CM0105: Standardisation of Power Flow Metering Polarity

This modification aims to provide a unified standard for Power Flow Metering Polarity when data is sent to NESO. The standards should be presented in a format that includes both a diagram and a detailed explanatory description. This is a subsequent modification to GC0182.

Modification status:
Current - Workgroup Nominations
Last updated:
12 November 2025

Code Administrator Contact:   [email protected]

Governance Route: Standard Governance modification with assessment by a Workgroup 

Impacts: High impact on ​Transmission System Owners, Interconnectors, and Network Operators. Low impact on Generators, Transmission Owners and Aggregators

Code modification proposed by:
Thomas Goss

Documents