Risk assessment of gas transportation invoices – business change facilitation using risk modelling

Introduction of a complex new process needs careful consideration to ensure full understanding by all parties. It is not always easy to see which contributing processes have most influence or how accurate the overall process is in practice. It can also be difficult to foster acceptance and confidence in the new process. In such cases risk modelling can be an effective method of analysing the potential variation and errors, and providing a method of monitoring performance of the process. This paper describes the approach adopted for resolving issues raised by a new method for invoicing gas shippers by Transco.