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Codes
The System Operator Transmission Owner Code defines the relationship between the transmission system owners and the system operator.As the code administrator for the STC, we maintain the code and…
Codes
The Grid Code details the technical requirements for connecting to and using the National Electricity Transmission System (NETS). Compliance with the Grid Code is one of the requirements of the…
Codes
The Connection and Use of System Code is the contractual framework for connecting to and using the National Electricity Transmission System (NETS).As the code administrator for the CUSC, we maintain…
Future energy
The System Operability Framework (SOF) takes a holistic view of the changing energy landscape to assess the future operation of Britain's electricity networks.The SOF combines insight from the…
Markets
Reform of ESO’s ancillary service and balancing markets is crucial if we are to ensure that we can operate a zero carbon electricity system by 2025, and fully decarbonise by 2035. These reforms will…
Future energy
At National Grid ESO, we ensure Great Britain has the essential electricity it requires, managing supply and demand to meet the needs of our nation.We also have a clear mission: to decarbonise the…
Our strategy
The ESO is at the heart of the transformation to a fully decarbonised electricity system by 2035, while continuing each day to reliably and safely move electricity across Great Britain second-by-…
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Codes
Grid Code Prioritisation Stack - 26 September 2024