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Transacting with Western Power

Western Power utilises the Ariba Network for transacting with suppliers at all stages of the procurement lifecycle, including

  • vendor onboarding and management
  • tendering
  • contract management
  • catalogue management
  • issuing purchase orders
  • receipt and payment of invoices.

The benefits and features of the Ariba Network include:

  • free for all basic transactions (standard account enabled suppliers only)
  • ability to create and submit all documents electronically
  • improved invoice accuracy which helps facilitate faster payments
  • email notifications and real-time status updates keep suppliers informed of where a transactional document is in the processing and payment life cycle
  • electronic invoices can be downloaded for local archiving
  • a single, unified user experience using one account for order management and processing
  • increase business with existing and future customers using Ariba Discovery
  • promote your company to other customers on the Ariba Network

Setting up an Ariba account

All suppliers will need to have, at a minimum, a Standard (Light) account with SAP Ariba in order to transact with Western Power.

To help in choosing the best account option for your business please refer to the supporting information below:

  • Enterprise (Full) account, or
  • Standard (Light) account.

A breakdown of the differences between Enterprise and Standard accounts is available here

Once your account option has been selected:

Existing suppliers: You may soon receive an email request to complete a supplier registration via the Ariba Network as part of our rollout plan. If you would like to start the process immediately, please contact

New suppliers: Please register your interest via the Becoming a supplier page and inform Western Power by completing the relevant information.