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GB/T 45905.1-2025: Electricity spot market operation - Part 1: Terminology
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 45905.1-2025 | English | 359 |
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Electricity spot market operation - Part 1: Terminology
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Basic data
| Standard ID | GB/T 45905.1-2025 (GB/T45905.1-2025) |
| Description (Translated English) | Electricity spot market operation - Part 1: Terminology |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | F20 |
| Classification of International Standard | 29.240 |
| Word Count Estimation | 18,125 |
| Date of Issue | 2025-08-01 |
| Date of Implementation | 2026-02-01 |
| Issuing agency(ies) | State Administration for Market Regulation, Standardization Administration of China |
GB/T 45905.1-2025: Electricity spot market operation - Part 1: Terminology
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT45905.1-2025
ICS 29.240
CCSF20
National Standard of the People's Republic of China
Electricity spot market operations
Part 1.Terminology
Released on August 1, 2025
Implementation on February 1, 2026
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
Introduction IV
1 Scope 1
2 Normative references 1
3 Market Operations 1
4 Grid Operation 3
References 8
Index 9
Preface
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document is Part 1 of GB/T 45905 “Electricity Spot Market Operation”. GB/T 45905 has been published in the following parts.
--- Part 1.Terminology;
--- Part 2.Provincial technical support system;
--- Part 3.Inter-provincial technical support system;
--- Part 4.Load forecasting;
--- Part 5.Calculation method for new energy participation in power balance;
--- Part 6.Frequency modulation capacity management;
--- Part 7.Spare capacity management;
--- Part 8.Multi-cycle power and quantity balance calculation method;
--- Part 9.Market power monitoring and mitigation;
--- Part 10.Operational evaluation.
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by the China Electricity Council.
This document is under the jurisdiction of the National Technical Committee for Standardization of Power Grid Operation and Control (SAC/TC446).
This document was drafted by. State Grid Corporation of China, China National Grid Corporation of China, State Grid Gansu Electric Power Company, State Grid Liaoning Electric Power Company
Co., Ltd., State Grid Zhejiang Electric Power Co., Ltd., State Grid Fujian Electric Power Co., Ltd., State Grid Shandong Electric Power Co., Ltd., State Grid Anhui Electric Power Co., Ltd.
Co., Ltd., China Southern Power Grid Co., Ltd., Guangdong Power Grid Co., Ltd., China Huaneng Group Co., Ltd., China Huadian Group Co., Ltd.
Co., Ltd., China Electric Power Research Institute Co., Ltd., Beijing Power Exchange Co., Ltd., and Capital Power Exchange Co., Ltd.
The main drafters of this document are. Yang Junfeng, Sun Dayan, Wang Chao, Yu Zhao, Ma Ke, Li Min, Xie Lirong, Wang Delin, Tao Hongzhu, Lun Tao, Cao Rongzhang,
Huang Jungao, Zhang Zhiyu, Luo Zhiqiang, Chang Naichao, Liang Zhifeng, Wang Yanan, Yao Weifeng, Zhang Xiaobin, Liu Gang, Xu Lizhong, Liu Zhixuan, Zhou Xin, Liang Yanjie,
Yang Yun, Lei Xuejiao, Wang Chunsen, Lin Sunben, Yang Na, Wei Jingyu, Zhou Lei, Guo Tao, Yuan Peng, Liu Chunxiao, Cui Hui, Xu Dan, Wang Xingcun, Ji Peng, and Hu Yuan.
introduction
In order to further implement the national decision-making arrangements for deepening power system reform and accelerating the construction of a new power system, and to support the high-quality development of the power spot market,
This series of
standard.
GB/T 45905 "Electricity Spot Market Operation" covers terminology, provincial technical support system, inter-provincial technical support system, load forecasting, new energy
Power balance calculation method for power source participation, frequency regulation capacity management, reserve capacity management, multi-cycle power balance calculation method, operation evaluation, etc.
GB/T 45905 is planned to consist of 10 parts.
