Milestones

As of May 31, 2016
Number of gas customers 1 million :1 million
Oct. 1885
Tokyo Gas established.
July 1893
Following the enactment of the Commercial Code, name changed to Tokyo Gas Co., Ltd.
Dec. 1913
First cooking class held in Ushigome, Tokyo
Nov. 1955
1 million
Head Office (ca. 1902)
Head Office (ca. 1902)
Cooking class held in 1936
Cooking class held in 1936

1960s

Sep. 1962
Caloric value in the Tokyo Head Office service area raised from 3600 kcal to 5000 kcal.
May 1966
Negishi LNG terminal went into operation.
Dec. 1966
3 million
Nov. 1969
LNG imports from Alaska started.
POLAR ALASKA headed for Negishi LNG terminal
POLAR ALASKA headed for Negishi LNG terminal

1970s

June 1972
Caloric value conversion to natural gas started.
Jan. 1973
LNG imports from Brunei started.
Feb. 1973
Sodegaura LNG terminal went into operation.
Dec. 1974
5 million
Jan. 1976
High-pressure round pipeline from the Negishi terminal to the Sodegaura terminal went into operation.
Dec. 1977
High-pressure pipeline under Tokyo Bay went into operation.
Sodegaura LNG terminal
Sodegaura LNG terminal

1980s

Feb. 1983
LNG imports from Malaysia started.
Oct. 1985
100th Anniversary of establishment celebrated.
Oct. 1988
Caloric value conversion to natural gas completed.
Mar. 1989
7 million
Aug. 1989
LNG imports from Australia started.
Heat change work conducted for over 17 years
Heat change work conducted for over 17 years

1990s

Jan. 1994
LNG imports from Indonesia started.
June 1995
8 million
Jan. 1998
Ohgishima LNG terminal went into operation.
Dec. 1998
LNG imports from Qatar started.
Dec. 1999
Keihin high-pressure land pipeline and Yokohama high-pressure land pipeline completed. (Negishi LNG terminal, Sodegaura LNG terminal and Ohgishima LNG terminal linked by high-pressure pipeline)
Construction of Keihin trunk line
Construction of Keihin trunk line

2000s

Jan. 2001
New corporate slogan "Energy Frontier - Establishment of natural gas future" established.
Feb. 2002
9 million
Feb. 2005
World's first commercial residential fuel cell co-generation systems launched.
Feb. 2006
Standard caloric value lowered from 46.04655 MJ/m3 to 45 MJ/m3
July 2006
Transferred Nagano business area (43,715 households) to Nagano Toshi Gas.
Sep. 2007
10 million
Apr. 2008
Start-up of new regional energy service provider - "LIFEVAL."
Apr. 2009
LNG imports from the Sakhalin II Project started.
Oct. 2009
Completion of new regional energy service provider - "LIFEVAL."
Oct. 2009
Transferred Kofu business area (30,190 households) to Tokyo Gas Yamanashi.
Residential fuel cell co-generation systems
Residential fuel cell co-generation systems
ENERGY NAVIGATOR transporting petroleum oil as part of the Sakhalin II project.
ENERGY NAVIGATOR transporting petroleum oil as part of the Sakhalin II project.

2010s

Nov. 2011
Formulated Challenge 2020 Vision.
Mar. 2012
Chiba-Kashima Line went into operation.
Aug. 2013
11 million
Mar. 2016
Hitachi LNG Terminal and Ibaraki-Tochigi Line went into operation.
Apr. 2016
Sale of electricity to residential and small commercial customers commenced.
May 2016
Integrated Chiba Gas, Tsukuba Gakuen Gas and Miho Gas into Tokyo Gas.
Hitachi LNG Terminal
Hitachi LNG Terminal
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