Toshiba Sells Power Storage System With World's Highest Output Power

Nov 27, 2013
Kouji Kariatsumari, Nikkei Electronics
An image of the power storage system to be installed at the West Sendai Transformer Substation of Tohoku-Electric Power (image courtesy of Toshiba)
An image of the power storage system to be installed at the West Sendai Transformer Substation of Tohoku-Electric Power (image courtesy of Toshiba)
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Toshiba Corp announced Nov 26, 2013, that it has received an order for a 40MW power storage system for the "Project to Test Storage Battery System for Dealing With Frequency Fluctuations at West Sendai Transformer Substation," which is conducted by Tohoku-Electric Power Co Inc.

The power storage system will be installed at a transformer substation of a bulk power system. It will have a higher output power than any other power storage system in the world.

The system will use lithium-ion (Li-ion) rechargeable batteries and have an output power of 40MW and capacity of 20MWh. The "SCiB" battery cell, which is manufactured by Toshiba and uses lithium titanate as a negative-electrode material, was employed for the system. The company claims that the cell can handle 10,000 or more charge/discharge cycles and has a high safety and low-temperature properties.

The power storage system will be installed at the West Sendai Transformer Substation of Tohoku-Electric Power. It will be used for dealing with frequency fluctuations caused by wind and solar power generation systems, whose output powers fluctuate depending on weather conditions.