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    National Grid DSO Strategic Roadmap: design and upgrade notes for engineers

    May 21, 2026|

    Reviewed by Tom Sullivan

    National Grid DSO Strategic Roadmap: design and upgrade notes for engineers

    First reported on New Civil Engineer

    30 Second Briefing

    National Grid’s Distribution System Operator has released a Strategic Roadmap detailing how it will meet RIIO-ED2 commitments while preparing distribution networks for a “smarter, more flexible energy system”. The plan focuses on integrating higher volumes of distributed generation and electric vehicle charging, using tools such as active network management, flexible connection agreements and enhanced data visibility at 11kV and LV levels. For civil and electrical engineers, this signals more connection-driven reinforcement, targeted substation upgrades and closer coordination between network design, streetworks and local energy projects through to 2028.

    Technical Brief

    • National Grid DSO frames the roadmap as an implementation plan rather than a high‑level vision statement.
    • Commitments are structured to be delivered “during the remainder of RIIO‑ED2”, implying mid‑period recalibration.
    • Roadmap language links DSO activities directly to enabling whole‑system decarbonisation, not only network reliability.
    • Similar DSO roadmaps across UK regions could standardise assumptions for load growth and flexibility in multi‑region portfolios.

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    Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.

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