SIG #4: Long-term storage with flow batteries

This first English-language episode of the Solar Investor's Guide
is about redox flow batteries. Flow batteries have the great
advantage that power and capacity are separate. They consist of
reactors and tanks with the liquid electrolyte in which the
energy is stored. If you need more storage capacity, you simply
use larger tanks and more electrolyte liquid. 


Energy Center is an iron flow storage system from ESS Inc., a
company located in Oregon in the United States. The storage
device offers 1.16 megawatt hours of storage capacity and a
maximum charging capacity of 174 kilowatts. This modular solution
comes completely in a container and can be adapted to many
commercial and network applications.


Karsten Schäfer talks with Alan Greenshields, Director EMEA at
ESS, about long-term storage systems and the prospect of redox
flow systems with sustainable materials – iron, salt and water.


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please write to schaefer@photovoltaik.eu.