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IEC 63402-1:2025 (EN-FR)

Energy Efficiency - Customer Energy Management Systems -- Part 1: General Requirements and Architecture

Standard Details

IEC 63402-1:2025 specifies general requirements and the architecture between the Point of Common Coupling (PCC) and smart devices (SD) operating within the Smart Grid premises-side system (i.e. residential or commercial but not industrial premises).
This document does not include requirements for:
- safety
- electromagnetic compatibility (EMC);
- data security, as it is assumed that the underlying protocols will take the data security aspect into account
- special equipment (e.g. legacy heat pumps) with a direct physical connection to the grid, as such equipment bypasses the customer energy manager (CEM) and is not HBES/BACS enabled (covered by other standards than the IEC 63402 series).
This group EE publication is primarily intended to be used as an EE standard for the products mentioned in the scope, but is also intended to be used by TCs in the preparation of publications for products which are included in the boundary mentioned in the scope of this document.
It has the status of a group energy efficiency publication in accordance with IEC Guide 118.

General Information

Status : ACTIVE
Standard Type: Main
Document No: IEC 63402-1:2025 (EN-FR)
Document Year: 2025
Pages: 66
Edition: 1.0
  • Section Volume:
  • TC 23.SC 23K Electrical Energy Efficiency products
  • ICS:
  • 03.100.70 Management systems *Standards included in this sub-group shall also be included in other groups and/or sub-groups according to their subject *Including environmental management systems (EMS), road traffic management systems, energy management systems, hea
  • 27.015 Energy efficiency. Energy conservation in general *Including energy audits *Energy management systems, see 03.100.70 *Energy efficiency of buildings, see 91.120.10
  • 29.020 Electrical engineering in general

Life Cycle

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IEC 63402-1:2025 (EN-FR)
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