The Distribution Network Options Assessment (DNOA) is a publication, which outlines reasons behind investment decisions made by National Grid Electricity Distribution (NGED) in order to deal with constraints that arise across all four of our license areas. It forms part of NGED’s investment planning process, as outlined below.
This assessment includes reviewing mitigation options such as demand side response procured through National Grid's Flexible Power, conventional reinforcement schemes and other innovative solutions.
To determine the economically optimal solution, cost-benefit analysis is carried out using the industry standard Common Evaluation Methodology tool, which is described in the DNOA.
By outlining our analysis process stakeholders and customers can be assured that we are delivering an economic and efficient network while maintaining safety and security.
The DNOA also works in tandem with Flexible Power in helping inform flexibility providers of the potential for future opportunities to provide flexibility services with signposting data for the next ten years.
The analysis conducted within the DNOA is based on data from our Distribution Future Energy Scenarios (DFES). We published the first DNOA in Spring 2021 and will be publishing future DNOAs every year to continue to provide transparency for stakeholders, customers and flexibility providers.
We published the first DNOA in Spring 2021 and will be publishing future DNOAs every year to continue to provide transparency for stakeholders, customers and flexibility providers.
If you have any questions, you can reach the team at nged.primarysystemplan@nationalgrid.co.uk
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