Recent Developments in Energy Storage Projects (April 21-25, 2025)

Weekly Update on Energy Storage Projects (April 21 – April 25, 2025)

Recent developments have emerged in several energy storage stations. Below is a summary of the energy storage project updates released from April 21 to April 25, 2025:

New Energy Storage Station Commissioned in Xinjiang

On April 18, the 200 MW/800 MWh grid-connected energy storage station in Shache, Xinjiang successfully commissioned after completing its transformation into a “grid-structured” model. This large-scale photovoltaic supporting project previously utilized traditional “grid-following” technology, which struggled to meet the flexible regulation and active support demands of the current high-proportion renewable energy integration in the domestic grid. The recent upgrade aims for “flexible grid construction and active support,” enabling the storage station to actively stabilize grid voltage and frequency. This enhancement significantly boosts the disturbance resistance of the southern Xinjiang grid and increases its capacity to accommodate renewable energy; it provides equivalent instantaneous regulation capability of 200 MW to support stable grid connection for nearby renewable energy stations.

Guangzhou Energy Storage Project Goes Live

Recently, the Guangzhou Energy Storage (8.82 MW/17.5 MWh) project in Qingyuan held its commissioning ceremony. This project marks another milestone for the Guangzhou Energy Storage Group in the user-side energy storage market, with a total investment of 23.12 million yuan. It utilizes CATL’s 314 Ah lithium iron phosphate cells and incorporates advanced liquid cooling technology from Sungrow, along with a next-generation PCS and EMS system. The project connects to the 10kV power system of the Oupai Industrial Park through four substations, providing peak shaving and valley filling energy optimization services.

Yunnan’s New Demonstration Project

On April 22, the 200 MW/400 MWh electrochemical energy storage demonstration project in Wuding County, Yunnan officially began construction. This project will cover approximately 54.79 acres with a total investment of 1.03 billion yuan, featuring a storage capacity of 200 MW/400 MWh along with other supporting infrastructures. The construction period is set for four months, with an operational target of August 30. Utilizing advanced lithium iron phosphate technology, it is expected to achieve an annual discharge of 81,531.48 MWh and generate total sales revenue of approximately 156.97 million yuan (excluding tax).

New Storage Project in Jiangsu

The Xukang Group’s energy storage project in Feng County, Jiangsu has also commenced construction. This marks the third new energy storage project by Xukang Group following the Taicheng and Sui Ning energy storage projects. The 50 MW/100 MWh project will utilize lithium iron phosphate battery technology and includes 12 energy storage systems along with a 110kV boosting station. Each system operates as an independent unit equipped with a PCS integration device and two battery cabinets, connected to the boosting station via 35kV collection lines, enabling independent participation in grid frequency regulation and peak shaving auxiliary services.

Construction of a New Energy Storage Project in Xinjiang

On April 16, the 200 MW/800 MWh grid-structured energy storage project in Altay, Xinjiang broke ground, with a total investment of 800 million yuan. Once completed, this project will alleviate regional grid load pressure, enhance peak shaving capabilities, and play a vital role in smoothing renewable energy output and reducing wind and solar curtailment rates. It aims to promote clean energy consumption and facilitate the development of the energy storage industry.

Zhejiang’s Distributed Energy Storage Project Commences Operation

The user-side distributed energy storage project by Zhejiang Mineng Technology Co., Ltd. was officially connected to the grid on March 31. This project boasts a capacity of 4.3 MW/9.245 MWh, located in the Huzhou Anji High Energy Consumption Industrial Park. By utilizing an advanced lithium battery storage system developed in-house, it effectively manages peak shaving, demand management, and emergency backup functions. Following its connection to the grid, the project has helped save users significant electricity costs while alleviating peak load pressure on the local grid.

Integration Project in Akto County

On April 13, the groundbreaking ceremony for a 500 MW solar-storage integration project took place in Akto County. This project, with a total investment of 1.8 billion yuan, includes a 500 MW photovoltaic installation and a 50,000 kW/2-hour chemical energy storage station, along with supporting facilities. Upon completion, it will significantly enhance local power supply capabilities and support Xinjiang’s role in the “West-to-East Power Transmission” strategy.

