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sodium sulfur batteries

Sodium-sulfur batteries pilot for UAE solar park

Tue, 03/12/2019 - 12:44 -- Hugh Finzel

Japan-based battery developer NGK Insulators has supplied sodium-sulfur (NaS) batteries for a pilot energy storage project in the United Arab Emirates.

The 1.2MW/7.2MWh batteries were supplied to Dubai’s Electricity and Water Authority (DEWA) for the project at the Mohammed Bin Rashid Al Maktoum Solar Park (MBRAMSP). Ingeteam provided power and control electronics for the battery storage facility.

The NaS system will be used for “energy time shifting, frequency control and voltage control”, as well as to increase grid stability and reduce CO2 emissions. It will be “the first energy storage system paired with a solar PV plant at a grid-scale level in the United Arab Emirates”, the companies said.

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Hitachi starts up ‘hybrid BESS’ in Germany

Mon, 11/05/2018 - 00:00 -- John Shepherd
Hitachi storage project

Japanese technology group Hitachi has started up a demonstration energy storage system comprising two battery technologies in Germany.

Hitachi Chemicals has set up the 22.5 megawatt-hour (MWh) lithium-ion and sodium sulfur (NaS) system in Lower Saxony with Japan’s New Energy and Industrial Technology Development Organization (Nedo), Hitachi Power Solutions and battery developer NGK Insulators.

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