General conditions and supplier documents
Invoicing Procedures
We strive to make our invoicing process as efficient and environmentally friendly as possible. It is important that invoices sent to us are correct in order for them to be processed and paid on time.
The OKG purchase order number must be stated as the purchase reference on the invoice. We prefer invoices to be sent as PDF files via email.
Our invoice address:
OKG AB
FE 11198
838 82 Frösön
PDF Invoice via Email
The OKG purchase order number must be stated as the purchase reference on the invoice.
PDF invoices should be sent to: invoice-sydkraft@uniper.energy
Requirements:
- The invoice must be in PDF format
- Only one invoice per email
- Supporting documentation must be included in the same PDF file
Invoice via Postal Mail
The OKG purchase order number must be stated as the purchase reference on the invoice.
Invoices sent by post should be addressed to:
OKG AB
FE 11198
838 82 Frösön
Contact Us
If you have questions regarding a specific invoice, credit note, or reminder, you are welcome to contact our Business Service Centre in Regensburg at ap-international@uniper.energy, or your regular contact person at OKG.
Ivalua
We use Ivalua, a cloud solution to manage our interface with suppliers.
Ivalua Supplier Management - enables us to manage supplier information and conduct supplier qualifications in a single platform. Here, our suppliers can keep their information up to date and manage their relationship with both Uniper and other customers using the Ariba Network.
Please contact your procurement contact for more information on how to proceed and for general supplier questions on registration and more.