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GB/T 35031.5-2025: Customer energy management system - Part 5: Application interface specification
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GB/T 35031.5-2025: Customer energy management system - Part 5: Application interface specification

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ICS 29.020 CCSK00 National Standards of the People's Republic of China User-side energy management system Part 5.Application-Side Interface Specification Published on 2025-12-31 Implemented on July 1, 2026 State Administration for Market Regulation The State Administration for Standardization issued a statement.

Table of contents

Preface V Introduction VI 1.Scope 1 2 Normative References 1 3.Terms, Definitions, and Abbreviations 1 3.1 Terms and Definitions 1 3.2 Abbreviations 2 4.Application-side API Scope 2 4.1 System Role Definition 2 4.2 Data Interaction Process 4 4.3 Scope of Data Provision 5.Interface Call and Response Methods 4 5.1 Data Transmission Principles 4 5.2 Request Header 4 5.3 Request URL 5 5.4 Return Code 5 5.5 Safety Description 5 5.6 Extensibility Description 5 6.Basic Information Model (Basic) 6.1 Basic Information Model Diagram 6 6.2 Equipment Category 6 6.3 Client-Side (Cems) 7 6.4 Data Count (DataCount) 8 6.5 Dynamic Data 8 6.6 Historical Data 8 6.7 Page Information (Page) 8 6.8 Measurement Parameters (8) 6.9 Access Point (Point) 9 6.10 Reading 10 6.11 Simple Equipment Category (10) 6.12 SimplePoint 10 6.14 Static Data 11 6.15 Statistical Data 11 7 Static Basic Information Interface 12 7.1 Retrieving Static Data from the Client (GetCemsStaticData) 12 8.Dynamic Real-Time Information Interface 19 9 Historical Data Information Interface 24 10 Summary Statistical Information Interface 29 Appendix A (Informative) Example 36 of the CEMS Application-Side Interface Requirements Response (DR) Extension A.1 Overview 36 A.2 DR Basic Information Model 36 A.3 DR Information Interface 39 Appendix B (Informative) Example 42 of the demand management extension of the CEMS application-side interface B.1 Overview 42 B.2 Basic Information on Demand Management 42 B.3 Demand Management Information Interface 43 Appendix C (Informative) Example 46 of CEMS Application-Side Interface C.1 Overview 46 C.2 Query basic user profile information 46 C.3 Query the current load status of distributed energy resources 47 C.4 Query energy consumption per unit of output. 49 C.5 Query the peak energy consumption of air conditioning and ventilation in April and May 2024 (50). C.6 Query historical data of user-side request response participation 51 C.7 Query demand management dynamic data 53

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents". Drafting. This document is Part 5 of GB/T 35031 "User-Side Energy Management System". GB/T 35031 has already published the following parts. ---Part 1.Guidelines; ---Part 2.Main Site Functional Specifications; ---Part 3-1.General Requirements for Subsystem Interface Gateways; ---Part 3-2.Subsystem Interface Gateway Data Configuration; ---Part 4.Specifications for Information Interaction between the Main Station and the Gateway; ---Part 5.Application-Side Interface Specification; ---Part 6.Management Indicator System; ---Part 7.Functional Classification and System Hierarchy; ---Part 8.Use Cases Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents. This document was proposed by the China Electrical Equipment Industry Association. This document is under the jurisdiction of the National Technical Committee on Standardization of Network Communication Interfaces for Electrical Equipment (SAC/TC411). This document was drafted by. Shanghai Electrical Apparatus Research Institute (Group) Co., Ltd., Shanghai Electrical Apparatus Research Institute, and China Three Gorges Corporation. Limited Liability Company, Yantai Dongfang Weiston Electric Co., Ltd., China Coal Technology & Engineering Group Shanghai Co., Ltd., Shanghai Huarui Zhongxin Technology Co., Ltd. XJ Electric Co., Ltd., State Grid Electric Power Research Institute Co., Ltd., Wanzhou Electric Co., Ltd., Acrel Electric Co., Ltd. The company, Shenzhen Power Supply Bureau Co., Ltd., Ningbo Tianan Smart Grid Technology Co., Ltd., Shenzhen Electric Power Technology Group Co., Ltd., Harbin Institute of Technology Information from. China University of Technology, China Quality Certification Center Co., Ltd., Nanjing Daquan Electric Research Institute Co., Ltd., and State Grid Hubei Electric Power Co., Ltd. Xin Company, Guomai Communication Planning and Design Co., Ltd., Shenzhen Xineng Power Development and Design Institute Co., Ltd., Tsinghua Sichuan Energy Internet Research Institute, China Energy Engineering Group Guangxi Electric Power Design Institute Co., Ltd., Shanghai Jiao Tong University, Beijing University of Science and Technology, China Electric Power Research Institute Joint-stock company, Shenzhen Elink Network Security Co., Ltd., and Shanghai Liangxin Electric Co., Ltd. The main drafters of this document are. Xi Peifeng, Cai Zhongyong, Cui Ming, Tian Haitao, Wei Yong, Song Jie, Shao Hua, Ouyang Daosheng, Wu Xiaodong, and Tong Weiming. Zhang Shaodi, Jiao Fengshun, Cheng Cen, Yu Lingna, Zhou Xiao, Chen Junjie, Liu Liang, Lü Jiahui, Wu Xiangke, Zhao Shiyun, Xie Yongbin, Teng Yu, He Ke, Dong Liang Lai Xiukun, Li Xueming, Zhang Zhengfang, Lin Haifeng, Zhou Yongjin, Ju Changjiang, Xie Jianbo, Wu Yicong, Cui Hezhi, Hu Xin, Xie Ning, Pan Chongchao, Liu Cong Dai Jianping, Wu Geng, Pan Zhongqi, Li Cunkai, Wang Gang, Chen Meihua, Fu Xueqiang, Jin Bo.

