AES Andes plans to build a 379 MW solar farm co-located alongside a 542-MW battery energy storage system (BESS) in the Atacama Desert March 31, 2023 AES Andes is planning to build a 379 MW solar farm in the Atacama Desert. The project will be co-located with a 542-MW battery energy storage system (BESS). The company will invest around US$710 million. Source: Renewables Now