DURHAM, N.C.–(BUSINESS WIRE)–FlexGen Power Systems, LLC (“FlexGen”), a leading provider of battery energy storage software and services, today announced it has acquired Clean Energy Services CES LLC (“CES”), a leading provider of battery energy storage system (BESS) and utility-scale solar (PV) services. The acquisition will create an integrated model that accelerates FlexGen’s project delivery, enhances system performance, and strengthens long-term asset reliability for customers. It will su