Key Highlights in the New Energy Storage Sector from March 31 to April 2, 2025

March 31 – April 2, 2025 | Highlights in the New Energy Storage Sector

Strategic Collaborations and Capacity Development

1. Sinopec Partners with CATL to Build a Battery Swap Network
   Date: April 2, 2025
   Content: Sinopec and CATL have signed a framework agreement for industrial and capital cooperation, aiming to establish at least 500 battery swap stations by 2025, with a future target of 10,000 stations. The partnership will integrate Sinopec’s national refueling station network with CATL’s battery technology, creating a smart energy microgrid for “solar storage, charging, swapping, and inspection” to enhance the ecosystem for new energy vehicles.
2. Wärtsilä’s Energy Storage Business Operates Independently
   Date: April 1, 2025
   Content: Finnish energy giant Wärtsilä has announced the spin-off of its energy storage business to form a dedicated battery storage division, targeting a double-digit annual growth rate and a profit margin of 3-5%. This new division will focus on developing battery storage systems and delivering global projects, with its first major project being the 700MW/2800MWh Eraring storage project in Australia, expected to be operational by 2027.
3. China State Construction Science and Technology’s Digital Energy Factory Commences Production
   Date: April 2, 2025
   Content: The Shenzhen Digital Energy Factory of China State Construction Science and Technology has officially commenced production, with an annual design capacity of 50,000 charging piles and 10,000 energy storage cabinets. The factory employs a “one-click type-switching” flexible production line, allowing for product category changes within 15 minutes, resulting in a 40% increase in production efficiency.

Technological Innovations and Project Breakthroughs

1. Launch of China’s First Hybrid Network Energy Storage Project
   Date: March 31, 2025
   Content: The National Energy Group’s Ningxia Electric Power has officially launched a hybrid energy storage demonstration project combining lithium batteries and supercapacitors. The project utilizes a mixed solution of 10MW/20MWh lithium iron phosphate, 1MW/5min supercapacitors, and 200kW/400kWh sodium-ion batteries, enhancing grid stability and extending system lifespan through intelligent control algorithms.
2. China Power Engineering Consulting Group’s Compressed Air Energy Storage Patent
   Date: April 1, 2025
   Content: The Northwest Electric Power Design Institute of China Power Engineering Consulting Group has applied for a patent on a “compressed air energy storage system with a shared heat exchanger,” significantly reducing the heat exchanger area required by utilizing molten salt and pressurized water for thermal energy storage.
3. Huadian Science and Technology’s Gravity Energy Storage System Patent
   Date: April 1, 2025
   Content: Huadian Science and Technology Co., Ltd. has applied for a patent for a “vertical lifting gravity energy storage system,” which utilizes mountain shafts and tunnel projects for vertical energy storage without harming the natural environment. This technology offers new solutions for distributed energy storage in mountainous areas.

Market Trends and Policy Directions

1. Launch of 600MW/1200MWh Energy Storage System Procurement in Anhui
   Date: April 1, 2025
   Content: Changxia Electric Power (Anhui) Co., Ltd. has initiated a centralized procurement process for a 600MW/1200MWh energy storage system, aiming to select three qualified suppliers. Bidders must have a track record of supplying over 5GWh of energy storage systems and utilize 1500V high-voltage liquid cooling technology, with delivery planned by the end of 2025.
2. EU Accelerates Energy Storage Subsidy Policy
   Date: March 31, 2025
   Content: The European Commission has announced an investment subsidy of up to 30% for newly constructed independent energy storage facilities, focusing on long-duration energy storage technology development. This policy is expected to leverage over €5 billion in private investment over the next five years, encouraging a 20% annual increase in energy storage installations across Europe.

Industry Trends and International Cooperation

1. Global Energy Storage Market Experiences Rapid Growth
   Date: March 31, 2025
   Content: According to a BNEF report, the global energy storage capacity added in 2024 is expected to reach 69GW/169GWh, reflecting a 76% year-on-year increase, with an average annual growth rate projected at 21.2% until 2030. Chinese companies, such as Sungrow and BYD, have made significant strides in the Middle Eastern market, securing multiple GW-level energy storage orders and accelerating the transition to renewable energy in the region.
2. Tesla’s Shanghai Factory Begins Global Deliveries
   Date: March 31, 2025
   Content: The first batch of Megapack energy storage systems from Tesla’s Shanghai factory has been exported to Australia, marking the factory’s entry into the global delivery phase. The factory has an annual production capacity planned at 40GWh, capable of meeting the annual electricity needs of 10 million households. With a surge in global energy storage demand, Tesla anticipates over 50% growth in its storage business in 2025, with the Shanghai factory playing a crucial role in supplying the Asia-Pacific region and the domestic market.

