Certification Scheme Rules

The Solar Keymark Scheme Rules

The overall rules for the Solar Keymark certification scheme follow the general Keymark rules given in the CEN documents below.

CEN/CENELEC Internal Regulations: Part 4 Certification, July 2018 (PDF)

The specific Solar Keymark Scheme Rules acts as a supplement to the general rules, giving the specific requirements related to the particular Keymark certification of solar thermal products.

SOLAR KEYMARK SKN_0444R8_SK_Scheme Rules (PDF) / Edition 2025-12-10

SKN_N0484R15_History-and-List-of-changes-for-SRs-N0444 (PDF)

Annexes:

  • All previous versions of the Scheme Rules including the annexes are still available in our repository (SWITCH DRIVE link) in case the fallback clause comes into effect. 
  • This ensures that all third parties and customers can access the previous versions in case any errors or inconsistencies have been overlooked, so that the previous version of the Scheme Rules and Annexes can be applied.

Former version of the Scheme Rules including the annexes – Replaced by SKN_N0444R1 and its Annexes