Chinese Energy Storage Companies Secure Over 20GWh in International Orders

Since May 2025, the Chinese energy storage industry has celebrated significant achievements. According to incomplete statistics from TrendForce’s EnergyTrend, leading companies such as Chuneng New Energy and CATL have accelerated the signing of long-term supply agreements, solidifying their core supply chains and enhancing technological collaboration. Additionally, several firms, including BYD Energy, SunPower, and Honeycomb Energy, have secured substantial overseas orders, with total signed project capacity exceeding 20 GWh, covering key regions in Europe, the Americas, and Oceania. The Chinese energy storage supply chain is transitioning from “local manufacturing” to “global empowerment,” deeply integrating into the global energy transformation wave.

Chuneng New Energy and Jiangsu Ruidefeng: Supply Chain Integration and Joint Research

On May 20, Chuneng New Energy signed a strategic cooperation agreement with Jiangsu Ruidefeng. Under this agreement, Chuneng will procure approximately 250 million structural components from Jiangsu Ruidefeng over the next five years, with a total procurement value of around 3 billion yuan. These structural components are crucial for the physical support of lithium batteries, directly influencing their safety, energy density, and cost efficiency. This collaboration not only meets Chuneng’s demand for large-scale production but also establishes a joint research team to focus on the development and mass production of high-energy-density batteries and ultra-fast charging technologies. This initiative highlights Chuneng’s strategy of vertically integrating its supply chain to accelerate the commercialization of next-generation battery technologies, addressing the urgent demand for high-performance batteries in the electric vehicle and energy storage markets.

CATL and Wanrun New Energy: Locking in Cost Advantages for Lithium Iron Phosphate

On May 19, Wanrun New Energy announced a partnership with CATL. The agreement outlines that, from May 2025 to 2030, Wanrun is expected to supply approximately 1.323 million tons of lithium iron phosphate products to CATL. Additionally, CATL commits to purchasing no less than 80% of the agreed quantity each month, assuming comprehensive advantages of Wanrun’s products. Both parties will also work together to advance the iterative upgrade and mass production of high-voltage, high-density lithium iron phosphate products and jointly explore the new energy market. Lithium iron phosphate (LFP) has become the mainstream cathode material for power and energy storage batteries due to its low cost and high safety. As a leading global battery manufacturer, CATL aims to stabilize its supply chain by securing upstream core materials, leveraging economies of scale to further reduce costs and reinforce its market share.

The trend of long-term contracts for lithium iron phosphate continues, with other leading companies also actively securing long-term supplies. On May 9, Longpan Technology announced that from 2025 to 2029, it would supply a total of 150,000 tons of lithium iron phosphate cathode materials to three subsidiaries of Chuneng New Energy, with an estimated total sales amount exceeding 5 billion yuan. Earlier, on April 14, Fengyuan Co. disclosed that its wholly-owned subsidiary, Shandong Fengyuan Lithium Energy, signed a cooperation framework agreement with Huizhou BYD Battery Co., Ltd., agreeing to supply lithium iron phosphate cathode materials from April 1, 2025, to March 31, 2028, with BYD prioritizing procurement under equivalent business conditions.

Through strategic contracts, technological collaboration, and long-term material supply agreements, Chinese energy storage companies are rapidly building a competitive advantage system focused on stable supply, technological breakthroughs, and cost control, injecting strong momentum into the high-quality development of the new energy industry.

Overseas Orders Surge as Chinese Energy Storage Companies Expand Globally

As they work to secure core supply chains and enhance their cost and technological advantages, Chinese energy storage companies are keenly aware of the vast opportunities in international markets, directing their strategic focus toward global markets. In May 2025, Chinese energy storage companies amassed numerous overseas orders spanning key markets in Europe, the Americas, and Oceania, covering various cooperative models such as energy storage system integration, battery supply, and joint project development. This marks a new phase of deep participation and comprehensive output of the Chinese energy storage industry on the global stage.

BYD Energy and Grenergy Sign a 3.5 GWh Storage Agreement

Recently, BYD reached a significant cooperation agreement with Grenergy to supply a 3.5 GWh energy storage system for Grenergy’s sixth phase of the Atacama Oasis project in northern Chile. Previously, BYD had provided 3 GWh of energy storage systems for the first three phases of the project, bringing the total cooperation volume to 6.5 GWh, setting a new record for energy storage supply in Latin America. According to the agreement, BYD will equip the Elena Solar Storage Station with 624 MC Cube-T BESS systems, utilizing CTS’s super-integrated technology and modular safety design to deliver high-integrated and reliable energy storage solutions for the project.

SunPower Secures a 1 GWh Storage Order in Chile

Recently, SunPower signed an agreement with Spanish renewable energy developer Zelestra to provide a 1 GWh energy storage project for the Aurora hybrid power project in the Tarapacá region of Chile. This project will utilize SunPower’s PowerTitan 2.0 liquid-cooled battery energy storage system and PCS, along with a 220 MW DC photovoltaic power station equipped with SunPower’s 1+X modular inverter (8.8 MW modular design). Through this cooperation, SunPower aims to further promote renewable energy storage development in South America while enhancing its competitiveness in the global energy storage system integration market.

