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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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Balancing mechanism
Balancing Programme Capabilities Beyond 2025 Pre-Read
Pre-Read for customers attending 30 January 2025 Webinar
Document
Balancing mechanism
Monthly Balancing Services Summary (MBSS) Nov 2024
The Monthly Balancing Services Summary (MBSS) gives the costs and volumes of balancing services used by the Electricity System Operator.
Document
Balancing mechanism
Monthly Balancing Services Summary (MBSS) Data Nov 2024
The Monthly Balancing Services Summary (MBSS) gives the costs and volumes of balancing services used by the Electricity System Operator.
Document
Balancing mechanism
08/01/25 Operational Metering WG Slides - Session 10
Operational Metering Working Group Session 10 - Slide Deck
Document
Balancing mechanism
07/08/24 Operational Metering WG Slides - Session 9
Slide deck from Operational Metering Working Group Session 9
Document
Balancing mechanism
NESO Onboarding and Registration Drop-in Session - 27 Nov 2024
Onboarding and Registration Presentation
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Balancing mechanism
Daily balancing costs - January 2025
Daily balancing cost report archiving
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Balancing mechanism
EDL/EDT guidance
EDL/EDT guidance document
Document
Balancing mechanism
Balancing Costs Summer Report 2024
The NESO balancing costs summer report assesses the market and system conditions of the most recent summer period, and how Balancing Costs were impacted.
Document
Balancing mechanism
Skip Rate Methodology & Implementation Guide
A document detailing Skip Rate Methodology with inclusion of an Implementation Guide
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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.