National Grid's DSO plan a blueprint for network evolution

UK utility National Grid continues to transform its system through technological development and implementation, this time announcing that its Distribution System Operator has published its 2026 Network Development Plan (NDP).

This sets out how the distribution network will evolve to meet rising demand, enable low‑carbon technologies and support sustainable growth across its licence areas. 

The news follows the utility’s unveiling in April of a significant expansion of dynamic line rating (DLR) technology across its electricity transmission network in England and Wales. 

Under a new five-year contract, dynamic line ratings will be deployed across an additional 585km of key north-to-south transmission routes, which the utility said has the potential to save consumers up to £50 million ($67.7 million).

In terms of the NDP, National Grid said that it provides a forward-looking view of the network, highlighting where capacity is available, where investment is needed, and how constraints will be managed.  

It is designed to give local authorities, developers, investors, flexibility providers and wider stakeholders the confidence and insight they need to plan, connect and operate within a rapidly changing energy system. 

“This launch marks an important step forward, not only in the depth of information being shared but in how that information is accessed and used. For the first time, network planning outputs that were previously published through static reports are now brought together in a fully interactive digital experience,” said National Grid. 

Helicopter view of the network

The interactive platform allows users to explore network insights across the full licence area or at Grid Supply Point level, search by local authority or postcode, and move seamlessly from high-level summaries to detailed technical information.  

Users can drill down through network overviews, network topology, identified  constraints and planned solutions across each voltage level from the transmission/ distribution boundary down to the 11kV/6.6kV network. 

National Grid said: “This layered approach ensures the NDP works for a wide range of users, from strategic planners seeking regional insight to technical specialists requiring detailed network information. By making complex data easier to navigate and interpret, the plan also supports faster, better informed decision‑making. 

“The enhancements reflect extensive engagement with stakeholders across local government, industry, and the flexibility market. 

“Stakeholder feedback has shaped how information is presented, with a strong focus on clarity, accessibility, and practical value.” 

National Grid said that as a result, local authorities are better equipped to align energy planning with growth and decarbonisation objectives, developers and investors can more clearly understand capacity and connection opportunities, and flexibility providers can identify where their services can deliver the greatest impact. 

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National Grid expands investment plan by £10bn

Oliver Spink, Head of System Planning at National Grid DSO, said: “The 2026 Network Development Plan demonstrates National Grid Electricity Distribution’s commitment to unlocking economic growth through greater transparency, stronger collaboration, and more responsive network planning.  

“By opening up network data in a more usable and accessible way, the NDP helps unlock collaboration across the energy system and ensures that infrastructure development aligns with the needs of the regions and communities it serves.” 

The 2026 Network Development Plan and the new Area Summary Interactive Map are available now via the Network Opportunities Map: https://commerci  al.nationalgrid.co.uk/network-opportunity-map/