National Grid DSO

National Grid DSO's FlexPortal

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Summer Snapshot 2025

Flex activities Apr-Sep 2025

Source: Flexibility Market Insights Report

This map provides an updated snapshot of National Grid DSO's flexibility procurement activities covering the six-month summer period from 1 April to 30 September 2025. Over the summer, our flexibility markets continued to scale rapidly, driven in large part by the new Demand Turn-Up product, cutting peak-time power flows, avoiding costly reinforcement, and delivering meaningful savings for consumers.

GWh Dispatched
1.1GWh
Growing
Dispatch Events
6,400
Growing
~197k
Registered Assets
1,700MW
MW Capacity
498MWh
DTU Dispatched
100%
Zero-Carbon Dispatch

What These Numbers Mean

These metrics represent real, operational flexibility at scale. With 1.1 GWh delivered and ~197k assets registered, NGED is proving that flexibility markets work and deliver value for customers and the network.

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Flexibility in Network Operations

Flexibility services support real-time network management — helping manage constraints, support planned outages, and maintain system stability. When network conditions require action, dispatched flexibility provides a faster, more cost-effective alternative to traditional reinforcement.

National Grid DSO

FlexPortal

Data provided under the NGED Open Data Licence. By continuing, you acknowledge that you have read and agree to the terms of this licence.

This data is provided for informational purposes only.