Mercom Report: Global Energy Storage Companies Raise $8.9 Billion in H1 2026

en.Wedoany.com Reported - Mercom Capital Group, LLC (a comprehensive communications, research, and media company focused on the clean energy market) released its "Global Energy Storage Funding and M&A Activity Report for H1 2026." The report shows that energy storage companies raised a total of $8.9 billion across 73 transactions during the period, a 2% decrease from $9.1 billion in H1 2025; despite ongoing policy, trade, and supply chain uncertainties, the number of transactions still increased by 33% compared to 55 transactions in the same period last year.

In terms of venture capital (VC), energy storage companies raised a total of $1.6 billion in VC funding across 51 transactions in H1 2026, a year-over-year decrease of 6% compared to $1.7 billion across 36 transactions in H1 2025.

By investment segment, downstream energy storage companies received the most VC funding among 15 categories. Other major categories included metal-hydrogen batteries, lithium-based battery companies, battery recycling, energy storage system companies, and materials and component suppliers.

The top five VC funding deals in energy storage in H1 were: EnerVenue Holdings raised $300 million, terralayr raised $223 million, Liminal Energy raised $200 million, Waaree Energy Storage Solutions raised $111 million, and Lunar Energy raised $102 million.

Debt and public market financing totaled $7.3 billion across 22 transactions, a 1% contraction compared to $7.4 billion across 19 transactions in H1 2025.

M&A activity rebounded significantly, with 15 transactions announced in H1, compared to just 4 in the same period of 2025, representing a 275% increase in deal count. M&A targets spanned value chain segments including downstream platforms, battery technology, and materials.

Project acquisition activity increased, with approximately 14 gigawatts (GW) of battery energy storage capacity changing hands across 63 transactions, compared to 31 transactions and 6.1 GW in the same period of 2025. Standalone battery energy storage remained the dominant category, corresponding to 45 transactions and 10 GW of acquired capacity; renewable energy plus storage projects corresponded to 18 transactions and 3.8 GW of acquired capacity, more than double the full-year 2025 acquisition volume (1.6 GW).