Written evidence submitted by National Grid


Thank you for the opportunity to give evidence to the Committee on 21 March. As per your letter on 28 March, please find enclosed the requested further information to supplement my oral evidence.


1. What technological innovations are you adopting to understand the vulnerabilities in your systems, and their interdependencies with other systems?


We are continuously working to improve our understanding of the vulnerabilities of our systems alongside developing new methods in which to mitigate and manage them. This requires us to leverage innovative products, services and processes in order to reduce or avoid costly asset or service downtime, address vulnerabilities and maintain business operations. For example:






2. What is the percentage of the average customer energy bill that is currently spent on resilience, and how that is likely to change in future?








David Wright

Group Chief Engineer & Group Director of Safety, Health & Business Resilience


7 April 2022