A new report by Wood Mackenzie ranks the top battery integrators globally, revealing that six out of the top ten are Chinese companies, with Sungrow leading the list, followed by Tesla and CATL. The report highlights the growing importance of experience, vertical integration, and technology leadership in the competitive landscape of battery energy storage systems.
The key insight for you is that the global battery energy storage industry surpassed 100 GW of annual installations in 2025, marking a significant milestone. This growth underscores the importance of selecting suppliers who excel across the entire project lifecycle, emphasizing experience, vertical integration, and technology leadership. Notably, the report highlights that the next phase of competition will focus on execution across global markets, which presents an opportunity for companies that can adapt to localization, financing, and evolving technical standards. This insight can guide your understanding of the shifting landscape in energy storage and inform strategic decisions in the sector.