Written Question·Department for Energy Security and Net Zero·UIN 73291

Solar Power

Tabled: 29 August 2025

Answered: 8 September 2025

Question

Martin Wrigley

To ask the Secretary of State for Energy Security and Net Zero, whether the National Grid is under a (a) statutory and (b) regulatory obligation to process solar panel installation applications within a specified timeframe.

Answer

Michael Shanks

For solar installations of 3.68kW per phase, or below, no application is required. The Distribution Network Operator (DNO) must only be notified within 30 days of the installation. For larger projects, DNOs are required to provide a connection offer withi...

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