On February 27, the National Development and Reform Commission and the National Energy Board jointly issued the "Guidance on Strengthening the Capacity Building of Grid Peaking, Energy Storage and Intelligent Dispatch", which for the first time juxtaposes energy storage with grid peaking and intelligent dispatching as a key support for promoting the development of new energy in large-scale and high proportion, and as an important element in building a new type of power system.
The document mentions promoting the construction of energy storage capacity, doing a good job in the planning and construction of pumped storage power stations, and promoting the power side of theNew Energy Storageconstruction, optimize the development scale and layout of new energy storage in power transmission and distribution, develop user-side new energy storage, and promote the diversified and coordinated development of new energy storage technologies.
Vigorously enhance the grid's ability to optimize the allocation of renewable energy. It will give full play to the role of the large power grid as a platform for optimizing resource allocation, strengthen the synergy of renewable energy bases, regulating resources and transmission channels, strengthen the construction of the transmission and receiving end of the network framework, and support the bundling of wind, light, water, fire, storage and other multi-energy transmission. It has strengthened the construction of inter-regional and inter-provincial liaison lines, enhanced mutual aid capacity, and promoted the sharing of peaking resources. Explore the application of new transmission technologies such as flexible direct current transmission, and enhance the ability to send out and consume a high proportion of renewable energy.
Promote the construction of new energy storage on the power supply side. EncourageNew Energy EnterprisesFlexible configuration of new energy storage through self-built, co-built and leasing methods, combined with system demand to reasonably determine the scale of energy storage configuration, to enhance the utilization level of new energy consumption, capacity support capability and network safety performance. For large-scale new energy bases focusing on deserts, the Gobi and desert regions, the construction of supporting energy storage should be reasonably planned and its regulating capacity should be brought into full play, so as to play a greater role in supporting large-scale and high-percentage transmission of new energy and promoting the development of multi-energy complementarity.
The original text follows:
National Development and Reform Commission National Energy Administration's Guidance on Strengthening Grid Peak Energy Storage and Intelligent Dispatch Capacity Building
Provinces, autonomous regions, municipalities directly under the Central Development and Reform Commission, Energy Bureau, Beijing Municipal Commission, Tianjin, Liaoning, Shanghai, Chongqing, Sichuan, Gansu Provincial Department of Industry and Information Technology (Economic and Information Commission), China National Nuclear Corporation, State Grid Corporation, China Southern Power Grid Corporation, China Huaneng Group Corporation, China Datang Group Corporation, China Huadian Corporation, China Power Investment Group Corporation, China Yangtze River Three Gorges Group Corporation, National Energy Investment Group Corporation, China Resources Group Corporation, National Development and Investment Group Corporation, China Guangnuclear Corporation. Ltd., China Yangtze River Three Gorges Group Co., Ltd., National Energy Investment Group Co., Ltd., China Resources Group Co:
Grid peaking, energy storage and intelligent scheduling capacity building is the main initiative to enhance the regulatory capacity of the power system, is to promote the development of new energy large-scale high proportion of the key support, is to build a new type of power system is an important element. In order to better integrate development and security, guarantee the safe and stable supply of electric power, and promote the clean and low-carbon transformation of energy and power, the following opinions are put forward on strengthening the construction of grid peaking, energy storage and intelligent scheduling capacity.
I. General requirements
Guided by Xi Jinping's thought of socialism with Chinese characteristics in the new era, the Party will thoroughly implement the spirit of the 20th National Congress of the Communist Party of China (CPC), fully, accurately and comprehensively implement the new development concept, accelerate the construction of a new development pattern, focus on promoting high-quality development, coordinate development and security, further promote the energy revolution, integrate and optimize the layout of the construction and use of the power system's peak-regulating resources, and promote the large-scale and high-quality development of the power supply-side, power-grid-side and load-side energy storage. It will also build a flexible and intelligent grid scheduling system, form a power system regulation capacity that is compatible with the development of new energy, support the construction of a new type of power system, promote the clean and low-carbon transformation of energy, and ensure the safe and stable supply of energy and power.
--Problem-oriented, systematic planning. Focusing on the key problem of insufficient regulation capacity of the electric power system, insisting on the national chess, promoting the synergistic development of planning, construction and operation, promoting the synergistic development of technology, management, policy and mechanism, and giving full play to the role of various types of regulating resources of the source network, load and storage.
