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Corporate funding for Energy Storage companies in 9M 2025 reached $11.2 billion in 85 deals, 36% lower year-over-year (YoY) compared to $17.6 billion in 83 deals in 9M 2024.

Venture capital (VC) funding for Energy Storage companies in 9M 2025 came to $2.8 billion in 56 deals, a 4% increase YoY compared to $2.7 billion in 61 deals in 9M 2024.

Materials and Components providers received the most VC funding ($1.1 billion) in 9M 2025. Other top-funded categories included energy storage downstream companies, energy storage systems providers, lithium-based and sodium-based battery companies.

Announced debt and public market financing for Energy Storage technology companies decreased 44% YoY with $8.4 billion in 29 deals in 9M 2025 compared to $15 billion raised in 22 deals in 9M 2024.

A total of 20 Energy Storage M&A transactions were announced in 9M 2025, up from 18 M&A transactions in 9M 2024.

There were 45 project M&A transactions involving Energy Storage companies announced in 9M 2025 compared to 22 transactions in 9M 2024.

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 smart grid 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 155 companies and investors covered in this report. The report is 78 pages in length and contains 50 charts, graphs and tables.

Mercom’s comprehensive report covers deals of all sizes across the globe. Have questions about the report? Email us here.