Information for Suppliers

On this page you can view and access information material and specifications required for purchasing and ordering.

Here you can download valid Technical Purchasing Specifications for Muelheim plant.

You can find the password to open the file on the purchase order or you can request it from the responsible Siemens contact. For any specifications which are missing on this homepage, please request from the buyer responsible.


Hier erhalten Sie die für das Werk Mülheim gültigen Technischen Liefervorschriften zum Download

Das notwendige Passwort zum Öffnen der Datei wurde Ihnen mit der Bestellung mitgeteilt. Alternativ erhalten Sie dieses auch auf Anfrage von dem zuständigen Einkäufer. Fehlende Spezifikationen, die nicht auf der Homepage zu finden sind, fragen Sie bitte weiterhin bei dem zuständigen Einkäufer an.




The Energy Business Quality Requirements (EBQR) is the supplier-facing element of the Energy Business Management System and is applicable to all suppliers or partners who supply product related to “Power and Gas Aeroderivative Gas Turbines” contracts / purchase orders.

To obtain copies of associated forms, please contact your local Supplier Quality Representative.



The General Conditions of Purchase that outline the obligations of each party, as referenced on the contract / purchase order, to enable the work to be carried out.

These documents are used by the Energy Business to communicate information to the global supply chain network. These documents cover a diverse range of topics such as product legislation changes, new requirements regarding the supply of goods to the Energy Business, product quality requirements, component identification processes, banned chemicals and much more.



The FAQs section is for questions about any of the areas covered by the Global Supplier Portal, supplier documents and the transition to Siemens.