Guides

Plain-English answers to the questions installers can't (or won't) give you.

Published by SunVerified. Every guide lists the sources behind its claims, and every figure is either computed from the public registers this site republishes or cited to the body that issued it.

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Trust & credentials

PV GreenCard explained: why it matters and how to verify

The PV GreenCard is the single most important credential when choosing an installer. Here's what it is, what it covers, and how to verify one in 30 seconds.

2 minUpdated 22 May 2026