Written Question·Department for Energy Security and Net Zero·UIN 59432

Solar Power: Buildings

Tabled: 12 June 2025
Answered: 20 June 2025

Question

Nick Timothy

ConservativeWest Suffolk

To ask the Secretary of State for Energy Security and Net Zero, whether his Department plans to introduce auditable competency standards for the installation of rooftop solar PV systems to help ensure the (a) structural and (b) waterproofing integrity of

Answer

Michael Shanks
For microgeneration technologies under DESNZ schemes, including rooftop solar, a Microgeneration Certification Scheme (MCS) certified (or equivalent) installer is mandatory. The installer must use an MCS-approved product and carry out the installation to ...

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