A white power strip with multiple electronic devices plugged in

Guide to NOM-029-ENER-2017: Mexican Energy Efficiency Standard for External Power Supplies

NOM-029-ENER-2017 is an Official Mexican Standard that establishes requirements for external power supplies (EPS) sold in Mexico to ensure they meet energy efficiency standards and provide clear consumer information.

It is designed to reduce energy consumption by establishing minimum efficiency levels for these devices.

This article explains the scope and key compliance requirements for NOM-029-ENER-2017, allowing you to sell your products on the Mexican market with confidence.

For background information, see: What Is NOM Certification for Mexico?

Purpose of the Standard

NOM-029-ENER-2017 sets out to:


NOM-029-ENER-2017  focuses on external power supplies sold in Mexico, specifically those that convert alternating current (AC) voltage to a single level of direct current (DC).

The standard applies to both new and second-hand external power supplies sold in Mexico. It went into effect in 2018.

Products covered by this standard include:


The following are not required to comply with NOM-029-ENER-2017:

Source: Sections 1 and 2 of NOM-029-ENER-2017

Key Requirements of NOM-029-ENER-2017

Here is a high-level summary of the standard’s key requirements:

Energy Efficiency Requirements

Maximum No-Load Power Consumption

Marking and Labeling Requirements

Certificate of Conformity

Ensure Compliance with QIMA-NYCE

Entering the Mexican market with external power supplies? QIMA-NYCE simplifies NOM-029-ENER-2017 compliance and certification. Leverage our expert guidance, extensive lab testing network, and streamlined process to get your EPS certified quickly and cost-effectively.

To learn more about how we can assist you with NOM 029 certification or to start the certification process, please learn more about our NOM certification services or contact us today to book.

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