Article

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.