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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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Grid Code (GC)
OC2 Operational Planning and Data Provision
OC2 Operational Planning and Data Provision
Document
Grid Code (GC)
GC0117 Draft Final Modification Report
DFMR
Document
Grid Code (GC)
GC0117 Draft Final Modification Report and Annexes
DFMR and annexes
Document
Grid Code (GC)
Grid Code Review Panel Papers - April 2024
GCRP papers
Document
Grid Code (GC)
GC0171 Proposal Form
GC0171 Proposal Form
Document
Grid Code (GC)
Annex 1 - GC0171 Legal Text
GC0171 Legal Text
Document
Grid Code (GC)
GC151 and GC105 System Incidents Report April 2024
GC0151 and GC0105 System Incidents Report April 2024
Document
Grid Code (GC)
GC0159 Workgroup 7 Summary
GC0159 Workgroup 7 Summary
Document
Grid Code (GC)
Grid Code Review Panel Draft Agenda - 25 April 2024
Grid Code Review Panel Draft Agenda - 25 April 2024
Document
Grid Code (GC)
GC0164 Workgroup 5 Papers
GC0164 Workgroup 5 Papers
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Publications library

We've got a wide range of publications offering energy insights and analysis.
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Beyond 2030

The Beyond 2030 report builds on the Holistic Network Design (HND) and makes a set of network recommendations throughout the 2030s.
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Future Energy Scenarios (FES)

Future Energy Scenarios (FES) 2024: NESO Pathways to Net Zero represent different, credible ways to decarbonise our energy system as we strive towards the 2050 target.
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Network Options Assessment (NOA)

The Network Options Assessment (NOA) provides our recommendation for which network reinforcement projects should receive investment, and when.
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Clean Power 2030

As the National Energy System Operator (NESO), part of our role is to provide impartial advice to HM Government and the regulator on what is required to securely accelerate the transition away from fossil fuels.
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Electricity Ten Year Statement (ETYS)

The ETYS is our view of future transmission requirements and capability of Great Britain’s National Electricity Transmission System.
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GB 36 Bus electricity transmission network model

The National Electricity Transmission System (NETS) of Great Britain was modelled with precision in DIgSILENT PowerFactory, using a 36-bus equivalent network.
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Markets Roadmap

We are committed to working together with stakeholders as we reform our markets to be fit for a net zero future. We share information on this transition at regular Markets Forums and through our annual Markets Roadmap.
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Summer Outlook

Our Summer Outlook reports are designed to inform the energy industry and support its preparations. They also outline Great Britain’s projected electricity needs for the summer ahead.
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Winter Outlook

The Winter Outlook report presents our view of the security of supply for the electricity systems for the winter ahead.
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Whole electricity system

The journey to creating an energy system fit for the future wouldn’t be possible without close collaboration with industry partners to help the transition.
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System Operability Framework (SOF)

The System Operability Framework (SOF) takes a holistic view of the changing energy landscape to assess the future operation of Britain's electricity networks.
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Regional Development Programmes (RDPs)

RDPs look across the whole electricity system to unlock more network capacity, reduce constraints, and create new revenue opportunities for market participants.