One week energy storage information: industry hot spot tracking!
Release time:
2024-11-01
Source:
The National Development and Reform Commission, the Ministry of Industry and Information Technology, the Ministry of Housing and Urban-Rural Development, the Ministry of Transport, the National Energy Administration, and the National Data Administration jointly issued the ''Guiding Opinions on Vigorously Implementing Renewable Energy Substitution Actions》。(1October 24)
The document points out the overall requirements that positive progress has been made in renewable energy substitution in key areas of the 14th five-year Plan, and the national renewable energy consumption will reach more than 1.1 billion tons of standard coal in 2025. The production and lifestyle of giving priority to the use of renewable energy in various fields during the "Fifteenth Five-Year Plan" has basically formed. In 2030, the national renewable energy consumption will reach more than 1.5 billion tons of standard coal.
The document also mentions that,
Promote the application of new technologies such as network-type new energy and long-time scale power prediction.Energy storage can help new energy to achieve the network-type function, but also help new energy to improve the output curve and forecast curve matching, is an important boost to the development of renewable energy.
Develop distributed renewable energy nearby, improve the flexibility and carrying capacity of distribution network, and support the rapid development of distributed renewable energy.The development of distributed energy such as distributed photovoltaic has brought great pressure to the distribution network. At present, there are a number of regions, put forward the requirements of distributed photovoltaic energy storage. The integration of light storage is expected to develop.
Encourage demand response entities with charge and discharge capacity to participate in the electricity market..Support qualified regions to guide power users to adjust their electricity consumption behavior by implementing peak electricity prices and widening the price limit range of the in stock market. The widening of the electricity price difference is conducive to improving the economy of user-side energy storage. Demand response and other resources to participate in the power market, but also conducive to the user side energy storage to enrich its profit model.
Strengthen the new energy storage technology research and multi-scene application.Promote long-term heat storage type power generation, thermoelectric coupling, medium and high temperature heat utilization and other photothermal applications; Industrial parks, large production enterprises and other surrounding areas to carry out new energy source, network, load and storage integration projects; Promote the integrated development of 5G base stations, data centers, supercomputing centers, photovoltaic, heat pump, energy storage, etc. Support the development of new infrastructure green power direct supply, source network, load and storage integration projects; Explore the development of optical storage integration pilot. The application scenarios of energy storage will continue to be enriched, and the application space of energy storage will also be expanded.
Promote the equitable participation of renewable energy generation or integrated utilization systems capable of providing ancillary services in the ancillary services market. Establish and improve the energy storage price mechanism.Renewable energy sources that do not have the ability to regulate participate in the ancillary services market. This puts forward higher requirements for the flexibility of renewable energy power generation. The application of energy storage is conducive to making up for the lack of renewable energy regulation capacity. In the future, research and exploration on the integrated application of renewable energy and energy storage may usher in a certain development. The establishment and improvement of the value mechanism of energy storage is directly related to the development of energy storage.
The National Energy Administration issued a notice on improving the security capabilities of new energy and new grid-connected entities to serve the high-quality development of new power systems.(October 29)
The notice states:Promote the grid-connected subject-friendly grid-connected.The owners (units) of new energy and new grid-connected entities shall organize and implement the construction of engineering projects in accordance with the requirements of "Guidelines for Safety and Stability of Power System" (GB 38755-2019), "Technical Guidelines for Network and Source Coordination of Power System" (GB/T 40594-2021) and national and industrial standards related to wind power, photovoltaic and energy storage, so as to ensure that the configuration of secondary systems such as relay protection, safety and stability control devices and communication equipment meet the requirements, avoid "getting sick". Among them, the centralized new energy of remote collection (large base, etc.) should have the support capacity of rapid voltage regulation, suppression of broadband oscillation, etc., and if necessary, configure the camera and other devices to prevent large-scale off-grid.
Henan Provincial Development and Reform Commission issued a request"Henan Province new energy with energy storage into independent energy storage management measures (draft for comments)" opinion letter.(October 24)
According to the draft of the management measures, the energy storage facilities for wind power and photovoltaic power generation projects included in the annual development plan of new energy in Henan Province, that is, new energy allocation and energy storage, can be applied to the municipal energy department for conversion to independent energy storage in accordance with the principle of voluntariness.