Industry Data and Standard Development

1. China’s New Energy Storage Capacity Represents Over 56% of Global Total
   Date: March 31, 2025
   Content: Data from Polaris Power Network indicates that China’s new energy storage capacity reached 41.54GW/107.13GWh in 2024, accounting for 56.83% of the global total. Notably, projects exceeding 100MW represent 65% of the total, with an average operating hour of 1,649 hours, marking a 45% increase from 2023.
2. Implementation of Local Standards for Sodium-Ion Batteries
   Date: March 31, 2025
   Content: Shandong Province has officially implemented the country’s first local standards for sodium-ion battery energy storage, specifying safety, performance, and grid connection requirements for 200MW/400MWh scale power stations. This standard will enhance equipment quality and technical specifications, promoting the application of sodium batteries in extremely cold regions.

Safety Management and Policy Support

1. National Energy Administration Strengthens Safety Oversight of Electrochemical Energy Storage
   Date: March 31, 2025
   Content: The National Energy Administration has released the “2025 Key Tasks for Power Safety Regulation,” emphasizing the need to enhance the safety management of the entire lifecycle of electrochemical energy storage and to draft safety regulatory guidelines.
2. Inner Mongolia Innovates Energy Storage Compensation Mechanism
   Date: March 31, 2025
   Content: Inner Mongolia has issued a notification to accelerate the construction of new energy storage, introducing a capacity compensation standard of 0.35 yuan/kWh (the highest in the country) with a 10-year compensation period. Independent energy storage stations can participate in the electricity market with dual identities, with charging and discharging prices determined by the market.

Technical Routes and Project Implementation

1. Yunnan Wenshan’s Networked Lithium-Sodium Hybrid Energy Storage Connection
   Date: March 31, 2025
   Content: The 200MW/400MWh networked lithium-sodium hybrid energy storage station in Qiaobei, Wenshan, Yunnan, has been fully connected to the grid, utilizing a technology route of 180MW/360MWh lithium batteries and 20MW/40MWh sodium batteries to enhance grid stability.
2. Shanxi Datong 400MW/800MWh Energy Storage Project Commences Construction
   Date: March 31, 2025
   Content: The 400MW/800MWh independent shared energy storage project in Xinrong Hebang, Datong, Shanxi, has officially broken ground, employing a 1500V high-voltage liquid cooling system and covering an area of 120 acres. Once completed, the project will enhance the peak regulation capacity of the North China grid.

International Market and Cooperation Dynamics

1. Mexico Implements 30% Storage Requirement Policy
   Date: March 31, 2025
   Content: The Mexican government has mandated that new photovoltaic projects must include 30% energy storage capacity, expected to drive storage demand beyond 1.5GW in 2025. Chinese companies such as Sungrow and CATL have initiated localized collaborations to capture market opportunities in Latin America.
2. UK Innovates Long-Duration Energy Storage Pricing Mechanism
   Date: March 31, 2025
   Content: Ofgem has announced a “price cap – floor” pricing mechanism for long-duration energy storage, providing revenue protection for projects exceeding 8 hours of storage. This policy is anticipated to attract over £2 billion in investment over the next five years, promoting the large-scale application of technologies such as compressed air and flow batteries.

Industry Competition and Cost Trends

1. Energy Storage System Quotes Drop Below 0.4 Yuan/Wh
   Date: March 31, 2025
   Content: A procurement announcement from Xin Fengguang Electronics Technology Co., Ltd. indicates that 15 companies have qualified, with 70% of system quotes below 0.4 yuan/Wh and battery cell procurement prices as low as 0.26 yuan/Wh. Companies like CRRC Zhuzhou and Penghui Energy are driving down storage system costs through technological optimization and large-scale production.
2. Aluminum Industry Policy Drives Storage Material Upgrades
   Date: March 31, 2025
   Content: The Ministry of Industry and Information Technology and other departments have released the “Implementation Plan for High-Quality Development of the Aluminum Industry (2025-2027),” emphasizing the development of high-end aluminum materials for electric vehicles and energy storage. This policy will promote technological innovation in aluminum-based energy storage materials, enhancing the safety and lightweight characteristics of energy storage systems.