Written questions

Solar Power: Buildings

Commons · Question 59432 · Tabled 12 Jun 2025 · Department for Energy Security and Net Zero · Official record

Answered 20 Jun 2025

Question

Asked by Nick Timothy

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

Answered by Michael Shanks, 20 Jun 2025

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 ...