--- Part 1.Terminology. The purpose is to standardize the terms and definitions related to electricity spot market operation and grid operation, to provide a standardized and high-level
Provide guidance for the effective construction and operation of electricity spot markets.
--- Part 2.Provincial technical support system. The purpose is to standardize the system architecture, functional requirements, performance of the provincial technical support system
requirements, data interaction, reliability assurance, security protection and other technical requirements, as a provincial technical support system design, development, construction and
Basis for operation.
--- Part 3.Inter-provincial technical support system. The purpose is to standardize the system architecture, functional requirements, performance of the inter-provincial technical support system
requirements, data interaction, reliability assurance, security protection and other technical requirements, as the provincial technical support system design, development, construction and
Basis for operation.
--- Part 4.Load Forecasting. The purpose is to specify the basic technical requirements for load forecasting in the electricity spot market, which is used to guide the
Market operators, business entities and power grid companies carry out short-term and ultra-short-term system load forecasting, bus load forecasting and
Household load forecasting.
--- Part 5.Calculation method for new energy participating in power balance. The purpose is to standardize the power spot market environment, wind power, photovoltaic power, etc.
Principles, calculation methods and basic data requirements for the participation of new energy in electricity balance at different scales.
--- Part 6.Frequency Regulation Capacity Management. The purpose is to standardize the overall requirements and calculation methods for frequency regulation capacity setting in the spot market, clarify
Determine the frequency regulation capacity evaluation and adjustment methods, improve the standardization of the frequency regulation market and the compliance operation level of the spot market, and guide provincial/regional
The power grid carries out frequency regulation capacity management.
--- Part 7.Spare capacity management. The purpose is to standardize spare capacity configuration, spare capacity mutual assistance, spare capacity recovery and other requirements.
Provide guidance to provincial/regional power grids on reserve capacity management.
--- Part 8.Multi-cycle power and quantity balance calculation method. The purpose is to specify the basic requirements for multi-cycle power and quantity balance calculation.
The requirements, data requirements, calculation methods and conclusion analysis are used to guide provincial and above power grids in dispatching production organization and spot market operation.
Carry out multi-cycle (year, month, week, day) power and electricity balance work during the process.
--- Part 9.Market power monitoring and mitigation. The purpose is to standardize the monitoring methods and mitigation of market power in provincial/regional electricity spot markets.
Mitigation measures provide guidance for market power monitoring and mitigation.
--- Part 10.Operational evaluation. The purpose is to standardize the evaluation requirements, evaluation indicators, and evaluation of provincial/regional electricity spot market operations.
The evaluation methods are used to provide guidance for the operation evaluation of the electricity spot market.
Electricity spot market operations
Part 1.Terminology
1 Scope
This document defines terms related to the operation of electricity spot markets.
This document applies to the construction and operation of the electricity spot market, the construction and maintenance of technical support systems, market supervision and evaluation, etc.
2 Normative references
This document has no normative references.
3 Market Operations
3.1
electricity market
Electricity producers and users trade electricity and related products through negotiation and bidding, and prices are determined through market competition.
and quantity of the market.
Note. The electricity market is divided into the electric energy market, ancillary service market, capacity market and transmission rights market.
3.2
electric energy market
A market where electrical energy is the subject of transactions.
Note. The electricity energy market includes the medium- and long-term market and the spot market.
3.3
The power dispatching agency shall organize the trading of the whole operation period on the day before the operation day, or organize the trading of the next 5 minutes on the operation day.
to the electricity energy market for trading in the coming hours.
3.4
day-ahead market
An electricity market where transactions in various time periods of the operation day are organized centrally one day before the operation day.
3.5
intra-day market
The electricity market is centrally organized to carry out transactions in the coming hours on the operation day.
3.6
real-time market
On the operation day, the electricity market continuously organizes transactions for the next 5 minutes to 15 minutes.
3.7
A market where auxiliary services such as frequency regulation, standby, ramping, and rotational inertia are traded.
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