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MID Certification Explained: What You Need to Know

A practical guide to understanding MID certification and its role in legal electricity metering.

What Is MID Certification?

MID (Measuring Instruments Directive 2014/32/EU) is an EU requirement for electricity meters used in billing and cost allocation. If energy consumption affects payments, the meter must be MID-certified.

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When Is MID Certification Required?

MID certification is required when meters are used for:

• Tenant billing
• Sub-metering in residential or commercial buildings
• Energy cost allocation between users
  For internal monitoring only, MID is not mandatory — but still recommended.

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How to Recognize an MID-Certified Meter

An MID-certified meter is marked with:

• CE marking
• M + year of certification
• Notified Body number

These markings confirm legal compliance within the EU.

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Why It Matters

Using MID-certified meters ensures:

• Legal compliance across the EU
• Accurate and trusted billing
• Fewer disputes over energy consumption

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MID and VEXEN

VEXEN MID-certified meters are designed for DIN-rail installation, fast integration, and reliable long-term operation in residential and commercial projects.

Summary

If electricity measurement is used for billing, MID certification is essential. Choosing certified meters protects your project and ensures compliance.