CMP446: Increasing the lower threshold in England and Wales for Evaluation of Transmission Impact Assessment (TIA)

The current connections process can be improved to facilitate the timely connection of distribution projects that have minimal impact on the Transmission Network to help meet net zero and Clean Power 2030. This proposal raises the lower threshold at which an Evaluation of Transmission Impact Assessment (TIA) must be undertaken.

Modification status:
Current - Proposal Raised
Last updated:
17 January 2025

Code Administrator Contact: ​​[email protected] 

Governance Route: Raised as an Urgent Modification 

Impacts: High Impact on Transmission Owners, Distributed Connected Generators, Distribution Network Operators, Independent Distribution Network Operators, Electricity System Operator and Consumers. 

Code modification proposed by:
Martin Cahill

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