The rankings are based on shipment data from InfoLink’s Energy Storage Supply Chain Database.
In Q1 2025, China’s market showed steady growth, the U.S. market saw front-loaded shipments, and emerging markets gained momentum, driving global energy storage system shipments to a record high of 71.5 GWh.
AC Side: Sungrow Tops the List, BYD Energy Storage Enters Top Three
The top five global energy storage system integrators (AC side) in Q1 2025 were: Sungrow, Tesla, BYD Energy Storage, HyperStrong, and CRRC Zhuzhou Institute.
- The shipment performance of leading players indicates that dominance in a single market is no longer sufficient to secure global leadership. Only through multi-market strategic development — building a diversified layout with regional complementarity, technology adaptation, and local market penetration — can companies mitigate risks from market volatility and achieve sustained, cyclical growth.
DC Side: Leading Battery Cell Makers Expand Downstream
The top five companies in DC-side shipments for Q1 2025 were: CATL, BYD Energy Storage, Hithium, Potis Edge, and Relyez.
- The top three companies were all battery cell manufacturers, highlighting a growing trend of cell makers extending into system integration. Intensified competition in the battery cell segment persists, with no signs of profit margin expansion. Leading cell manufacturers are increasing system-level shipments, which may help improve profitability. Meanwhile, multiple cell makers have launched DC-side system products, suggesting that competition in this segment will continue to escalate.
- In Q1, DC-side system shipments from cell manufacturers were primarily concentrated in overseas markets. In China, local system integrators hold relatively strong integration capabilities, limiting cell makers’ downstream expansion. As a result, cell manufacturers are focusing their extension strategies on overseas markets.
Full-Year Outlook: Looking ahead, the energy storage system market will be shaped by two key trends: a restructuring of the AC-side competitive landscape and faster supply chain localization.
Competitive Landscape: With companies like CATL, BYD Energy Storage, and Hithium securing substantial overseas AC-side system orders, the AC-side market is expected to remain highly dynamic.
Supply Chain: Supply shortages in overseas markets, exacerbated by tariff issues, will gradually ease. The supply structure will shift from “Chinese bases supplying the global market” to “Chinese bases as the primary global suppliers, supplemented by regional overseas production hubs.”
Source: WeChat Official Account—InfoLink
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