4c524e74_y_Storage____Clean_Energy_Wonk__1
[0] Molten Sodium-Sulfur (NaS) Battery [2] 30 sites in Japan, mostly for peak shaving. Largest is 6 MW for Tokyo electric [3] Cost “High” compares to BrS and hydro/ CAES. [4] NGK, Japanese power equipment supplier focused. Can be bought by US investors on the Pink Sheets NGKIF.PK [1] 
Molten battery technology. “Safety concerns addressed in
Large Scale Electricity Storage. | Clean Energy Wonk
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