Chuneng New Energy Signs a 2.5 GWh Storage Agreement with UK Company

On May 7, Chuneng New Energy signed a strategic cooperation agreement with UK energy developer Immersa to advance energy storage projects ranging from 1.25 GWh to 2.5 GWh over the next five years. The core product of their collaboration will be Chuneng’s independently developed 5 MWh battery prefab CORNET M5, which features high integration and convenient installation, making it ideally suited for large European power plants and commercial energy storage scenarios. This partnership not only enhances Chuneng’s brand influence in the European market but also lays the groundwork for its global energy storage business expansion through technology output.

Shuneng Electric and Europower Sign a 750 MW Storage Agreement

At the 2025 Intersolar Europe exhibition, Shuneng Electric signed a framework supply agreement for 750 MW of energy storage products with Turkish new energy company Europower, further solidifying its market presence in Turkey and the Eurasian region. The two companies will leverage their complementary advantages in product development and channel resources to inject strong momentum into the low-carbon transition and sustainable development of the Eurasian region with high-quality energy storage products.

Inspur Technology Partners with China Storage Technology and Genaspi Energy for the Bundey Project

On May 13, China Storage Technology, Inspur Technology, and Australia’s Genaspi Energy signed a strategic cooperation agreement in Suzhou, focusing on the Bundey project, the largest energy storage facility in the southern hemisphere (1.2 GW/3.9 GWh). They will jointly submit core technology scheme certifications to the Australian national grid, marking a significant step forward for the project. In this collaboration, China Storage Technology will provide full lifecycle energy storage system integration, Inspur Technology will lead the research and development of core equipment and energy efficiency optimization, and Genaspi Energy will utilize local resources to facilitate project implementation. This partnership represents a crucial breakthrough in the new energy sector between China and Australia, driving global energy transformation.

Honeycomb Energy Secures Over 2 GWh in Orders

Honeycomb Energy has signed multiple international cooperation agreements, covering a total storage project capacity exceeding 2 GWh. Among these, Honeycomb entered into a partnership with an Indian company for a large-scale storage project of 769 MWh, collaborated with an exclusive distributor in Eastern Europe on a 450 MWh large storage project, and initiated a 700 MWh large storage and commercial storage project with a German innovative developer. Additionally, Honeycomb Energy signed a memorandum of understanding for strategic cooperation with HeWave Electric to jointly explore markets in Europe, Southeast Asia, the Middle East, and the Americas.

Desay Battery Deploys 4 GWh Storage in the Middle East

At The Smarter E Europe exhibition, Desay Battery signed a strategic cooperation framework agreement with Germany’s DOS Primrenergie Sonne GmbH to strategically deploy 4 GWh of energy storage stations in the Middle East. Furthermore, Desay Battery announced plans to collaborate with Letho on 200 MWh of energy storage frequency modulation markets in Finland and Northern Europe. Desay Battery also signed a framework procurement agreement for commercial energy storage systems with Turkish investors and construction companies, planning to supply 200 sets of its independently developed 215 kWh integrated commercial energy storage systems, with delivery expected by the end of 2026.

Shihang New Energy Signs Over 1000 MWh Storage Agreements with Leading European Energy Companies

The day after the Intersolar Europe 2025 exhibition, Shihang launched the world’s first direct cooling medium and small commercial energy storage system, PowerMagic Mini. This product garnered significant industry attention due to its technological innovation and precise positioning, leading Shihang to sign agreements for over 1000 MWh of PowerMagic series cooperation with several leading European energy companies.

Yingke Data Secures Multiple Storage Orders Across Europe

Yingke Data secured more than 1.3 GWh in intent orders at The Smarter E Europe event, with projects spanning Germany, France, Switzerland, and Romania, further highlighting its strong competitiveness in the European energy storage market.

Sig Energy Signs a 1.2 GWh Modular Storage Agreement

During the Intersolar Europe 2025 exhibition, Sig Energy reported multiple contract signings, accumulating over 1.2 GWh in energy storage agreements, with collaborative efforts spanning Finland, Denmark, the Netherlands, and other countries. Among these, a 1 GWh framework cooperation agreement was signed with Aprilice, the largest solar equipment distributor in Northern Europe, covering residential and commercial energy storage projects. Sig Energy also reached an agreement with Bulgaria’s leading renewable energy company, Global Solar Bulgaria, for 200 MWh of energy storage collaboration, utilizing Sig’s SigenStack modular system to efficiently implement large storage scenarios. Additionally, Sig renewed a 20 MWh energy storage project agreement with Bulgarian partner Debar Solar to deepen regional market engagement.

Tronmei Energy Signs Two Major Orders in Europe

On the first day of the Intersolar Europe 2025 exhibition, Tronmei Energy signed cooperation agreements with strategic clients in Germany and Poland, focusing on comprehensive collaboration in energy storage system integration, technology sharing, and project implementation, while also providing energy storage product support for local wind and solar projects in Poland.

Haier New Energy Deepens Residential and Commercial Energy Storage Collaboration

On May 7, during the Intersolar Europe exhibition in Munich, Haier New Energy established strategic partnerships with several European resources, including BNP Paribas Personal Finance, GL Link, and Cell Mind GmbH, to enhance collaboration in residential and commercial energy storage.

Conclusion

Overall, since May 2025, the rapid expansion of Chinese energy storage enterprises in the global market signifies deep integration and comprehensive layout of the Chinese energy storage supply chain on the global stage. Whether through securing core supply chains, enhancing technological collaboration, or signing overseas orders, leading companies are continuously pushing the boundaries of international markets, contributing to global energy transformation. These enterprises are not only expanding their market share overseas but are also promoting the popularization and development of energy storage technologies worldwide through technological output and project cooperation.