Corporate funding for energy storage companies came in at $11.2 billion across 85 deals in the first nine months (9M) of 2025, down 36% year-over-year (YoY) from $17.6 billion across 83 deals, according to Mercom Capital Group’s 9M and Q3 2025 Funding and M&A Report for Energy Storage. Venture capital (VC) funding for energy storage companies in 9M 2025 totaled $2.8 billion across 56 deals, representing a 4% increase from $2.7 billion across 61 deals in 9M 2024.