Energy Storage Solutions Provider Return has secured €300 million (~$348 million) in growth equity from APG, on behalf of its pension fund client ABP, acquiring a minority stake through the transaction. The new capital will accelerate the expansion of Return’s battery energy storage platform across Europe. As part of the deal, the two companies have established a long-term strategic partnership designed to provide customers with reliable and flexible energy solutions for portfolio balancing, to manage renewable flows, and to ease grid congestion across Europe.