Spain’s CIUDEN tests 5.8 MWh sodium‑sulfur battery with solar and hydrogen

Spanish company CYMI has completed operational testing of a 5.8 MWh sodium‑sulfur (NaS) battery at the City of Energy Foundation’s (CIUDEN) Integra2H2 project, integrated with a 2.1 MW solar plant and two electrolyzers to produce green hydrogen…
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