Global Energy Storage Battery Market Surges 100% in H1 2025 Amid Policy Tailwinds

The global energy storage battery cell market sustained robust growth momentum in the first half of 2025, driven by comprehensive policy support across major economies. Third-party research platforms report unprecedented expansion, with shipment volumes exceeding industry projections.

According to data released by SMM, global energy storage battery cell shipments surpassed 250 GWh in H1 2025, representing a 100% year-over-year increase. Corroborating this trend, Xinluo Energy Storage published similar findings in its "Global Power Storage Shipment TOP 10 for H1 2025" report, recording 258 GWh in shipments with 106% growth over the same period.

source: Hithium Energy

Both institutions released utility-scale battery cell shipment rankings, showing consistent positioning for market leaders: CATL maintained its top position, followed by Hithium in second place, while CALB (3rd-4th) and Envision AESC (5th-6th) demonstrated comparable performance. Variations in other companies' rankings likely reflect differences in statistical methodologies and coverage scope, underscoring the intensely competitive landscape where multiple enterprises achieve similar shipment volumes.

Market Leadership Dynamics

CATL continues to dominate the energy storage sector, maintaining its industry-leading position through substantial contract wins. Based on publicly disclosed information, the company has secured storage battery orders totaling 47.6 GWh year-to-date, including marquee projects such as a 19 GWh installation in the UAE and a 24 GWh long-duration storage project in Australia. The company reinforced its technological leadership in H1 2025 by launching the 587 large-format battery cell and the TENER Stack 9MWh storage system, continuing to drive industry innovation.

Hithium Energy Storage achieved a breakthrough by surpassing EVE Energy to claim second place for the first time. The company has positioned itself for accelerated growth with an expansive product portfolio scheduled for mass production in H2 2025, including 587Ah storage batteries, 1175Ah long-duration storage cells, N162Ah sodium-ion storage batteries, and 6.25MWh 2h/4h storage systems across various duration categories. Significantly, Hithium's Texas manufacturing facility is scheduled for full operation in July 2025, with annual capacity of 10GWh in battery modules and systems, marking the first Chinese storage company to establish system manufacturing capacity in the United States.

CALB advanced to fourth position, with Q1 2025 energy storage battery shipments reaching an estimated 20GWh, representing nearly 150% year-over-year growth. The company attributes this performance to substantial overseas market expansion, stable orders from tier-one customers, concentrated deliveries of large-scale storage projects, and competitive advantages of its 314Ah cell technology. CALB commenced construction of its first overseas production base in Portugal in February, with initial capacity planning of 15GWh.

Envision AESC demonstrated notable momentum, ranking fifth and sixth respectively in SMM and Xinluo Energy Storage's utility-scale rankings—a marked improvement from year-end 2024 positioning. As a benchmark enterprise leading large-format cell iteration and global expansion, Envision AESC achieved mass production of 500+Ah storage cells in H1 2025. Simultaneously, its Tennessee storage cell factory became operational with initial 7GWh capacity, establishing the first mass-production storage cell facility in the North American market. Beyond North America, the company's Spanish gigafactory is scheduled for 2026 commissioning, which will become Europe's first lithium iron phosphate battery gigafactory, further accelerating global manufacturing network development.

Technological Convergence and Market Transformation

SMM analysis indicates that the mass production window for 500+Ah cells is imminent, coinciding with continued LFP production line expansion by Korean manufacturers, potentially triggering another market realignment in H2 2025. Notably, the three aforementioned companies currently constitute the first tier in 500+Ah cell mass production capabilities.

The timeline reflects rapid technological advancement: Envision AESC's Cangzhou gigafactory officially rolled out 500+Ah storage cells in late May, followed by CATL's announcement on June 10 of mass production and delivery commencement for its 587Ah storage-specific cells. Hithium previously disclosed that its 587Ah storage batteries would achieve mass production in H2 2025.

Industry Consolidation and Strategic Positioning

Under volatile market conditions, industry giants led by CATL, Envision AESC, and Hithium continue leveraging their integrated value chain positioning and major customer relationships, balancing domestic and international markets to achieve substantial H1 2025 shipment growth.

The H1 2025 energy storage battery market expansion was primarily driven by comprehensive policy initiatives across China, the United States, and Europe. However, quantitative growth coincides with intensified qualitative competition, propelling the market into a "winner-takes-all" phase. Industry rankings reveal further concentration, with pronounced Matthew effects among leading players whose advantages in technological accumulation, product delivery, and global resource allocation continue expanding.

This trajectory signals that as the energy storage industry fully transitions to market-driven dynamics, companies will compete in areas demanding sophisticated innovation capabilities, scaled manufacturing excellence, global delivery competencies, and long-term operational reliability—marking entry into the sector's deep-water competitive phase.