UL 1741 Certification & Inverter Testing

UL 1741 is a critical safety and performance standard developed by Underwriters Laboratories, specifically designed for inverters, converters, controllers, and interconnection system equipment used in distributed energy resources, including solar, wind, and energy storage systems. Compliance with UL 1741 is essential for legal installation and operation within the U.S. electrical grid and is widely recognized globally for ensuring product safety and grid reliability.

Why UL 1741 Certification Matters

Certification to UL 1741 standards ensures your equipment meets stringent safety requirements such as preventing electrical shock, fire hazards, and operational failures. It also guarantees devices conform to performance benchmarks vital for grid stability, including efficient energy conversion, voltage regulation, and interoperability with power grid infrastructure.

Comprehensive UL 1741 Testing Services

Bureau Veritas provides full UL 1741 testing and certification services that include:

· Electrical safety evaluations, including insulation resistance and dielectric strength tests

· Performance testing to verify energy conversion efficiency and output power stability

· Environmental testing covering temperature extremes, humidity, vibration, and mechanical shock

· EMC testing to ensure electromagnetic compatibility and reduce interference

· Testing according to UL 1741 supplements SA and SB for advanced grid support functionalities and smart inverter features

Why Choose Bureau Veritas?

✓ Global Footprint: Access a worldwide network of accredited laboratories and field specialistss providing localized support across major markets and supply chains.

✓ Centre of Excellence: Operational and technical excellence at the core of our service delivery.

✓ Speed to Market: Streamlined project management and digital tools accelerate certification timelines while ensuring compliance with global standards.

✓ Technical Expertise: Our specialists actively participate in international standards committees, offering authoritative insights and guidance on evolving regulatory frameworks.

Get in touchwith us

First name

Last name

Email

company

Country / Territory

phone

Tell us about your enquiry

How can we help you?

Please tell us which product your enquiry relates to

Please tell us which service your enquiry relates to

Would you like to receive marketing communication from Bureau Veritas?

Yes

No

INFORMATION NOTICE TO DATA SUBJECTS
Your personal data are collected by Bureau Veritas Consumer Products Services Division (“BVCPS”), through its entity Bureau Veritas Hong Kong Limited (having its registered office at 1/F, Pacific Trade Centre, 2 Kai Hing Road, Kowloon Bay, Kowloon, Hong Kong), as well as the BVCPS affiliate(s) with which you had, have or will have a business relationship or that otherwise decide(s) which of your personal data is collected and how it is used.  A list of BVCPS affiliates is available at: BVCPS Locations (https://www.cps.bureauveritas.com/sites/g/files/zypfnx236/files/media/document/BVCPS%20Locations_20210611_for%20web.pdf)
Your personal data are subject to computer processing in order to respond to your requests and to provide you with additional information about BVCPS services, events or topics that may be of interest to you on the basis of your consent to the processing of your personal data for that purpose (by checking the box below).
Your personal data are intended for use by the relevant business departments of BVCPS and/or their service providers depending on the nature of your requests, as well as by BVCPS IT department.    Your personal data will be retained until the earlier of (a) one year after the last communication, or (b) your request to delete the personal data. 
Your personal data may be transferred outside the European Union, on the basis of your explicit consent, as the data subject, to the proposed transfer. By checking the box below, you are providing your explicit consent to the proposed transfer, with your acknowledgement of the possible risks of such transfer due to the absence of an adequacy decision pursuant to Article 45 of the General Data Protection Regulation of 27 April 2016 or of appropriate safeguards pursuant to Article 46 of the General Data Protection Regulation of 27 April 2016.
In accordance with the French Data Protection Act of 6 January 1978 as amended and the General Data Protection Regulation of 27 April 2016, you may have the right to access, rectify and erase any personal data concerning you, as well as the right to limit the processing, the right to oppose to the processing or the right to portability of your personal data. You have the right to withdraw your consent at any time by connecting to the site or application (https://personaldataprotection.bureauveritas.com). and unchecking the box dedicated to the collection of your consent. You also have the right to set out general and specific guidelines that define how you intend these rights to be exercised after your death. You can exercise your rights by e-mail at the following address: https://personaldataprotection.bureauveritas.com. Finally, you have a right to lodge a complaint to the Commission Nationale Informatique et Libertés (CNIL) or the relevant authorities in your country.
Fields marked with an asterisk must be filled in. Otherwise, BVCPS would not be able to respond to your requests and/or provide you with additional information.