Issue 18 of the Network Output Measures methodology is the document that describes the common approach to the calculation of a Network Asset Risk Metric by SHE Transmission, National Grid & Scottish Power.

The Network Asset Risk Metric is the measure of Long-Term Monetised Risk Benefit, derived from the investments proposed in the SHE Transmission RIIO-T2 Business Plan and will be a key performance metric for us during the RIIO-T2 period.

Network Asset Risk Methodology