IEC 61968-5-2020 PDF

Full title and description

Application integration at electric utilities — System interfaces for distribution management — Part 5: Distributed energy optimization. This part of IEC 61968 describes the set of enterprise-level functions required to integrate Distributed Energy Resource Management Systems (DERMS) with distribution management and other enterprise systems; it focuses on DER group management, forecasting and dispatch at the enterprise interface (communication with individual DER devices is out of scope).

Abstract

IEC 61968-5:2020 specifies functional profiles and message exchanges to support distributed energy optimization through DER group creation, maintenance, deletion, status monitoring, forecasting, dispatch, ramp-rate control and connect/disconnect actions. The document defines data requirements, UML behaviour diagrams and enterprise integration considerations to enable interoperability between DERMS and other utility applications.

General information

• Status: International Standard (active).
• Publication date: 18 August 2020.
• Publisher: International Electrotechnical Commission (IEC).
• ICS / categories: 33.200 (Telecontrol, telemetering and associated information exchange).
• Edition / version: Edition 1.0 (2020).
• Number of pages: 99 (PDF publication length as listed by the IEC webstore).

Key bibliographic and stability metadata are reported by the IEC webstore for this publication.

Scope

This part of IEC 61968 is limited to enterprise integration use cases that allow a DERMS to present aggregated DER capabilities and manage DER groups on behalf of system operators and other enterprise applications. The scope includes group lifecycle operations (create, update, delete), monitoring and capability reporting, forecasting of group behaviour over time horizons, dispatch requests to aggregated resources, voltage ramp-rate requests, and connect/disconnect control at the group level. Direct device-level communications (e.g., IEC 61850, IEEE 2030.5, Modbus) remain out of scope and are expected to be handled by DERMS or device-facing systems.

Key topics and requirements

• Definitions of DER group concepts and group lifecycle operations (create, modify, delete).
• Data models and profile requirements for DERMS enterprise interfaces (status, capabilities, forecasts).
• Message and sequence diagrams (UML) for typical exchange patterns between DERMS and other applications.
• Requirements for DER group dispatch, ramp-rate control, connect/disconnect and aggregated resource reporting.
• Unit conventions for power and voltage (kW, kVAr, kVA, V) and normative annexes defining classes and enumerations used in profiles.
• Guidance for integrating heterogeneous device-protocol ecosystems at the enterprise level while leaving device-specific protocols out of scope.

These topics drive interoperability requirements for DERMS–DMS and DERMS–enterprise exchanges.

Typical use and users

Primary users are electric utilities (operations and grid planning teams), DERMS and DMS vendors, system integrators, software architects working on utility enterprise integration, consultants, and regulators evaluating interoperability and grid-integration strategies for distributed energy resources. Researchers and standards implementers use the document to design integration profiles and test cases.

Related standards

IEC 61968-5 is part of the IEC 61968 series (Application integration at electric utilities — System interfaces for distribution management) and is commonly implemented alongside device and communication standards such as IEC 61850, IEEE 2030.5, DNP3, SunSpec Modbus and emerging frameworks like OpenFMB; implementers typically map enterprise-level profiles defined in IEC 61968-5 to device-level protocols via DERMS or gateway functions.

Keywords

Distributed Energy Resources (DER), DERMS, Distribution Management System (DMS), distributed energy optimization, DER group, enterprise integration, interoperability, IEC 61968, system interfaces, forecasting, dispatch, ramp rate, connect/disconnect.

FAQ

Q: What is this standard?

A: IEC 61968-5:2020 is an international standard that defines enterprise-level functions and data profiles to support distributed energy optimization and DER group management between DERMS and other utility applications.

Q: What does it cover?

A: It covers DER group lifecycle operations (create, maintain, delete), status monitoring, capability forecasting, dispatch requests, voltage ramp-rate control and connect/disconnect actions at the enterprise interface; device-level communications are explicitly out of scope.

Q: Who typically uses it?

A: Utilities, DERMS and DMS vendors, integrators, software architects, consultants, regulators and researchers involved in DER integration and utility enterprise system interoperability.

Q: Is it current or superseded?

A: The edition is Edition 1.0 published in 2020 and the IEC webstore lists a stability date through 2026, so it is the current published edition until that stability date unless formally revised or withdrawn.

Q: Is it part of a series?

A: Yes — it is Part 5 of the IEC 61968 series (Application integration at electric utilities — System interfaces for distribution management); other parts and related profiles provide complementary integration guidance for distribution management.

Q: What are the key keywords?

A: DER, DERMS, DMS, distributed energy optimization, interoperability, enterprise integration, DER group, dispatch, forecast, IEC 61968.