Yongkang City: Targeting key links and steadily promoting the implementation of energy storage projects

On January 8, 2024, the Yongkang Municipal Development and Reform Bureau issued the "Yongkang New Energy Development Plan (2023-2025)", which mentioned:

Key tasks

(II) Targeting key links and steadily promoting the implementation of energy storage projects

Promote the large-scale development of new energy storage projects. Investigate the load and energy storage needs of key energy-consuming units in the city, focus on analyzing the energy consumption of the two major industrial platforms of Yongkang Economic Development Zone and Agricultural Equipment High-tech Zone, and promote industrial and commercial enterprises and industrial parks to configure new user-side energy storage under the premise of safety and reliability, and guide the flexible development of user-side energy storage. By 2025, promote more than 150 enterprises to formulate industrial and commercial user-side energy storage solution designs, and the scale of user-side energy storage will exceed 100MW/200MWh. Encourage new energy power stations to configure power supply-side energy storage, and by 2025, the power supply-side energy storage will reach 5MW/10MWh. Promote the reasonable configuration of grid-side energy storage. According to the current status and planning of Yongkang's power grid construction, scientifically configure new energy storage in grid hub sites and key node areas where large-scale new energy is gathered, distributed photovoltaics are concentratedly developed, peak and frequency regulation is difficult, and voltage support capacity is insufficient. Actively promote the construction of user-side distributed energy storage facilities such as uninterruptible power supplies and charging and swapping facilities. In conjunction with the promotion of new energy vehicles and charging infrastructure construction in Yongkang City, introduce encouraging and supporting policies, explore and promote the application of two-way interactive intelligent charging and discharging technology for electric vehicles, and enhance users' flexible adjustment capabilities and intelligent and efficient electricity use levels.

Promote the preliminary work of pumped-storage power stations. Carry out the planning and development of pumped-storage power stations in an orderly manner, carry out a resource survey and project reserve of pumped-storage power stations throughout the city, comprehensively consider major restrictive factors, construction necessity, engineering construction conditions, reasonable capacity scale, reasonable project layout and other factors, and select and plan several pumped-storage power stations with superior construction conditions such as terrain conditions, engineering geology, hydrology and sediment, and reasonable key economic indicators to carry out preliminary research. Accelerate the preliminary work of the pumped-storage project in the Dahanshan block of Huajie Town, do a good job in site protection, and strive to include it in the superior plan in the 14th Five-Year Plan.

Column 3-3 Huajie Town Dahanshan Block Pumped Storage Project

1. Site Overview

Huajie Station is located in Huajie Town, northwest of Yongkang City, Jinhua City, about 21km away from Yongkang City, about 30km away from Jinhua City, 135km away from Hangzhou City, and 138km away from Wenzhou City. According to preliminary investigation, Huajie Station does not involve the ecological protection red line, and no other environmental constraints have been found. From the perspective of water energy parameters, the average gross head of Huajie Station is 470m, and the height-to-height ratio is 6.5, which is relatively moderate, but the upper reservoir is not in good condition, and the dam height is relatively high (about 132m) under natural terrain conditions.

2. The next step of the site preparation work

1. Further review and check the environmental sensitive factors of Huajie Station based on the latest version of ecological protection red lines, nature reserves, scenic spots and other vector data in the vicinity of the station site;

2. Seize policy opportunities, keep a close eye on the mid-term adjustment of the national pumped storage "14th Five-Year Plan", actively connect with the Provincial Energy Bureau, and strive to include the site in the superior plan;

3. Establish a special team composed of units such as development and reform, resources and planning, environmental protection, and local competent departments to strengthen coordination and jointly promote the preliminary work of the project.

