Let's unpack the region's energy storage system (ESS) price trends with the precision of a Brazilian coffee farmer sorting premium beans. Here's the breakdown:. By battery type, lithium-ion batteries held 90. By connection type, on-grid systems accounted for 79. 85% of installations in 2025, whereas off-grid. . According to the International Energy Agency (IEA), South America's energy storage capacity is predicted to increase by more than 5 GWh by 2025, with portable electronics playing a crucial role. South America's ESS landscape is as diverse as the Amazon rainforest. 39% during the forecast period. The energy storage sector in South America is emerging as a crucial element in the region's. . The South American energy management system (EMS) market is experiencing a period of steady growth, driven by a confluence of factors.