Study: flow batteries beat lithium ion

Flow batteries, such as this ESS All-Iron unit under contract to the US Army Corps of Engineers, have the potential to reach commercial cost-effectiveness before lithium-ion, new research shows. Pic: ESS.

Flow batteries, such as this ESS All-Iron unit under contract to the US Army Corps of Engineers, have the potential to reach commercial cost-effectiveness before lithium-ion, new research shows. Pic: ESS.

UPDATE: We have found data for EWE’s proposed flow battery system on the EWE Gasspeicher website. The actual values are not far off those calculated in our original article below.

By Jason Deign

A study last week showed flow batteries could maintain a cost edge over lithium-ion chemistries, even in the face of massive deployment of the latter.
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What the Dubai tender means for CSP

SolarReserve's Crescent Dunes CSP plant in the US has a 1.1GWh storage capability, about equal to all the world's utility-scale batteries combined. Pic: SolarReserve.

SolarReserve’s Crescent Dunes CSP plant in the US has a 1.1GWh storage capability, about equal to all the world’s utility-scale batteries combined. Pic: SolarReserve.

By Jason Deign

Concentrated solar power (CSP), a renewable technology seemingly on the wane, could be back in vogue following a record low tender bid announced Monday.
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