Kansai Electric Power -power with heart-

Corporate History

1950s

1951

May

Kansai Electric Power was established upon restructuring of power business.

Kansai Electric Power was established

1958

Feb.
Kurobegawa No.4 Power Station Omachi Tunnel completed

1956

July

Construction of Kurobegawa No.4 Power Station (Omachi route) begins

1957

 

Nuclear Power Department launched to start R&D on nuclear power

May
Fault fracture zone reached in Omachi Tunnel for building the Kurobegawa No.4 Power Station (broken through in December)

1960s

1961

Mar.

Output of thermal facilities overtakes hydro facilities (marking shift to thermal)

Sep.
World's first balloon construct method used to set up power transmission line crossing the Naruto Strait

1964

May
KEPCO's first pumped storage power station, the Mio Power Station, goes into operation (34MW; 1,500 kW added in December 1968)

1968

Mar.
Himeji No.2 Power Station Unit 4 goes into operation (450MW: all units 1,350MW), first two-stage heat recovery supercritical pressure system

1963

June

Construction of Kurobegawa No.4 Power Station finally completed after 7 grueling years

Construction of Kurobegawa

1966

 

Summer peak power consumption tops winter peak for the first time (marking shift to summer peak consumption)

1970s

1970

July

KEPCO's first nuclear power plant, Mihama Nuclear Power Station Unit 1 goes into operation (340MW)

Mihama Nuclear Power Station

July

Japan's first recirculating pumped storage power plant, Kisenyama Power Station Units 1 and 2 go into operation (233MW each)

Kisenyama Power Station

1973

Oct.

Himeji No.2 Power Station Unit 5 goes into operation (600MW, total 1,950MW); computerized auto-heating, auto-pressurizing system adopted; thermal power facility boosted to 10,030MW)

1976

May

Construction completed on 500 kV Wakasa main transmission line (city side) and Nishi-Kyoto transfer substation, completing a 500 kV main transmission system, which goes into operaiton

1979

June

Himeji LNG terminal goes into operation

Himeji LNG terminal

1980s

1981

Apr.
First TQC system in power industry adopted

1987

 
Annual electricity sales volume exceeds 100 TWh

1989

Dec.
Primary dispatching center goes into full operation; central load dispatching center backup system established

1984

Nov.

Received Deming Prize, a global quality award, given for the first time outside of manufacturing and architecture industries

Received Deming Prize, a global quality award

1990s

1991

Feb.
Mihama Unit 2 steam generator tube rupture accident

1995

Jan.

Great Hanshin-Awaji Earthquake hits; immediate power outage affects 2.6 million households, primarily in Hanshin area (2,836MW)
Emergency power transmission completed in 153 hours

Great Hanshin-Awaji Earthquake

Dec.
Electricity Enterprises Law revised for the first time in 31 years, deregulating the wholesale power industry

1992

Mar.

Institute of Nuclear Safety System, Incorporated (INSS) established taking into lessons learned from Mihama Unit 2 accident

1996

Jan.

Electricity rates lowered, First electricity wholesale bidding

1998

Feb.
Electricity rates lowered
Oct.

First overseas power generation by a power company
Joined San Roque hydroelectric power generation project in the Philippines

San Roque hydroelectric power generation project in the Philippines

2000s

2000

Oct.
Electricity Enterprises Law revised; liberalization of retail market begins; first lowering of electricity rates by report

2001

Aug.
Record high peak power consumption (33,060MW)
Nov.
Heat pump water heater "EcoCute" with CO2 coolant developed

2002

Oct.
Electricity rates lowered

2003

June
Constant rated thermal power operation introduced at all nuclear power plants
July

KEPCO's electricity certified with EcoLeaf environmental label

EcoLeaf environmental label

2008

Sept.
Electricity rates lowered
Sept.
Mihama Line Tower No.21 accident
Sept.

KEPCO's first company ship "LNG Ebisu" built

LNG Ebisu

2004

Aug.

Mihama Nuclear Power Station Unit 3 secondary pipe rupture accident

Mihama Nuclear Power Station Unit 3 secondary pipe rupture accident

Aug.

Maizuru Power Station Unit 1 goes into operation
First cross-compound steam turbine adopted by KEPCO

Maizuru Power Station

2005

Apr.
Electricity rates lowered
June
Mihama Nuclear Power Station Unit 3 accident recurrent prevention plan announced

2006

Apr.
Electricity rates lowered

2007

Mar.
Kansai Electric Power Group medium and long term plan announced

2009

July
Power usage notice and inquiry service started

2010s

2010

Mar.
Kansai Electric Power Group Long-term Growth Strategy toward 2030 announced

2012

Dec.

Awaji Wind Power Station, the first KEPCO's wind farm, goes into operation

Awaji Wind Power Station

2015

June
Electricity rates raised
Leading Company in Osaka-City Supporting Women's Activities certified

2016

Mar.

Leading Company in Osaka-City Supporting Women's Activities awarded for excellence
Management Philosophy, Guidelines for Action, Kansai Electric Power Group Vision and brand statement drafted

Apr.

Liberalization of the energy retail market begins

Kansai Electric Power Group Medium term Management Plan (2016-2018) drafted

2011

Feb.
Winter peak power consumption record (26,650MW)
Sept.

Japan's first megasolar project by a power company Sakai Solar Power Station goes into full operation

Sakai Solar Power Station

2013

May
Electricity rates raised
Aug.

Himeji No.2 Power Station Unit 1 goes into operation
Facility upgraded to combined cycle power generation system using ultra high-temperature 1,600 degrees C -class gas turbine

Himeji No.2 Power Station

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