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Solar Power: Housing

Asked by Mark SewardsLabourDepartment for Energy Security and Net ZeroTabled Answered 30 March 2026UIN 122557

The question

To ask the Secretary of State for Energy Security and Net Zero, what guidance his Department has issued on (a) access and (b) ownership of (i) performance and (ii) operational data from rooftop solar systems.

Answered by Michael Shanks

No guidance has been issued, and we are not aware that any such data exists on a national scale.

The Microgeneration Certification Scheme holds data on every MCS certified installation since 2010 in the MCS Installations Database.

However, it does not include operational data of every system, and access is limited in line with GDPR best practice.

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