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Key documents
Network Options Assessment (NOA)

Key documents

The NOA has an important role in developing an efficient, coordinated and economic system of electricity transmission. 

On this page, you'll find the full suite of NOA 2020/21 documents including:

  • NOA 2020/21 interactive version
  • Methodology reports
  • Minutes from the NOA Committee meetings
  • SO Process for Input into TO Led SWW Needs Case Submissions

The NOA publication

National Grid ESO - Network Options Assessment NOA 2020 - Front cover

NOA 2020/21 (Interactive)

You can download the latest NOA 2020/21 interactive report here.

Download here
National Grid ESO - Network Options Assessment NOA 2020 download - Turbines in sunset

NOA 2020/21 (Printable)

A print-ready version of NOA 2020/21 is also available to download.

Download here

Additional resources

Download the other useful documents in the NOA suite.


Methodology report

Our NOA methodology report describes the end to end process for the analysis and publishing of the NOA report.


SO process for input into TO let SWW needs case submissions

Learn more about what our role is for SWW projects.


NOA archive

Download the previous NOA publications and methodology reports.