--Market-led, policy support. Give full play to the decisive role of the market in the allocation of resources, give better play to the role of the Government, improve the market system and price mechanism reflecting the value of flexible adjustment, and fully mobilize the enthusiasm of all kinds of subjects in building regulatory capacity.
--Scientific allocation in accordance with local conditions. Comprehensive consideration of local resource conditions, source network structure, load characteristics, affordability and other factors, combined with the actual promotion of all types of regulation resources rational allocation and optimal combination, to ensure that new energy reasonable consumption and utilization.
--Adhering to the bottom line and safety abundance. Adhere to the bottom line thinking, limit thinking, adhere to the safety first, first set up and then break, dynamic study and judgment of the power system on the demand for regulating capacity, moderately accelerate the peaking, energy storage and intelligent scheduling capacity construction, promote the power system regulating capacity to maintain a reasonable degree of adequacy, enhance the ability to prevent and respond to extreme situations, and ensure the safe and stable operation of the power system.
By 2027, the regulation capacity of the power system will be significantly improved, the commissioning scale of pumped storage power stations will reach more than 80 million kilowatts, the demand-side response capacity will reach more than 5% of the maximum load, the policy system to guarantee the market-oriented development of new energy storage will be basically built, the intelligent dispatch system adapted to the new type of power system will gradually take shape, and the proportion of new energy power generation in the country will reach more than 20%. The utilization rate of new energy will be maintained at a reasonable level, guaranteeing the balance of power supply and demand and the safe and stable operation of the system.
II. Enhancing peak capacity building
(i) Efforts will be made to enhance the peak-regulating capacity of supportive power sources. In-depth development of coal power unit flexibility transformation, by 2027, the stock of coal power units to realize "should be changed as much as possible". In areas where new energy accounts for a relatively high proportion and the peaking capacity is insufficient, coal power units will be explored for in-depth peaking under the premise of ensuring safety, and the minimum power generation output will be below the rated load of 30%. In areas with guaranteed gas sources, affordable gas prices and large peak demand, a number of peak gas power projects will be appropriately laid out to give full play to the advantages of rapid start and stop of gas units, and to enhance the system's short-term peak and depth regulation capability. Explore nuclear power peaking, and study the feasibility of safe participation of nuclear power in power system regulation.
(ii) Coordinating the enhancement of renewable energy peaking capacity. Actively promote the construction of leading reservoirs and power stations in the basin, promote the expansion of hydropower capacity and the utilization of power generation potential, and carry out coordinated and optimized scheduling of terraced hydropower stations to enhance hydropower peak shifting capacity. Give full play to the peaking effect of photothermal power generation. Promote the construction of system-friendly new energy power stations, strengthen the application of high-precision and long-time power prediction technology and intelligent centralized control technology, realize the coordination and complementarity of wind, light and storage, and promote the power stations to have a certain power grid peak shifting and capacity support capability.
(c) Vigorously improving the grid's ability to optimize the allocation of renewable energy. Give full play to the role of the power grid as a platform for optimizing resource allocation, strengthen the synergy of renewable energy bases, regulating resources and transmission channels, strengthen the construction of the transmission and receiving end of the grid, and support the bundling of wind, water, fire, storage and other energy sources for sending out. It has strengthened the construction of inter-regional and inter-provincial liaison lines, enhanced mutual aid capacity, and promoted the sharing of peaking resources. Explore the application of new transmission technologies such as flexible direct current transmission, and enhance the ability to send out and consume a high proportion of renewable energy.
(d) Tapping the peak-peaking potential of demand-side resources. Comprehensively promote the regularization of demand-side resources to participate in power system peaking. In-depth excavation of adjustable loads, distributed power sources and other resource potential, support through load aggregators, virtual power plants and other main aggregation to form a large-scale regulation capacity, promote the implementation of minute-level and hourly demand response, and cope with short-term power supply and demand tensions and difficulties in the consumption of new energy.
