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MCS Installation Certificate (Solar PV)

An MCS (Microgeneration Certification Scheme) Installation Certificate for Solar PV confirms that a photovoltaic panel system has been designed and installed by an MCS-certified installer in accordance with MCS standards, IET Code of Practice for Grid Connected Solar PV, and BS 7671.

MCS Standards MIS 3002, IET Code of Practice for Grid Connected Solar PV, BS 7671, Building Regulations Part PValid: One-off (required for Smart Export Guarantee payments)

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What it covers

Panel manufacturer, model, and rated output
Inverter specification
System design and kWp rating
Electrical installation details
G98/G99 DNO notification
Estimated annual generation (kWh)

Who needs a MCS Solar PV?

Homeowners installing solar panels

Commercial building owners

Smart Export Guarantee applicants

Property developers

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Frequently asked questions about MCS Solar PV

Why do I need an MCS certificate for solar panels?

An MCS certificate is required to claim Smart Export Guarantee (SEG) payments for electricity you export to the grid. It also provides consumer protection through the MCS warranty and is often required for planning compliance.

How long does MCS certification last?

The MCS certificate itself is issued once at installation. However, the installer must maintain their MCS certification through annual audits. The consumer protection warranty is typically 25 years for panels and 10 years for inverters.

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