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Consultation Response, TMO4 Package of Reforms

We support the overall aims of TMO4+ but strongly oppose rigid capacity caps and inflexible planning, which risk undermining solar and storage development. Current proposals contradict Ofgem’s objectives of accelerating clean energy deployment and maintaining investor confidence. Feedback from our members highlights growing concerns that these reforms are making the market more disorderly and damaging investment certainty.


NESO’s plan to impose a strict 2035 solar capacity limit by May 2025 and to rescind pre-2031 connection agreements require urgent intervention by Ofgem. Without greater flexibility, investor confidence will continue to erode, leading to a near-term investment hiatus and longer-term project delays. NESO’s approach does not sufficiently account for construction lead times, project attrition, and market dynamics.

Read more in our full response below