III. Promoting energy storage capacity building
(v) Planning and construction of pumped storage power stations. Comprehensively consider the demand for electric power systems and the conditions for the construction of pumped storage site resources, optimize the allocation of inter-provincial pumped storage resources within the region on the basis of meeting the demand for local self-consumption, coordinate the planning of pumped storage and other regulating resources, and rationally distribute, scientifically and orderly develop and construct pumped storage power stations, avoiding such problems as blind decision-making and low-level repetitive construction, and preventing potential ecological safety hazards.
(vi) Promoting the construction of new energy storage on the power supply side. Encourage new energy enterprises to flexibly configure new types of energy storage by means of self-built, co-built and leased energy storage, and reasonably determine the scale of energy storage configuration in the light of system demand, so as to enhance the level of utilization of new energy consumption, capacity support capability and network safety performance. For large-scale new energy bases focusing on deserts, the Gobi and desert regions, the construction of supporting energy storage is reasonably planned and its regulating capacity is brought into full play, so as to play a greater role in supporting the large-scale and high-percentage transmission of new energy, and in promoting the development of multi-energy complementarity.
(vii) Optimizing the scale and layout of new energy storage development in power transmission and distribution. In the key nodes of the power grid, optimize the layout of grid-side energy storage in conjunction with system operation demand, encourage the construction of independent energy storage, better play peak shifting, frequency regulation and other regulatory functions, and enhance the operational efficiency of energy storage. In remote areas and areas with tight resources for transmission and substation sites, the construction of grid-side energy storage will be rationalized, and transmission and substation facilities will be replaced in an appropriate manner.
(viii) Developing new types of user-side energy storage. Around big data centers, 5G base stations, industrial parks and other end-users, relying on the integration of the source network and storage mode to rationally allocate user-side energy storage, and improve the reliability of user power supply and the ability of distributed new energy to be consumed locally. Explore the construction of user-side energy storage facilities such as uninterruptible power supply and electric vehicles, and promote the participation of electric vehicles in power system regulation through orderly charging, vehicle-network interaction, power-switching mode and other forms, so as to tap into the flexible regulation capacity of the user side.
(ix) Promote the diversified and coordinated development of new energy storage technologies. Give full play to the technical and economic advantages of various new types of energy storage, combine the needs of different application scenarios in the power system, and select appropriate technology routes. Focusing on the requirements of high security, large capacity, low cost, long life, etc., carry out key core technology and equipment integration innovation and research, and focus on tackling long-time energy storage technology, to solve the new energy large-scale grid-connected time scale of more than one day of the system regulating demand. Explore and promote the coordinated development and optimal allocation of multiple types of new energy storage technologies, such as power storage, heat storage, cold storage, hydrogen storage, etc., to meet the application needs of energy systems in multiple scenarios.
IV. Promoting intelligent scheduling capacity building
(j) Promoting the construction of a new type of power dispatching support system. Promote the wide application of advanced digital information technology such as "cloud, big matter, mobile intelligence and chain edge" and 5G in all aspects of the power system, enhance the real-time collection, perception and processing capabilities of meteorology, weather, water conditions and state data of sources, networks, loads and storage on all sides, and realize the observability, measurability, adjustability and controllability of massive resources, and enhance the synergistic and interactive capabilities of power sources, energy storage and loads and power grids. Interaction ability.
(xi) Enhancing the coordinated scheduling capacity of large power grids across provinces and regions. Making full use of China's vast geographical area, the differences in load characteristics and new energy resources in various regions, and the characteristics of greater complementary potential, it has tapped the potential of inter-provincial and inter-regional transmission and receiving ends to regulate resources, and dynamically optimized transmission curves through flexible scheduling, so as to achieve a wider balance of power supply and demand and the consumption of new energy. Adapt to the inter-provincial power flow adjustment brought about by the significant fluctuation of new energy output, strengthen the construction of flexible grid scheduling capacity, and enhance the level of safe and stable operation of the power grid.
(xii) Improve the new dispatching and operation mechanism of distribution grids. It will promote the upgrading of distribution grid scheduling and control technology, realize dynamic sensing and precise control, promote the coordinated operation of the main grid and the distribution grid, and enhance the ability of flexible and interactive regulation. Establishing a coordinated regulation and control mechanism for source-network-load-storage at the distribution grid level, supporting the grid access of distributed new energy and user-side energy storage, electric vehicles and other adjustable resources, enhancing the resource allocation capacity of distribution grids and the level of local consumption of new energy, and guaranteeing the safe operation of power grids.
