By ESS news
Denver-based Peak Energy has announced a multi-year phased agreement with U.S. developer and operator of utility-scale battery storage Jupiter Power. Under the deal, Peak Energy will supply up to 4.75 GWh of its sodium-ion battery energy storage systems for deployment between 2027 and 2030.
In the first phase, Peak will deliver approximately 720 MWh of storage capacity by 2027, marking the largest announced sodium-ion battery deployment to date. The agreement also includes an option for an additional 4 GWh through a capacity reservation for the period 2028-2030. In total, the value of the contract could exceed $500 million, marking a significant milestone for both Peak and the broader stationary energy storage sector.
Although sodium ion technology is widely seen as a more sustainable and cheaper alternative to lithium-based chemicals – thanks to the abundance of sodium and low extraction costs – it still lags behind lithium iron phosphate (LFP) in cost efficiency and performance, especially as LFP prices continue to decline.
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