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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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Reserve services
Transition of STOR to Slow Reserve Requirement and Procurement Options
This document outlines the transition from the legacy STOR to the new Slow Reserve SR, inviting industry feedback to determine the preferred option
Document
Reserve services
STAR Project - Quick Reserve- Performance Metering Data
This document describes the proposed solution for NESO to accept and store Quick Reserve performance metering data from Individual Service Providers
Document
Reserve services
STOR Season 19 Committed Windows for 2025/2026
STOR Calendar Committed Windows for 2025/2026
Document
Reserve services
OBP Service Provider - Web Services Specification
API documentation will be issuing additional guidance in the form of a Business Logic document. This will contain information for non-BM providers
Document
Reserve services
STOR Form B December 2024
The STOR Service terms for all new and existing providers are bound to these terms upon signing the forms A and B
Document
Reserve services
STOR Form A December 2024
The STOR Service terms for all new and existing providers are bound to these terms upon signing the forms A and B
Document
Reserve services
STOR Service Terms December 2024
The STOR Service terms for all new and existing providers are bound to these terms upon signing the forms A and B
Document
Reserve services
Slow Reserve proposed service design - December 2024
Proposed service design for the new Slow Reserve service
Document
Reserve services
QR phase 1 guidance document - November 24
A summary of the new Quick Reserve guidance document.
Document
Reserve services
Balancing Reserve Form B
STOR Procurement requirement October 2024 update
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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.