Ordering and invoicing
Ariba (SAP Business Network) connects buyers and suppliers. We use it for sourcing events, ordering, invoicing and supplier information. See Using Ariba as a Western Power supplier.
Suppliers trade with us in Ariba via SAP Business Network, which offers both free and paid options for setting up transacting accounts. For transacting, the Ariba Network offers free and paid options. See Transacting with Western Power.
In Ariba, open Settings and update your Order, Invoice and other notification preferences.