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Great Britain energy law update: NESO TMO4+ grid connections, heat networks regime, smart meter reforms, nuclear regulatory review, and EU CO2 transport/AI consultations—key dates (14 August 2025)

Published on: 14 August 2025

Published by a LexisNexis Energy expert
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In this issue:

  • Electricity and gas market regulation and licensing
  • Networks and network connections
  • Capacity Market, balancing services and energy system flexibility
  • Nuclear energy
  • International energy
  • New and updated content
  • Dates for your diary
  • Trackers
  • Energy law titles
  • Daily and weekly news alerts

Electricity and gas market regulation and licensing

Electricity Code Modifications

All live changes to the Connection and Use of System Code (CUSC), Grid Code (GC), the System Owner—Transmission Owner Code (STC) and the Security and Quality Supply Standard (SQSS) are now grouped on NESO’s Modification Tracker. It explains each change’s objective, which stakeholders are impacted, Panel observations on prioritisation, and the proposal’s position in the review journey. For further details, see: Codes.

Networks and network connections

NESO announces 'Gate 2 to Whole Queue' evidence submission window will close on 26 August 2025

NESO has provided its ten working days’ notice confirming that the evidence submission window for the one‑off G2WQ exercise, linked to the TMO4+ grid connections reforms, will close on Tuesday 26 August 2025. This follows earlier difficulties experienced with its online Connections Portal...

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