
Rapid cost reductions of solar photovoltaics and wind offer a pathway to deep decarbonization of energy at low cost. Off-river pumped hydro energy storage provides mature, cheap and very large-scale storage t.

With an investment of $2 bn, the energy storage systems will commence operations in 2026 and will be the largest project in Latin America. The government of Chile has announced plans to introduce a bill this year aimed at procuring large-scale energy storage systems.