World Library  
Flag as Inappropriate
Email this Article

NGK Insulators

Article Id: WHEBN0029565444
Reproduction Date:

Title: NGK Insulators  
Author: World Heritage Encyclopedia
Language: English
Subject: Nikkei 225, Hokuetsu Paper Mills, Comsys, Dowa Holdings, Fukuoka Financial Group
Collection: Companies Based in Nagoya, Companies Listed on the Tokyo Stock Exchange
Publisher: World Heritage Encyclopedia

NGK Insulators

NGK Insulators, Ltd.
Type Public company
Industry Glass and Ceramics
Predecessors Noritake (spin-off of Noritake)
Founded 5 May 1919 (1919-05-05)
Headquarters Nagoya, Japan
Key people Shun Matsushita, President and CEO
Masaharu Shibata, Chairman[1]
Products Insulator (electrical)
Sodium-sulfur batteries (grid energy storage)
Revenue Increase ¥119,976 million (2010)
Operating income Increase ¥16,551 million (2010)
Net income Increase ¥10,983 million (2010)
Total assets ¥313,591 million (2010)
Employees 3,272[1]
Website .html/index/
head office
Head office

NGK Insulators, Ltd. (日本碍子株式会社 nippon gaishi kabushikigaisha) (TYO: 5333) is a Japanese ceramics company. It primarily produces insulators but also produces other products, especially ceramic products. It is listed on the Nikkei 225, which is an index of the Tokyo Stock Exchange.[2] It is also listed in the Osaka Securities Exchange, the Nagoya Stock Exchange, and the Sapporo Securities Exchange all under listing code 5333.[3][4] NGK stands for Nippon (Japan) Gaishi (insulator) Kaisha (company).


  • Sodium-sulfur batteries 1
  • See also 2
  • References 3
  • External links 4

Sodium-sulfur batteries

NGK Insulators is known-worldwide for the development of sodium-sulfur batteries in cooperation with TEPCO.[5] NGK's NaS battery systems are being used worldwide, primarily in Japan and the United States.[6]

NGK Insulators markets its NaS batteries for use as grid storage (especially for use in conjunction with renewable energy sources such as wind and solar). The battery systems can be used for both peak shaving, load leveling, emissions reductions, and as emergency power supplies. The "typical system" (as defined by NGK) is composed of 40 50-kW units for a total system capacity of 12,000 kWh.[5]

NGK's systems are currently used in worldwide, both as grid storage and as a supplement to wind and solar installations. System capacities range from 1.5 to 34 MW.[6]

See also


  1. ^ a b "Corporate Outline". NGK Insulators. 
  2. ^ "Nikkei Constituents". NIKKEI. Retrieved 11 November 2010. 
  3. ^ "Investor Relations". NGK Insulators. Retrieved 23 December 2010. 
  4. ^ "NGK INSULATORS, LTD. (Public, TYO:5333)". Google Finance. Retrieved 23 December 2010. 
  5. ^ a b NGK Insulators, Ltd. (2011). "NAS Batteries". Retrieved 1 August 2011. 
  6. ^ a b NGK Insulators, Ltd. (2011). "Reference Installations". Retrieved 1 August 2011. 

External links

Media related to at Wikimedia Commons

This article was sourced from Creative Commons Attribution-ShareAlike License; additional terms may apply. World Heritage Encyclopedia content is assembled from numerous content providers, Open Access Publishing, and in compliance with The Fair Access to Science and Technology Research Act (FASTR), Wikimedia Foundation, Inc., Public Library of Science, The Encyclopedia of Life, Open Book Publishers (OBP), PubMed, U.S. National Library of Medicine, National Center for Biotechnology Information, U.S. National Library of Medicine, National Institutes of Health (NIH), U.S. Department of Health & Human Services, and, which sources content from all federal, state, local, tribal, and territorial government publication portals (.gov, .mil, .edu). Funding for and content contributors is made possible from the U.S. Congress, E-Government Act of 2002.
Crowd sourced content that is contributed to World Heritage Encyclopedia is peer reviewed and edited by our editorial staff to ensure quality scholarly research articles.
By using this site, you agree to the Terms of Use and Privacy Policy. World Heritage Encyclopedia™ is a registered trademark of the World Public Library Association, a non-profit organization.

Copyright © World Library Foundation. All rights reserved. eBooks from Project Gutenberg are sponsored by the World Library Foundation,
a 501c(4) Member's Support Non-Profit Organization, and is NOT affiliated with any governmental agency or department.