Chile currently has 26 BESS projects with environmental approval, totaling over 3 GWh, with a significant share concentrated in the Metropolitan Region. The national grid operator estimates that to maintain supply security and facilitate coal plant retirements, storage capacity will need to reach 8-10 GWh by 2030. This expansion delivers a projected net social benefit of $1.75 billion, driven by operational cost savings and emissions reductions. Early BESS deployments such as the 220 MW Coya system demonstrated substantial benefits like renewable energy arbitrage and grid frequency stabilization, setting operational precedents for new projects.
Other major projects seeking approval include Kanut with 381 MW/1,906 MWh and BESS Las Cañas with 400 MW/1,600 MWh, among others totaling thousands of MWh in pipeline capacity across multiple regions. The Paicaví project exemplifies innovations with modular containerized LFP cells, bidirectional inverters, and efficient grid connection minimizing infrastructure losses. Environmental management plans incorporate acoustic monitoring and pioneering battery recycling programs aligned with circular economy principles. Chile’s rapid regulatory approvals and growing investor interest underscore BESS as a critical enabler for the country’s clean energy transition and reduction of approximately 120,000 tonnes of CO2 annually from displaced diesel and curtailed renewables.
This article was curated and published as part of our South American energy market coverage.
