Corporate Information

  1. Corporate Overview
  2. Investor Relations
  3. ESG
  4. International Activities
  5. Procurement
  6. Overseas Consultancy Services
  7. R&D
  8. Open Innovation

May 1, 1951 Established as the Tokyo Electric Power Company
with ¥1,460 million in capital
November 18, 1953 Following its founding, commenced operations of Unit No. 3
(55 MW) at Ushioda Thermal Power Station,
TEPCO's first thermal power generating facility
August 18, 1959 With the completion of Unit No. 4 at Chiba Thermal Power Station, thermal power output exceeded hydropower output
December 10, 1965 Started operating Unit No. 2 (80 MW) at Yagisawa Power Station, TEPCO's first pumped-storage plant
August 8, 1969 Summer system peak load surpassed that of winter (from winter peak to summer peak)
March 26, 1971 TEPCO's first nuclear power facility, the Fukushima Daiichi Nuclear Power Station's No. 1 reactor (460 MW) began operation
April 1, 1980 Electricity rates rose 52.33%, brought on by the second oil crisis and a sharp increase in fuel costs
April 1, 1983 Established district heating and cooling system at Hikarigaoka in Tokyo
April 1984 Started the "Echo System" to improve our customer responsiveness
December 20, 1985 Began operation of the Futtsu Thermal Power Station, which used TEPCO's first combined cycle generators
October 1, 1987 Launched utility bill collection at convenience stores
December 25, 1992 Released its first Environmental Action Report, which was aimed at addressing environmental issues (Since then, the report has been published annually.)
May 15, 1995 TEPCO's cumulative nuclear power generating output achieved one billion MW
March 25, 1996 Released its "Management Plan Guideline" combining the "Management Efficiency-Enhancement Plan," "Supply Plan," and other plans (to be released annually)
January 10, 1997 Determined the successful bidders to supply power during the three-year period from fiscal 1999, when IPP supply begins (eight companies for 1,100 MW)
July 2, 1997 Initiated operation of Unit No. 7 at Kashiwazaki-Kariwa Nuclear Power Station; All units were completed for a total output of 8.2 million kW, making it one of the world's largest-capacity nuclear power plants
November 4, 1997 TEPCO's Code of Behavior formulated
February 10, 1998 Reduced electricity rates an average of 4.2%
March 21, 2000 Commencement of liberalization of retail sector for high-demand customers
March 31, 2000 Started operations of Hachijojima Windmill Power Station, TEPCO's first windmill power generation facility for commercial use
October 1, 2000 Reduced electricity rates 5.32%
October 1, 2000 Initiated Green Power Fund
January 30, 2001 Established the Mutsu Office in Aomori Prefecture. Location feasibility study commenced (Results announced April 3, 2003)
March 29, 2001 Announced Management Vision
July 24, 2001 Recorded highest system peak load in five years (64.3 million kW)
April 1, 2002 Reduced electricity rates 7.02%
March 24, 2003 TEPCO's Code of Behavior revised
Corporate Code of Conduct Based on TEPCO's Corporate Ethics formulated
October 1, 2004 Electricity rates reduced 5.21%
October 7, 2004 Publication of Management Vison 2010, the TEPCO Group's Medium-Term Management Policy
April 1, 2005 Scope of the liberalization of retail power sales extended to all customers who receive high-voltage electricity
November 21, 2005 Established the Recyclable-Fuel Storage Company through a joint venture with The Japan Atomic Power Company (to replace the Mutsu Office)
April 1, 2006 Reduced electricity rates 4.01%
June 15, 2007 Kawasaki Thermal Power Station, Japan's first 1,500oC-class, more advanced combined cycle generator, commenced operations (Unit No. 1 train, axle 3: 500,000 kW)
September 13, 2010 Announced 2020 Vision: TEPCO Group Medium to Long-term Growth Declaration
September 29, 2010 Resolution of capital increase through public offering of stock (Approx. two hundred and fifty million stocks)
March 11, 2011 Occurrence of Tohoku-Chihou-Taiheiyou-Oki Earthquake and Tsunami
 - Occurrence of incident stipulated in Article 10 of the Act on Special Measures Concerning Nuclear Emergency Preparedness (Station blackout)
 - Occurrence of incident stipulated in Article 15 of the Act on Special Measures Concerning Nuclear Emergency Preparedness (Loss of emergency core cooling system)
March 14-28, 2011 Rolling blackouts implemented due to the impact of Tohoku-Chihou-Taiheiyou-Oki Earthquake
March 15, 2011 March 15 Establishment of the Government-TEPCO Unified Response Headquarters
March 31, 2011 Establishment of the Fukushima Nuclear Influence Response Division
July 1 - September 22, 2011 Power usage restriction in accordance with Article 27 of the Electricity Business Act
October 3, 2011 Announcement of report by the "Committee of Management and Financial Investigation for TEPCO (established on May 24)"
November 4, 2011 Approval of the "Special Business Plan"
December 9, 2011 Announcement of "Action plans for reform promotion"
December 21, 2011 Announcement of the Mid-and-long Term Roadmap towards the Decommissioning of Units 1-4 of TEPCO Fukushima Daiichi Nuclear Power Station
April 1, 2012 Electricity rate raise in effect for the deregulated sector
May 9, 2012 Approval of the "Comprehensive Special Business Plan"
June 20, 2012 Announcement of the Fukushima Nuclear Accident Investigation Report
June 27, 2012 Transition to a Company with Committees
July 31, 2012 Acceptance of our preferred stock by the Nuclear Damage Liability Facilitation Fund
September 1, 2012 Electricity rate revision for the regulated sector (average of 8.46% increase)
November 7, 2012 Announcement of the "Management Policy towards Restoration" and the "Intensive Reform Implementation Action Plan"

Acrobat® Reader In Order to view the PDF documents, you will need a software product called Adobe® Acrobat® Reader installed on your computer. You can download this software product for free from Adobe’s Web site by clicking the left button:

to TOP