Kansai Electric Power Co., Inc.

With the restructuring of the electric business, Kansai Electric Power was established

Construction of the Kurobe River No. 4 Power Station (Omachi Route) commenced

The Nuclear Research and Development Department was established for nuclear research and development

The Omachi Tunnel for the construction of the Kurobe River No. 4 Power Station faced a fault rupture zone (breakthrough in December)

The Omachi Tunnel of the Kurobe River No. 4 Power Station was penetrated

Thermal equipment exceeded the output of hydro equipment (fire-dominant, water-subordinate)

Successful completion of the Nagahama Strait transmission line construction using the world's first balloon method

After seven years of difficult construction, the Kurobe No. 4 Power Station was completed

The first pumped-storage power plant of our company, the Sano Power Station, began operation (34,000 kW, increased to 1,500 kW in December 1968)

The maximum summer power for the first time exceeded the maximum winter power (transition to summer peak type)

Operation of Unit 4 at Himeji No. 2 Power Station (450,000 kW, total 1,350,000 kW), first two-stage reheat with supercritical pressure

Operation of Unit 1 at the first nuclear power plant of our company, Mihama Power Station (340,000 kW)

Operation of Units 1 and 2 at the first pure pumped-storage power plant in Japan, Kisenzan Power Station (both 233,000 kW)

Operation of Unit 5 at Himeji No. 2 Power Station (600,000 kW, total 1,950,000 kW). Automatic temperature and pressure rise using a computer, thermal power plant 10,030,000 kW

With the completion of the 500 kV voltage-raising works on the Wakasa Main Line (inner side) and the West Kyoto Substation, the 500 kV main system was completed and began operation

Commencement of Operations at Himeji LNG Facility

First introduction of TQC in the power industry

First receipt of the Deming Prize outside manufacturing and construction industries

Annual sales electricity volume exceeded 100 billion kWh

Core system power plants fully operational, establishing a backup system at the central power command center

Incident of Fine Tube Breakage in Steam Generator of Mihama Unit 2

Established the Nuclear Safety System Research Institute as a lesson from the Mihama Unit 2 accident

After the Hanshin-Awaji Great Earthquake, about 2.6 million homes in the Hanshin area experienced power outages (2.836 million kW); emergency power restoration completed 153 hours later

The Electric Utility Act was amended for the first time in 31 years, easing regulations on wholesale electricity businesses

Electricity price reduction; first implementation of wholesale electricity bidding

Electricity price reduction

First overseas power generation project by a power company: participation in the Sanloke Hydropower Project in the Philippines

Amendment of the Electric Utility Act, starting retail liberalization of electricity; first electricity price reduction through notification

Maximum power update (33.06 MW)

Development of the CO₂ refrigerant heat pump water heater "EcoCute"

Electricity price reduction

Completion of the introduction of constant rated thermal output operation at all nuclear power plants

Our power company obtained the "Eco Leaf Environmental Label" certification

Secondary piping rupture accident at Mihama Power Plant Unit 3

Start of commercial operation of Unit 1 at Maizuru Power Plant

First adoption of a cross-compound type in our steam turbine

Electricity price reduction

Announcement of the plan to implement measures to prevent recurrence of the Mihama Power Plant Unit 3 accident

Electricity price reduction

Announcement of the Kansai Electric Power Group Mid- to Long-Term Plan

Electricity rate cut

Mihama Line No.21 tower accident

Completion of our first company-owned vessel "LNG Ebisu"

Launch of the "Electricity Usage Inquiry Service"

Announcement of the "Kansai Electric Power Group Long-Term Growth Strategy 2030"

Winter maximum power update (26.65 MW)

The Sakai Solar Power Plant, the first megasolar plant operated by a power company in our country, has begun full-scale commercial operation

The Awaji Wind Power Plant, the first wind farm of our group, has started operation

Electricity rate increase

Himeji Second Power Plant Unit 1 has begun commercial operation, upgrading to a combined cycle generation system using a new 1,600°C class gas turbine

Certified as "Osaka City Women Empowerment Leading Company"

Electricity rate increase

Received the Osaka City Women’s Empowerment Leading Company Mayor Award – Excellence Award.

Formulated the "Corporate Philosophy", "Our Basic Attitude", "Kansai Power Group Vision", and "Brand Statement".

Commenced full liberalization of electricity retail.

Formulated the "Kansai Power Group Mid-term Management Plan (2016-2018)".

Formulated the "Zero Carbon Vision 2050".

Formulated the "Corporate Philosophy" and the "Kansai Power Group Mid-term Management Plan (2021-2025)".

Legal separation of the transmission and distribution division.

Achieved a system of seven nuclear power plants.

Update of the Kansai Electric Power Group Mid-Term Management Plan (2021-2025)

Our first, one of Japan's largest, battery storage facility "Kino River Battery Storage" began operation. *At the time of operation, according to our investigation*

Our first, the Kinosawa Energy Storage Facility, the largest in Japan, has begun operation

At Himeji No. 2 Power Station, the large industrial gas turbine achieved the first hydrogen generation in Japan with a 30% (volume ratio) co-firing rate

Formulation of the Kansai Electric Power Group Management Plan 2026

75th Anniversary of Establishment

Our company celebrated its 75th anniversary on May 1, 2026. This is thanks to the long-standing warm understanding and support of our customers and society, and we express our heartfelt gratitude.

Our company celebrated its 75th anniversary on May 1, 2026.