• Environment
• Environmental Impact Data for Domestic Operations
• Greenhouse Gas Emissions
• Society
• Governance

Environment

Environmental impact data marked with ★ are reviewed by Ernst & Young ShinNihon LLC and we received the Independent Assurance Report. For the standards and scope of the calculations, please refer to the link.

• J-POWER GROUP INTEGRATED REPORT 2026

Environmental Impact Data for Domestic Operations

1. *Coal intensity is the amount of coal consumed divided by the electric power sales volume of thermal power plants.
2. *The intensity for NOx, SOx, and soot and dust is calculated based on the amount of electricity generated at thermal power plants, which are the source of emissions.
3. *For N₂O and SF₆, we have revised the emission coefficient, global warming coefficient, and emission activities covered by the accounting and reporting system from the FY2023 data, in response to the revision to the ministerial ordinance on GHG emission calculation based on the Act on Promotion of Global Warming Countermeasures.
4. *Purchased electric power increased because, beginning in FY2025, all electricity used for pumping at pumped storage hydropower plants is recorded in line with a change in the treatment of periodic reports under the Act on Rationalizing Energy Use.

Greenhouse Gas Emissions^{*1, 2}

CO₂ Emission Intensity per Electric Power Sales Volume

1. *1The scope of coverage includes J-POWER and its consolidated subsidiaries and equity-method affiliates in the electric power business and oversea business. Consolidated subsidiaries and equity-method affiliates are aggregated for the portion equivalent to J-POWER’s equity stake.
2. *2Due to the nature of the products and services sold and the nature of the business, there is no energy consumption in the following categories.
   (4) Transportation and distribution (upstream), (8) Leased assets (upstream), (10) Processing of sold products
   (12) Disposal of sold products, (13) Leased assets (downstream), (14) Franchise
3. *3Beginning in FY2025, in line with a change in the treatment of periodic reports under the Act on Rationalizing Energy Use, all electricity used for pumping at pumped storage hydropower plants is accounted for as purchased electricity under Scope 2. Emissions attributable to pumping amounted to 0.97 million t-CO₂ (location criteria) and 1.05 million t-CO₂ (market criteria), respectively.

FY2025 Greenhouse Gas Emission Results

1. * Beginning in FY2025, in line with a change in the treatment of periodic reports under the Act on Rationalizing Energy Use, all electricity used for pumping at pumped storage hydropower plants is accounted for as purchased electricity under Scope 2.
   Emissions attributable to pumping amounted to 0.97 million t-CO₂ (location criteria) and 1.05 million t-CO₂ (market criteria), respectively.

Calculation Methods in Each Scope 3 Category

1. (1)Calculated by multiplying each product or service purchased by respective emission factor
2. (2)Calculated by multiplying the capital investment by the emission intensity
3. (3)Sum of the following two values
   1. 1)Emissions from production and transportation of fuel used by the company
   2. 2)Calculated by multiplying the amount of electricity procured from sources other than the company by the emission intensity
4. (5)Calculated by multiplying the amount of waste generated by waste type by the emission intensity of each treatment method
5. (6)Calculated by multiplying the number of employees by the emission intensity
6. (7)Calculated by multiplying the number of employees and number of business days by work type and by city class, respectively, by the emission intensity
7. (9)Calculated by multiplying the ton-kilometers of sold coal transported by the emission intensity
8. (11)Calculated by multiplying the volume of coal sold by the emission intensity
9. (15)CO₂ emissions from power plants in which J-POWER’s equity portion is less than 20%

Society

1. *1Unless specified otherwise, data on human resource is based on the non-consolidated data of J-POWER.
2. *2J-POWER Group employees (excluding temporary employees)
3. *3As of June 1 of each fiscal year
4. *4Average annual salary includes non-standard wages and bonuses.
5. *5Comparison of base salaries of employees in a career-track position. Ratio of female to male wages.
6. *6(Reference) Difference in wages between male and female workers calculated based on the Act on the Promotion of Women’s Active Engagement in Professional Life, all employees (61.1%), regular employees (60.5%), non-regular employees (75.6%)
7. *7The Company manages the utilization rate of childcare leave for each fiscal year of the birth of an employee’s child, and such rate of employees whose children become two years old in the relevant fiscal year is shown.

1. *8The number of fatalities and serious and minor injuries among occupational accidents involving J-POWER and J-POWER Transmission Network employees and occupational accidents involving their contractors occurred in construction and other operations
2. *9J-POWER Business Service Corporation, J-POWER HYTEC Co., Ltd., J-POWER Generation Service Co., Ltd., J-POWER Telecommunication Service Co., Ltd., J-POWER Design Co., Ltd.
3. *10Frequency = number of fatalities and injuries due to occupational accidents / total number of actual hours worked × 1,000,000. Contract workers are outside the reporting scope of “Industry-wide” data (directly hired workers are only included in the data) while the data of “J-POWER + five major Group companies + partner companies” includes contract workers.
4. *11Severity = total number of days of labor loss / total number of actual hours worked × 1,000. Contract workers are outside the reporting scope of “Industry-wide” data (directly hired workers are only included in the data) while the data of “J-POWER + five major Group companies + partner companies” includes contract workers.
5. *12Source: Ministry of Health, Labour and Welfare, Overview of Survey on Industrial Accidents in 2025 (survey on establishments with 100 or more regular employees and survey on general construction), June 16, 2026 (available only in Japanese)

Governance

(As of June 25, 2026)