Our Engineering Justification Papers (EJPs) set out the scope, technical need, options assessed, costs and benefits for our proposed investment programmes.

These engineering justification papers cover proposed investments which are required for improving the asset health of our network (Core non-load works), increasing the load capacity of our network to accommodate new generation connecting to the system (Load related works) and both direct and indirect network operations which relates to activities we undertake for the day to-day operation and maintenance of our network, Asset Management, network control room and operational training (Non-core non-load works).