NRTL Certification: quality mark for solar panels in the USA

NRTL Certification mark stands for quality and safety-conforming installation of solar PV modules in the USA. Underwriting Laboratories (UL) is one of the labs.

What is NRTL Certification?

For the proper, quality and safety-conforming installation of solar PV modules in the USA, a Nationally Recognized Testing Laboratory (NRTL) certification mark is required.[caption id="attachment_4788" align="aligncenter" width="135"] CSA NRTL certification[/caption]There are many Nationally Recognized Testing Laboratories, such as:

1. TUV SUD
2. TUV Rheinland
3. Canadian Standards Association
4. Intertek Testing Services
5. Underwriting Laboratories (UL)

Restrictions without NRTL Certification

Without a NRTL certification mark you:

1. Are not allowed to connect solar panels to the grid
2. Will not receive Government rebates & tax incentives
3. Will not receive coverage from your insurance after your house caught on fire.

Exception:

An off-grid solar system, for which government rebates & tax incentives cannot be applied for.States and local codes determine which NRTLs are accepted.