NGK INSULATORS, LTD.
NGK INSULATORS, LTD. NGK Insulators is a Japanese conglomerate which produces sodium/sulphur batteries for stationary applications. A fire accident in 2011 cost the company $600M but they are now back in the game. History -NGK Insulators is a large chemical conglomerate from Japan, with operations all around the world. They are one of the leading producers of sodium/sulphur (Na/S) batteries for stationary applications.
-The company has 530 MW / 3760 MWh installed capacity worldwide, with the largest project being a 50 MW / 300 MWh array in Okinawa for the Buzen power plant.
-The company claims to have an annual production capacity of 150 MW / 1 GWh.
-In 2011, one of their batteries suffered a short circuit, which led to a cascade reaction that ultimately caused a massive fire. The company replaced the defective batteries as well as all the others that were produced at the same time. The incident cost NGK over $600M and caused the stop of the business for 2 years.
## NGK INSULATORS, LTD.