Infrastructure Funds Accelerate European Battery Storage Development through Strategic Acquisitions
Battery energy storage systems (BESS) are becoming an investable asset class in Europe, with infrastructure funds acquiring developer platforms to enhance deployment. Utilities like Enel, RWE, and Iberdrola pioneered BESS, leveraging their resources for early projects. Now, funds are focusing on scalable BESS platforms, facilitating faster growth in fragmented markets. A notable example is Macquarie Asset Management's acquisition of Island Green Power in May 2025.

Battery energy storage systems (BESS) are increasingly recognized as an investable asset class in Europe. Infrastructure funds are acquiring developer platforms to enhance deployment capabilities. Initially, large utilities like Enel, RWE, and Iberdrola led the market, using their resources and expertise.
This foundation enabled BESS to attract private institutional capital. Now, infrastructure funds are establishing scalable platforms, optimizing market access and accelerating growth. A key example is Macquarie Asset Management's acquisition of Island Green Power in May 2025, highlighting the trend of financial sponsors backing BESS development.




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