Introduction

GB/T 35031 "User-Side Energy Management System" is a recommended standard to guide the standardization of user-side energy management, aiming to achieve unified standards. Technical requirements, data interface models, and evaluation systems are needed to address the long-standing challenges faced by different manufacturers and stakeholders in my country's user-side energy management field. The problem of compatibility between users and different systems. Given that user-side energy management systems involve multiple dimensions such as systems and components, hardware and software, communication protocols, data interfaces, monitoring and evaluation, etc. The content of GB/T 35031 can be clearly divided into several relatively independent but interconnected parts, so GB/T 35031 is proposed to consist of eight parts. ---Part 1.Guidelines. Provides an architecture model and general requirements for user-side energy management systems. ---Part 2.Main Station Functional Specifications. This includes the functional architecture, functional definitions, and requirements of the user-side energy management system main station software. ---Part 3-1.General Requirements for Subsystem Interface Gateways. Includes the functional model, functional requirements, and electrical specifications of the subsystem interface gateway. General requirements for machinery, inspection, etc. ---Part 3-2.Subsystem Interface Gateway Data Configuration. Defines the data model of the subsystem interface gateway and the data to be configured. ---Part 4.Master Station and Gateway Information Exchange Specification. Defines the subsystem interface. The gateway communicates with the master station via the MQTT protocol. Various interactive themes. ---Part 5.Application-Side Interface Specification. Defines various application programming interfaces for the application side. ---Part 6.Indicator System. Provides the technical indicator system and definitions of each indicator item for the user-side energy management system. ---Part 7.Functional Classification and System Hierarchy. Provides methods for functional classification and system hierarchy of user-side energy management systems. ---Part 8.Use Cases. This section outlines and summarizes various user-side energy service models, detailing different types of user-side energy management through use cases. And the participants in the service, the information they interact with, and the specific processes. The main purpose of this document is to define the static basic information interface based on the definition of the basic information model of the user-end energy management system. The system includes interfaces for dynamic real-time information, historical data information, and summary statistical information, and specifies the interface call and response methods. User-side energy management system Part 5.Application-Side Interface Specification

1 Scope

This document specifies the application program for information exchange between the user-side Energy Management System (CEMS) master station and the energy service platform. interface. This document applies to the development of application programming interfaces (APIs) for user-side energy management systems.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included. For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies. This document. GB/T 7408-2005 Data Elements and Interchange Formats - Information Interchange - Representation of Date and Time GB /Z 32500-2016 General Requirements for Data Interfaces of Smart Grid User-End Systems GB/T 35031.1-2018 User-side energy management system - Part 1.Guidelines GB/T 35031.2-2018 User-side energy management system - Part 2.Main station functional specifications GB/T 35031.4-2022 User-side energy management system - Part 4.Specification for information interaction between the master station and the gateway GB/T 35031.6-2019 User-side energy management system - Part 6.Management indicator system GB/T 35031.302-2022 User-side energy management system - Part 3-2.Subsystem interface gateway data configuration 3.Terms, Definitions and Abbreviations 3.1 Terms and Definitions GB /Z 32500-2016, GB/T 35031.1-2018, GB/T 35031.2-2018, GB/T 35031.302-2022, The terms and definitions defined in GB/T 35031.4-2022, as well as the following terms and definitions, apply to this document. 3.1.1 A computerized information system used for monitoring and managing energy at the user end. Note 1.Cems represents a core object in CEMS, that is, a specific instance of CEMS. In the API interface, Cems is used to describe and manage... Basic information about the user client and associated access points. Note 2.cems represents the user-side attributes and is associated with user-side Cems-related information. Note 3.In the API URL, cems indicates that the interface is applicable to user-side energy management systems. 3.1.2 Third-party providers of energy or those integrating and optimizing energy resources through digital means to offer users energy management, trading, monitoring, and other services. Fang platform. ...