Unlocking success in the French solar market: Why ETN and ATEC matter for your projects

In the world of solar energy, navigating the French market requires more than just advanced technology – it demands the right certifications. Without ETN and ATEC stamps of approval, even the most innovative photovoltaic systems could be left out in the cold. These certifications aren’t just bureaucratic hurdles; they’re the key to unlocking insurance coverage, securing long-term warranties, and ultimately, winning big in one of Europe’s most competitive solar landscapes.

Key Requirements for Photovoltaic Systems

PV systems installed on buildings must undergo a technical assessment to demonstrate their suitability under specific conditions. This assessment covers a combination of roof type, mounting system, and solar panels, considering factors like altitude and geographical conditions. It also provides detailed installation guidelines.

For an installer to be covered by a ten-year insurance warranty, the PV system must have a valid technical assessment. This warranty is specific to each PV system and is issued in the name of the installer.

Types of Technical Assessments

1. ATEC (Technical Opinion):

• Duration: Issued for 2 to 7 years.
• Evaluation: Conducted by a panel of building experts and PV manufacturers, ATECs ensure that the solution complies with current regulations, is suitable for use, and has a long service life. This thorough assessment includes laboratory tests, which can take over a year. Key aspects like waterproofness, mechanical resistance, and fire risk are verified.
• Public Access: ATEC is a public document, meaning anyone can check which PV solutions have received this certification.

2. ETN (New Technical Study):

• Issuance: Conducted by an external control office and accepted by insurers, ETNs are often required before completing a PV roof project in France.
• Assessment: ETNs evaluate the technical risks of a specific mounting process on behalf of the mounting system company. Unlike ATEC, ETNs remain the property of the company that commissioned them.
• Timeline: Obtaining an ETN typically takes 2 to 3 months, and it is valid for up to three years.

3. ATEX (Experimental Technical Assessments):

• Application: Used for new and innovative processes, often specific to unique buildings or experimental sites.

Conclusion

ETN and ATEC certifications are crucial for selling PV modules or mounting systems in France. Without these certifications, installers risk not being insured for roof projects. While insurers may prefer ATEC, ETNs are more commonly used due to the shorter time required to obtain them. For public roof projects, especially those involving tenders, an ATEC is often mandatory.