Hebei Announces First Batch of Wind and Solar Projects

On April 22, Hebei province announced the first batch of proposed projects for its 2025 wind and solar power development plan, totaling 4.48 GW across 50 projects. This includes 27 wind projects with a total capacity of 2.76 GW and 23 solar projects totaling 1.72 GW, all scheduled for grid connection by the end of June 2028. If all projects are configured with 20% and 4-hour storage capacity, the total storage demand could reach 896 MW/3584 MWh.

Inner Mongolia’s Shared Storage Project Announced

On April 22, the proposed 200 MW/400 MWh independent shared storage project by Guotian Energy in Inner Mongolia was announced, with a total investment of 40 million yuan, translating to a price of 1 yuan/Wh.

Qinghai’s First Independent Storage Project Breaks Ground

On April 21, Qinghai Fengzhou Energy Construction Co., Ltd. held a groundbreaking ceremony for the 100 MW/200 MWh independent energy storage project in Xining. The project, with an estimated investment of 420 million yuan, was officially signed in January, completed project registration in the same month, and began construction in April, achieving rapid progress. The energy storage station will cover 33 acres and include a 110kV boosting station, central control room, and distribution room.

New Storage Project in Sichuan

On April 23, a new agreement was signed between Jinfeng Zero Carbon and Jiuzhaigou, Sichuan for a 100 MW/400 MWh energy storage project with a total investment of 460 million yuan. Utilizing lithium-ion battery technology, this project will be built in the Jiuzhaigou area, expected to provide over 200 million kWh of peak regulation annually, reducing carbon emissions by 180,000 tons. Upon completion, it will effectively address the surplus and shortage of hydropower resources and provide stable energy support for tourism and green industry initiatives.

Three Gorges Energy’s Storage Project in Qinghai

On April 22, the 100 MW/200 MWh energy storage EPC project by Three Gorges Energy in Golmud, Qinghai was fully connected to the grid. The project, situated at an average altitude of 3,000 meters, supports the “Qingyu DC” transmission project, which aims to facilitate clean energy transmission. The energy storage park, composed of 60 container-like PCS and battery warehouses, can deliver a stable discharge of 100,000 kWh per hour, enhancing the local grid’s capacity to manage renewable energy.

Investment in User-Side Storage Project

On April 25, Tianyuan Co., Ltd. announced the approval to invest in a 60 MW/120 MWh user-side energy storage project. Building on the success of its initial 40 MW/80 MWh project, the new phase will expand the total storage capacity to 100 MW/200 MWh, further strengthening the grid’s frequency regulation capabilities. The construction period is estimated at six months, with first-year revenues projected to reach several million yuan.

Successful Launch of Energy Storage Project in Guangdong

Recently, the Yingke Shuneng commercial energy storage project in Foshan, Guangdong was officially commissioned, featuring a capacity of 2.4 MW/5.16 MWh. It is expected to generate significant revenue in its first year, with a promising rate of return. Additionally, the project utilizes a digital twin technology-based energy management platform to enable real-time interaction with the virtual grid, participating in demand response and auxiliary services, as well as engaging in electricity spot trading.

New Storage Project in Jiangsu

On April 24, the user-side energy storage project constructed by GCL Energy Technology Co., Ltd. for Top Hardware Products in Zhangjiagang was connected to the grid. The project has a scale of 1 MW/2.33 MWh, employing cabinet-type storage devices with lithium iron phosphate cells and liquid cooling technology, providing advantages such as long operational life and high safety performance. Using a “dual charge and discharge” mode, it can provide approximately 1.1 million kWh of low-cost electricity annually.

First Energy Storage Project in Hengshui

Recently, the 7 MW/15 MWh commercial energy storage project by Jingkong Energy in Hengshui, Hebei was fully connected to the grid, becoming the first commercial demonstration project in the area. As a leading provider of smart energy system solutions, Jingkong Energy offers a replicable technical model for building a new power system in the industrial sector through a “distributed energy storage + microgrid” collaborative operation system.