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Publications library
We've got a wide range of publications offering energy insights and analysis. Download our reports and data to see the innovative ways we are transforming the future of Great Britain’s energy.
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Connection and Use of System Code (CUSC)
CMP444 Alternative Request form
Document
Connection and Use of System Code (CUSC)
headline report
Document
Grid Code (GC)
GC0175 Final Modification Report and Annexes
Document
Connections Portal
User guide on using filters on the Connections Portal