• HomeHome
  • Company ProfileCompany Profile
  • Product InformationProduct Information
  • TechnologyTechnology
  • The Goals of ELIIY PowerThe Goals of ELIIY Power
Home > Company Profile > Company History

Company History

28 September: Founded by a group of four Keio University research project members, including Yoshida, with capital stock of ¥15 million.

A battery cell from that time

Development of lithium-ion electricity storage system


Technology Development Center

25 September:Opened Kansai Office (Chuo-ku, Osaka City, Osaka Prefecture).
Opened Technology Development Center (Otsu City, Shiga Prefecture).
26 November:Delivered the first stand-alone lithium-ion EV charging station to Kanagawa Prefectural Government.

Kawasaki Plant 1

6 April: Completion of Kawasaki Plant 1 in Kawasaki City, Kanagawa Prefecture with capacity to produce 200,000 cells per year.
19 May:Launched POWER YIILE large-size lithium-ion electricity storage system.
29 September:POWER YIILE PLUS receives a Good Design Award 2010.
12 August: Awarded the world's first-ever TÜV-S Mark safety standard certification for a large-size lithium-ion battery from international third-party testing and certification organization TÜV Rheinland Japan.

Receipt of TÜV-S Mark



30 March: The POWER YIILE PLUS large-size lithium-ion electricity storage system obtains first certification through a subsidy from the Ministry of Economy, Trade and Industry.
13 June:Completion of Kawasaki Plant 2 in Kawasaki City, Kanagawa Prefecture with capacity to produce 1 million cells per year.
21 November:Announcement of the development of the Power Storager 10 general-purpose electricity storage system for industrial use.

Power Storager 10

Kawasaki Plant 2


Power iE 6

7 January:POWER YIILE PLUS receives a 2012 Nikkei Superior Products & Services Award (Nikkei Business Daily Award).
18 February:Announcement of the launch of the POWER iE 6 stationary electricity storage system.
18 March:The Kawasaki Office receives the 2012 (19th) City of Kawasaki commendation for contributions to urban landscape development.
4 July:Obtains certification for wide-area collection and transport of general and industrial waste from the Ministry of the Environment.
1 October:POWER iE 6 receives a Good Design Award 2013.