US energy transition-focused investment firm Captona has joined as a partner the asset management arm of Swiss bank UBS Group AG (<a href="https://www.six-group.com/en/products-services/the-swiss-stock-exchange/market-data/shares/share-explorer/share-details.CH0244767585CHF4.html#/" target="_blank">SWX:UBSG</a>) in a portfolio of four utility-scale battery energy storage (BESS) projects in Texas with a combined capacity of 728 MW/1.06 GWh.