Support the research and development of core energy storage technologies and talent cultivation. Relying on the "unveiling the list and taking charge" and "horse racing" systems, give full play to the advantages of Yongkang's battery industry chain, and make good connections with the "Current Situation and Development Plan of Zhejiang Yongkang's Advanced Battery Industry". Continue to strengthen cooperation with colleges and universities, research institutes, and energy central enterprises such as China Energy Construction and State Power Investment Corporation, promote the research and development of key core technologies such as lithium-ion batteries, flow batteries, compressed air, and hydrogen storage, carry out research on energy storage equipment and integrated optimization design, and actively track the development and reserve of new generation high energy density energy storage technologies such as liquid metal batteries, solid-state lithium-ion batteries, and metal air batteries. Strengthen the cultivation of innovative energy storage talents, and cultivate a group of professional, practical, and composite energy storage professionals through the implementation of major scientific and technological projects and key research and development plans. Support colleges and universities, research institutes, industrial alliances, and leading backbone enterprises to carry out industry-university-research cooperation, establish innovative talent training bases and new talent training mechanisms, and provide high-end talent guarantees for energy storage technology research and development and project development and construction.

Innovate the construction and operation model of energy storage projects. Carry out diversified applications of new energy storage, combine different forms of energy demand, promote the construction of new energy storage projects such as long-term electric energy storage, hydrogen energy storage, and heat (cold) energy storage, and expand the energy storage application market. Promote the shared energy storage model, encourage new energy power stations to configure energy storage in a market-oriented manner such as self-construction, leasing or purchasing, and give play to the sharing role of energy storage "one station for multiple uses". Support various entities to carry out application demonstrations of innovative business models such as shared energy storage and cloud energy storage, and cooperate in the development of large-scale independent energy storage projects through project cooperation, equity cooperation, technical cooperation, and signing of strategic agreements.

(IV) Innovate promotion measures and improve the charging infrastructure network system

Promote the construction of public charging infrastructure. According to the unified deployment of Zhejiang Province and Jinhua City, implement and continue the "Plan for Public Charging Infrastructure Networks in Yongkang City (2023-2025)". Set up a special working group for charging infrastructure construction to coordinate and promote the city's new energy vehicles going to the countryside. Select construction and operation entities, and encourage various entities such as municipal state-owned enterprises and private enterprises of charging facilities to participate in the construction and operation of public charging infrastructure. Make full use of the provincial new energy vehicle promotion and application funds, and focus on ensuring the construction and operation of rural public charging infrastructure. Timely introduce Yongkang City's supporting financial subsidy policies to provide subsidies for charging infrastructure site rent, construction costs, and operating costs. Comprehensively promote the connection between rural distribution network planning and rural charging facility planning, appropriately reserve high-voltage and high-power charging capacity in advance, meet the construction needs of rural public and private charging facilities, and reasonably guarantee the construction land for charging facilities and supporting power grids and corridor space resources. By 2025, Yongkang City will have built a total of 190 public charging stations and 1,098 charging piles (1,640 charging piles). Among them, there are 1,146 public charging piles in urban areas and 494 public charging piles in rural areas.

Column 3-4 Construction of Yongkang City’s public charging infrastructure network system

1. Planning of the layout of public charging infrastructure in urban areas

Charging facilities in urban areas are mainly deployed in public parking lots and gas stations. The radiation radius of charging piles is about 30 kilometers. Taking into account factors such as traffic flow around parking lots, access conditions, site size, electrical wiring, etc., it is planned to build 43 new charging stations and 342 charging piles (568 charging piles), including 469 DC charging piles and 99 AC charging piles. Special charging piles will be built according to the charging needs of sanitation vehicles.

2. Layout planning of public charging infrastructure in rural areas

Charging facilities in rural areas are mainly laid out in public parking lots and available open spaces such as village squares, cultural halls, and supermarkets. The radiation radius of charging piles is about 30 kilometers. Taking into account factors such as the main travel routes for villagers, site size, and electrical wiring, it is planned to build 70 charging stations and 203 charging piles (373 charging piles), including 341 DC charging piles and 32 AC charging piles.