questionText: 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 
answerText: 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 ...
heading: Solar Power: Buildings