Category - Documents
Category
Man doing woodwork in his workshop

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. 

Publication date
Filter by
Document
Connection and Use of System Code (CUSC)
CMP452 Request for urgency letter - 05 March 2025
CMP452 Request for urgency letter for review
Document
Connection and Use of System Code (CUSC)
TCMF Slidepack - 6 March 2025
Transmission Charging Methodologies Forum (TCMF) Slidepack for review
Document
Connection and Use of System Code (CUSC)
CMP446 Workgroup Meetings 9 and 10 Summary - 26 and 27 February 2025
CMP446 Workgroup Meetings 9 and 10 Summary from 26 and 27 February 2025
Document
Connection and Use of System Code (CUSC)
CMP432 Workgroup 4 Summary
CMP432 Workgroup 4 Meeting Summary held on 21 February 2025.
Document
Connection and Use of System Code (CUSC)
CMP432 Workgroup 5 Summary
CMP432 Workgroup 5 Meeting Summary held on 25 February 2025.
Document
Connection and Use of System Code (CUSC)
CMP432 Workgroup 6 Summary
CMP432 Workgroup 6 Meeting Summary held on 27 February 2025.
Document
Connection and Use of System Code (CUSC)
Special CUSC Panel Slides - 05 March 2025
Special CUSC Panel Slides for the 05 March 2025
Document
Connection and Use of System Code (CUSC)
CMP450 Code Administrator Consultation and Annexes
CMP450 Code Administrator Consultation and Annexes for review
Document
Connection and Use of System Code (CUSC)
CMP450 Code Administrator Consultation
CMP450 Code Administrator Consultation for review
Document
Connection and Use of System Code (CUSC)
CMP432 Workgroup Action log
CMP432 Workgroup Action log from all meetings.
Man doing woodwork in his workshop
Publications library

We've got a wide range of publications offering energy insights and analysis.
Children riding bikes through field with backdrop of wind turbines
Beyond 2030

The Beyond 2030 report builds on the Holistic Network Design (HND) and makes a set of network recommendations throughout the 2030s.
Mum and daughter doing homework in their kitchen
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.
landscape image of tree and field-GettyImages-1346907547
Network Options Assessment (NOA)

The Network Options Assessment (NOA) provides our recommendation for which network reinforcement projects should receive investment, and when.
Ariel view of road surrounded by trees
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.
Contrast of motorway in the middle of image and green fields both sides
Electricity Ten Year Statement (ETYS)

The ETYS is our view of future transmission requirements and capability of Great Britain’s National Electricity Transmission System.
Ariel image of car park and person putting their EV car on charge
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.
Cycling up mountain road with stormy skies
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.
Family walking in summer outfits in a field
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.
family on a country walk on hills with sunset in background
Winter Outlook

The Winter Outlook report presents our view of the security of supply for the electricity systems for the winter ahead.
City buildings
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.
Two sheep looking at camera with bright blue skies and reflection in lake
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.
Wind turbines in field
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.