Click here to download our Q1 2026 Funding and M&A Executive Summary on Energy Storage.

 Corporate funding for Energy Storage companies, including venture capital (VC) funding, debt, and public market financing, reached $2.3 billion across 38 deals in Q1 2026, a 5% increase year-over-year (YoY) compared to the $2.2 billion raised in 31 deals in Q1 2025.

VC funding raised by Energy Storage companies in Q1 2026 increased 9% YoY, with $1.2 billion in 26 deals compared to $1.1 billion in 18 deals in Q1 2025, and a 44% increase in deal count.

Energy Storage Downstream companies attracted the most VC funding among 14 categories in Q1 2026. Other leading categories included Metal-Hydrogen Battery, Li-based Battery companies, Energy Storage Systems, Materials & Components providers, and Battery Recycling companies.

Energy Storage corporate M&A activity increased with seven companies acquired in Q1 2026 compared to one in Q1 2025. Transactions were spread across the value chain, including downstream platforms, battery technologies, and materials, reflecting growing interest across the sector.

Mercom Capital Group’s Energy Storage Funding and M&A Reports are comprehensive high-quality reports delivering superior insight, market trends and analysis. These reports help bring clarity to professionals in the current financial landscape of the energy storage industry.

The Quarterly Funding and M&A Reports contain quarter-over-quarter (QoQ) information on market activity displayed in easy-to-digest charts, graphs and tables, as well as data-driven analysis covering:

• Venture capital funding deals including top investors, QoQ trends, and a breakdown of charts and graphs by stage;
• VC funding by technology;
• Debt and other funding deals;
• Mergers and Acquisitions (M&A) including QoQ trends, with charts and graphs by technologies;
• Battery and storage funding deals;
• New cleantech funds;

This report also contains comprehensive lists of all announced deals and transactions during the quarter, including:

• VC deals and investors;
• M&A transactions and acquirers;
• New cleantech funds.

There were 356 companies and investors covered in this report. The report is 42 pages in length and contains 32 charts, graphs and tables.