Source of information：InfoLink

1Q25 Global energy storage system (ESS) shipment ranking: significant changes

InfoLink has officially released the global energy storage system shipment ranking for the first quarter of 2025. The shipment data used in this ranking is all sourced from InfoLink's energy storage supply chain database.

In the first quarter of 2025, the global energy storage market witnessed a vigorous development trend. The Chinese market maintained a steady growth, the US market saw advanced shipments, and emerging markets also rose rapidly. The global energy storage system shipment volume reached a new high of 71.5 GWh.

On the AC side: Sungrow dominated, and BYD Energy Storage advanced into the top three.

In the first quarter of 2025, the top five global energy storage system integrators (AC side) were Sungrow Power Supply, Tesla, BYD Energy Storage, Hibosichuang and CRRC Zhuzhou Institute in that order. The key words of the communication side market in this quarter can be summarized as: dramatic changes in the pattern, strong rise, and global layout.

• Dramatic changes in the landscape: In the first quarter, Sungrow Power Supply successfully surpassed Tesla and became the world's number one thanks to its large-scale shipments in the Americas and the Middle East. It is worth mentioning that since the third quarter of 2024, Sungrow Power Supply has surpassed Tesla in quarterly shipments for three consecutive quarters. Meanwhile, BYD Energy Storage has made it into the top three globally for the first time thanks to orders from the Middle East market. This achievement is the first of its kind since the statistics of this database began.

• Strong rise: Among the Top5 manufacturers, Chinese companies occupy 4 seats, while there is only 1 American company. As overseas orders gradually enter the delivery period in 2025, it is expected that Chinese-funded manufacturers will gradually take the leading position in the global market and demonstrate strong competitiveness.

• Global layout: Judging from the shipment situation of leading manufacturers, the strong performance in a single market is no longer sufficient to support a company's leading position in the global market. Only by developing multiple strategic markets in parallel and building a three-dimensional layout of "regional complementarity + technology adaptation + in-depth local cultivation" can we effectively resist the risks brought by fluctuations in a single market and achieve stable growth through the cycle.

On the DC side: Leading battery cell manufacturers are accelerating their industrial expansion

In the first quarter of 2025, the top five companies in terms of DC side shipments were CATL, BYD Energy Storage, Haisen Energy Storage, Suzhou Jingkong and Yuanxin Energy Storage. The key words for the DC side market in this quarter are: integrated layout and overseas expansion.

• Integrated layout: In the first quarter, all the Top3 manufacturers were battery cell manufacturers, and the trend of battery cell manufacturers laying out in the terminal system integration field has become increasingly obvious. At present, the competition in the battery cell sector is fierce, the phenomenon of internal competition persists, and the profit margin has not seen a significant expansion. The increase in the shipment volume of system products by leading battery cell manufacturers may help boost their profit levels. Meanwhile, many battery cell manufacturers have launched DC-side system products, and the intensity of competition in the DC-side segment is likely to increase further.

• Overseas expansion: Judging from the shipment situation in the first quarter, the DC-side system shipments of battery cell manufacturers are mainly concentrated in overseas markets. In the Chinese market, the integration capabilities of local system integrators are relatively strong. Most battery cell manufacturers mainly supply battery cells, and the flexibility of industrial extension is average. In view of this, the industrial extension strategies of battery cell manufacturers mostly take overseas markets as the starting point.

From a full-year perspective, the energy storage system market will present a dual main line feature of "reconstruction of the exchange side pattern + acceleration of supply chain localization". In terms of the competitive landscape, given that manufacturers such as CATL, BYD Energy Storage, and Haisen Energy Storage have already reserved a considerable number of overseas orders for AC-side systems, it is expected that there will still be many uncertainties in the competitive landscape of the AC-side. In terms of the supply chain, the shortage of overseas supply chains exposed by tariff issues will gradually be alleviated. The market supply pattern will gradually shift from "supplying the world from Chinese bases" to "mainly supplying the world from Chinese bases, with overseas bases supplying regional markets as a supplement".

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