more here.

Even faster to the right support -
with the KOSTAL ticket system

KOSTAL is introducing a centralised ticket system for technical support. This allows you to benefit from faster, more structured and traceable processing of your requests - conveniently online.

New: One ticket system for all enquiries

New: A ticket system
for all enquiries

Quick: Create tickets
and upload attachments

Practical: All tickets
always in view

Your advantages at a glance:

Easy submission of enquiries - around the clock, without being put on hold
Transparent processing - with ticket number and status tracking
Faster solutions - thanks to targeted assignment to the right departments
Centralised documentation - all cases and answers available in one place

Whether commissioning questions, error analyses or compatibility checks - the KOSTAL ticket system makes technical support even more reliable and professional.

Start now

Start now with the KOSTAL Solar Terminal and the new Service Centre. We look forward to your enquiry!

Please contact KOSTAL Solar Support on the following topics:

Questions about your KOSTAL Solar Terminal user account
General technical questions about our products
Reporting a fault with a KOSTAL product
Questions about KOSTAL Monitoring (Solar App, Solar Portal)
Questions about the KOSTAL Solar Plan
Questions about the KOSTAL warranty (Smart Warranty activation)
Interested in becoming a certified KOSTAL installer
Questions about retrieving an activation code using PLENTICOIN

Everything you need to know can also be found in the KOSTAL Quick Links:

Video instructions for installation, Smart Warranty activation and Solar Portal registration can be found here.
You can register as a certified KOSTAL installer here.
You can order brochures & print media to pass on to your customers here.
For KOSTAL seminars and webinars, please register here.
For the KOSTAL newsletter KONNEX please register here.
You can find images of our products here.
Find your trusted KOSTAL wholesale partner here.

How we organise the transition

For all those who are not yet familiar with the new KOSTAL ticket system: The previous contact options will remain the same.

You can reach us as usual via: Contact form, e-mail or telephone.

We recommend that you familiarise yourself with the advantages of our new ticket system - for even faster and more structured processing of your requests.
You can access the new ticket system particularly conveniently "step by step" - with the first step.

Not yet a KOSTAL business customer (installer or specialist dealer)?

We would be happy to convince you of the KOSTAL products and possibilities.

Call us or send us a message:
Phone: +49 761 47744 - 100
Email: info-solar@kostal.com