Energy Storage Systems (ESS, Inc.) products

Powerful technology transforming the utility grid. ESS iron flow battery solutions are mature, second-generation systems that offer unmatched cost and sustainability with performance guaranteed through an independent insurer: Munich Re. Conventional battery chemistries, with limited cycle life, deliver a 7- to 10-year lifecycle before requiring augmentation. ESS iron flow chemistry delivers 25 years or more with no capacity fade or degradation.