(xiii) Exploring the coordinated scheduling mechanism for multiple energy varieties and sources, networks and storage. Relying on the development mode of multi-energy complementarity, explore the joint scheduling mechanism of watershed water-wind-scenery integration bases as well as the integrated coordinated scheduling mechanism of wind-scenery, water-fire and fire-storage multi-species power sources, and improve the overall regulation performance of large-scale renewable energy bases. Promote the integration of source, network, load and storage, load aggregator and other subjects as a whole to access the public power grid and accept the unified scheduling of the grid, to achieve the synergistic optimization of the internal multi-body, reduce the regulation pressure of the power grid.
V. Strengthening market mechanisms and policy support for security
(xiv) Actively promoting the participation of various types of regulating resources in the electricity market. Clarify the independent market status of regulating resources on each side of the source, network and load, as well as of wind, light and storage joint units, load aggregators, virtual power plants and other subjects. Accelerate the construction of the electricity spot market, and support regulating resources to obtain revenues through market-oriented methods. Improve the construction of auxiliary service market, explore coal power units to obtain revenue through market-based start/stop peak adjustment, and explore the increase of auxiliary service varieties such as standby, ramping, and rotating inertia according to the operational needs of the systems around the world. In accordance with the principle of "who benefits, who bears", establish a sharing mechanism for auxiliary services with the participation of power users.
(xv) Establishing a sound price mechanism to promote the development of regulated resources. Considering the needs of the power system and the affordability of end-use electricity prices, it will implement the coal power capacity tariff mechanism and improve the price formation mechanism for energy storage. Guiding localities to further improve peak and valley time-sharing tariff policies, comprehensively considering the characteristics of system net load curve changes, dynamically optimizing the division of time slots and the proportion of upward and downward fluctuations in tariffs, and improving the level of economic incentives through the implementation of peak tariffs and other means, to guide the user side to participate in system regulation.
(p) Improve and perfect the management system. Establish and improve technical standards and management systems related to power system peaking, energy storage and intelligent dispatching. Combined with the actual development of regional power grids, improve the technical standards for new energy grid integration, formulate rules for energy storage grid integration management and scheduling specifications, and establish technical standards for virtual power plants and other subjects involved in the grid and operation and scheduling. Formulate technical standards related to the deep peaking transformation of coal power, and effectively guarantee the operational safety of deep peaking of coal power. Strengthen the network security guarantee capability of the new electric power system, and enhance the information security risk prevention of dispatching intelligence.
VI. Strengthening organizational implementation
(xvii) Improving and perfecting working mechanisms. The National Development and Reform Commission and the National Energy Administration have established a sound working mechanism to coordinate and promote the construction of the national power grid's peaking, energy storage and intelligent scheduling capabilities, strengthen the guidance and coordination of work around the country, study and resolve major problems encountered in the advancement of the work, and continue to improve the relevant policies and standard systems.
(xviii) Coordinate the development of implementation programs. The competent provincial government departments will formulate an implementation plan for the construction of peak energy storage capacity, and scientifically determine the objectives, layout and time sequence for the construction of various types of regulating resources; power grid enterprises will formulate an implementation plan for the integrated promotion of the construction of intelligent scheduling capacity for the main grid and the distribution network, and report it to the National Development and Reform Commission and the National Energy Administration.
(xix) Strengthening the assessment and implementation of implementation programs. The National Development and Reform Commission and the National Energy Administration have improved the assessment system for the peak-peaking capacity of the power system, organized relevant institutions to assess the implementation plans of various regions and power grid enterprises, and guided the relevant units to improve the implementation plans and promote their implementation on a yearly basis.
(xx) Compacting local and corporate responsibilities. Provincial government authorities to implement the local responsibility, responsible for the organization and implementation of the region's peaking, energy storage capacity building, to ensure the safe and stable supply of electricity and renewable energy in the region high-quality consumption. Energy and power enterprises to implement the main responsibility, according to the implementation of the program to do a good job of peak, energy storage project construction and operation, power grid enterprises to do a good job of peak, intelligent scheduling of energy storage resources.
PRC National Development and Reform Commission
National Energy Administration
January 27, 2024
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