EN IEC 62746-4:2025

SLOVENSKI STANDARD
oSIST prEN IEC 62746-4:2024
01-februar-2024
Sistemski vmesnik med sistemom upravljanja z energijo odjemalca in sistemom
upravljanja moči - Del 4: Vmesnik virov na strani povpraševanja
Systems interface between customer energy management system and the power
management system - Part 4: Demand Side Resource Interface
Interface entre le système de gestion de l'énergie côté client et le système de gestion de
puissance - Partie 4: Interface de ressources côté demande
Ta slovenski standard je istoveten z: prEN IEC 62746-4:2023
ICS:
29.240.30 Krmilna oprema za Control equipment for electric
elektroenergetske sisteme power systems
oSIST prEN IEC 62746-4:2024 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

oSIST prEN IEC 62746-4:2024
oSIST prEN IEC 62746-4:2024
57/2625/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 62746-4 ED1
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2023-12-08 2024-03-01
SUPERSEDES DOCUMENTS:
57/2585/CD, 57/2605A/CC
IEC TC 57: POWER SYSTEMS MANAGEMENT AND ASSOCIATED INFORMATION EXCHANGE
SECRETARIAT: SECRETARY:
Germany Mr Heiko Englert
OF INTEREST TO THE FOLLOWING COMMITTEES: PROPOSED HORIZONTAL STANDARD:

SC 23K
Other TC/SCs are requested to indicate their interest, if any, in this
CDV to the secretary.
FUNCTIONS CONCERNED:
EMC ENVIRONMENT QUALITY ASSURANCE SAFETY
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
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The attention of IEC National Committees, members of CENELEC,
is drawn to the fact that this Committee Draft for Vote (CDV) is
submitted for parallel voting.
The CENELEC members are invited to vote through the CENELEC
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This document is still under study and subject to change. It should not be used for reference purposes.
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and to provide supporting documentation.
Recipients of this document are invited to submit, with their comments, notification of any relevant “In Some Countries” clauses to be
included should this proposal proceed. Recipients are reminded that the CDV stage is the final stage for submitting ISC clauses. (SEE
AC/22/2007 OR NEW GUIDANCE DOC).

TITLE:
Systems interface between customer energy management system and the power management system –
Part 4: Demand Side Resource Interface

PROPOSED STABILITY DATE: 2026
NOTE FROM TC/SC OFFICERS:
electronic file, to make a copy and to print out the content for the sole purpose of preparing National Committee positions.
You may not copy or "mirror" the file or printed version of the document, or any part of it, for any other purpose without
permission in writing from IEC.

oSIST prEN IEC 62746-4:2024
57/2625/CDV – 2 – IEC CDV 62746-4  IEC 2023
CONTENTS
FOREWORD . 6
INTRODUCTION . 8
1 Scope . 9
1.1 Scope of full standard . 9
1.2 Scope of this document . 9
2 Normative references . 9
3 Terms, definitions, and acronyms . 10
3.1 Term Definitions . 10
3.2 Acronyms . 11
4 Reference and Information Models . 12
4.1 General Approach . 12
4.2 Reference Communication Model . 13
4.3 Information Model . 16
5 Core Modelling & Shared Enumerations . 27
5.1 Master Resource Identifiers . 27
5.2 Compound Classes . 27
5.3 Shared Data Types . 35
6 Message Profiles . 41
6.1 Market DER Profile . 41
6.2 Reference Energy Curve Profile . 46
6.3 Bid/Offer Curve Profile . 50
6.4 Dispatch Profile . 58
6.5 Commodity Price Exchange Profile . 63
7 Message Sequences . 66
7.1 General . 66
7.2 Inform . 68
7.3 Incentivise . 68
7.4 Plan . 68
7.5 Schedule . 68
7.6 Report . 68
7.7 Evaluate . 69
Annex A: Use Case: Energy Management of Groups of Buildings based on
Financial Incentives from Electricity Markets . 70
a. Scope and Objectives . 70
b. Actors . 72
c. Process Overview . 73
d. Process Details . 75

oSIST prEN IEC 62746-4:2024
IEC CDV 62746-4  IEC 2023 – 3 – 57/2625/CDV
e. Possibilities for control parameters . 81
f. Implementation using CIM Profiles defined in this document . 82
Annex B: Profile UML Diagrams . 83
a. MarketDER . 83
b. ReferenceEnergyCurve . 84
c. MarketDERBidOffer . 85
d. MarketDERInstruction . 86
e. CommodityPriceExchange . 87
Annex C: XML Schemas . 88
Annex D: Sample XML . 89

Figure 1: IEC 62746-4 Representation . 12
Figure 2: SPS-CEMS Communication Logical Model . 13
Figure 3: SPS-AEMS-CEMS Communications Logical Model . 14
Figure 4: Example of “Stacked” Aggregators . 15
Figure 5: Resource Model . 16
Figure 6: Location Model . 17
Figure 7: Node Mapping . 18
Figure 8: Connectivity & Pricing / Nodes & Zones . 19
Figure 9: Capacity & Qualification Model . 20
Figure 10: Energy Schedule Model . 21
Figure 11: Price-Based Versus Self-Schedule . 23
Figure 12: Price-Sensitive Bids/Offers . 24
Figure 13: Dispatch Model . 24
Figure 14: Commodity Model . 25
Figure 15: Price Model . 26
Figure 16: MarketDER Schema . 42
Figure 17: ResourceCapacity Sub-Schema . 44
Figure 18: ResourceCertification Sub-Schema . 45
Figure 19: Reference Energy Curve Schema . 46
Figure 20: ResourceTimeSeries Sub-Schema . 47
Figure 21: Time Points Sub-Schema . 49
Figure 22: Bid/Offer Curve Schema . 50
Figure 23: Product Bid Sub-Schema . 52
Figure 24: Price-Sensitive Bid/Offer Sub-Schema . 53
Figure 25: BidPriceCurve Sub-Schema . 54
Figure 26: CurveDatas Sub-Schema . 55

oSIST prEN IEC 62746-4:2024
57/2625/CDV – 4 – IEC CDV 62746-4  IEC 2023
Figure 27: BidSelfSched Sub-Schema . 56
Figure 28: TimePoints Sub-Schema . 57
Figure 29: MarketDERInstruction Schema . 58
Figure 30: DistributedResourceActualEvent Sub-Scheme . 59
Figure 31: InstructionClearing Sub-Schema . 60
Figure 32: MarketOccurrence Sub-Schema . 62
Figure 33: CommodityPriceExchange Schema . 63
Figure 34: Commodity Price Schema . 65
Figure 35: Sequence Diagram . 67
Figure 36: Examples of Energy Values for Demand Response Exchanges . 69

Table 1: List of Acronyms . 11
Table 2: ScheduleKind . 22
Table 3: Attributes of IdentifiedObject . 27
Table 5: Attributes of FloatQuantity . 28
Table 5: Attributes of ActivePowerChangeRate . 28
Table 6: Attributes of Seconds . 28
Table 7: Attributes of Minutes . 29
Table 8: Attributes of DateTimeInterval . 29
Table 9: Attributes of Status. 29
Table 10: Attributes of StreetAddress . 30
Table 11: Attributes of StreetDetail .
...