Power grid enterprises should follow the principle of "turning as much as possible"Simplify the process and speed up the procedures related to the transfer of construction to independent projects.
After the new energy distribution energy storage is converted to independent energy storage, it will be managed in accordance with the relevant provisions of the independent energy storage project in Henan Province,Enjoy the price policy of independent energy storage projects in Henan Province, and charge and discharge costs are settled by power grid enterprises.
At the same time, the draft management measures also pointed out:This method is applicable to the construction of energy storage that has been put into operation and under construction. In principle, the construction of energy storage without construction shall be carried out by leasing independent energy storage or directly in accordance with the independent energy storage mode. The allocation of energy storage that has received provincial financial incentive funds involves the integration of multi-energy complementary and source network storage, and these Measures shall not be implemented for the time being.
The draft of the management measures for comments has made detailed provisions on the technical conditions and standards for the conversion of energy storage to independent energy storage. For example, it is necessary to have an independent power metering device, an independent automatic power generation control (AGC) function, perfect fire alarm and other measures, and complete type test and commissioning test of the whole station before grid connection.
In addition, the land, environmental protection, fire protection, safety, water and soil conservation and other procedures obtained before the transfer of independence are still valid. After the project has passed the acceptance and announcement, it will re-sign the grid-connected dispatching agreement, purchase and sale of electricity contract with the power grid enterprise, etc., and timely establish a file in the marketing department of the power grid enterprise and handle the relevant procedures such as market access in the power trading institution.
On October 21, the Gansu Provincial Department of Industry and Information Technology solicited opinions on the "Implementation Plan for the Construction and Operation Management of Virtual Power Plants in Gansu Province (Draft for Solicitation of Comments). According to the category of aggregated resources of virtual power plant operators, it can be divided into "power type", "load type" and "hybrid type". Among them, the aggregated resources of the "load-type" virtual power plant operator are only adjustable loads, including tower base stations, charging and switching facilities,User-side energy storage, etc., the external overall electricity characteristics.
For "load-type" virtual power plant operators, the type of market transactions that can be participated in is the same as the power selling company or the wholesale power user.
The document clarifies the criteria for voluntary and compulsory delisting,In the process of operation monitoring of virtual power plant operators, if the actual operation fails to meet the relevant standards continuously, rectification shall be made within a time limit.
In addition, for those who fail to complete the rectification on schedule, after investigation and confirmation by the provincial electric power company and the electric power trading institution, and after reporting the relevant situation to the Provincial Department of Industry and Information Technology, the electric power trading institution shall publicize it to the public through the electric power trading platform, "Credit China" and other government-designated websites. The publicity period is 10 working days, and if there is no objection at the expiration of the publicity period, the virtual power trading qualification, the virtual power plant operator shall be canceled, and report shall be reported to the provincial office.
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The interpretation document mentions the necessity of establishing and perfecting a new type of energy storage to participate in the power market: the new type of energy storage can not only solve the problems of new energy consumption and volatility, but also have the functions of smooth transition, peak cutting and valley filling, frequency modulation and voltage regulation, which can greatly improve the security and stability of the power system and is an indispensable part of building a new power system.In order to promote the healthy development of new energy storage, it is urgent to establish a new energy storage business operation mode, improve the power market system and mechanism in line with the characteristics of the new energy storage, and promote the new energy storage to gradually enter the market to participate in trading.
On October 22, the Anhui Provincial Energy Bureau solicited opinions on the "Guidelines for Electrochemical Energy Storage Technology on the User Side of Anhui Province (Draft for Comments). This document is mainly applicable to the user-side energy storage facilities with voltage level of 35 kV and below, and the user-side energy storage facilities with voltage level of 35 kV and above are implemented for reference.
The document clearly states that the energy storage converter shall meet the requirements of GB/T 34120. When the energy storage converter operates at rated power, the DC component in the AC measured current of the energy storage converter shall not exceed 0.5% of its rated output current.
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