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Data Set
SASB Standards
Environment
Greenhouse Gas Emissions & Energy Resource Planning
| Code | Accounting Metric | Cate gory |
Unit of Measure | FY2022 | FY2023 | FY2024 | Remark | |
|---|---|---|---|---|---|---|---|---|
| IF-EU-110a.1 | (1) Gross global Scope 1 emissions | Quanti tative |
t-CO2 | 205,000 | 215,000 | 221,000 | ||
| (2) Percentage covered under emissions-limiting regulations | Quanti tative |
% | 0 | 0 | 0 | There is no “regulated market” in Japan. | ||
| (3) Percentage covered under emissions-reporting regulations | Quanti tative |
% | 95 | 94 | 95 | Emissions-reporting regulations indicate reports of greenhouse gas (CO2, N2O, SF6, HFCs) emissions based on the Act on Promotion of Global Warming Countermeasures. | ||
| IF-EU-110a.2 | Greenhouse gas (GHG) emissions associated with power deliveries | Adjusted emissions | Quanti tative |
t-CO2 | 81,700,000 | 92,020,000 | 90,550,000 | Adjusted emissions indicate the amount of CO2 emissions after reflecting adjustments related to the renewable energy feed-in tariff system based on the Act on Promotion of Global Warming Countermeasures. |
| Basic emissions | Quanti tative |
t-CO2 | 67,500,000 | 78,530,000 | 78,590,000 | |||
| IF-EU-110a.3 | Discussion of long-term and short-term strategy or plan to manage Scope 1 emissions, emissions reduction targets, and an Analy sis of performance against those targets |
Discu ssion and Analy sis |
- |
The TEPCO Group has set a target of reducing CO2 emissions from electricity sales¹ by 50% by fiscal 2030 (compared to fiscal 2013²) and achieving virtually zero CO2 emissions from energy supply by 2050. These targets also include Scope 1 emissions.
Through initiatives such as building an optimal procurement portfolio that includes non-fossil power sources, we are committed to both “stabilizing electricity prices” and “achieving CO2 reduction targets.” CO2 emissions, which were 139.2 million tons in fiscal 2013, have been reduced by 44% to 78 million tons*³ in fiscal 2024 through measures such as improved power procurement and the purchase of non-fossil certificates. *1 CO2 emissions associated with electricity sold by TEPCO Energy Partner (EP), including Scope 1 (e.g., EP vehicle use), Scope 2 (e.g., electricity use in EP offices), and Scope 3 (emissions from electricity delivered to customers). *2 For Scope 1 and 2, the comparison is with fiscal 2019. *3 FY2024 CO2 emissions are preliminary figures. |
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Air Quality
Emissions of the following air pollutants to the atmosphere
| Code | Accounting Metric | Cate gory |
Unit of Measure | FY2022 | FY2023 | FY2024 | Remark | |
|---|---|---|---|---|---|---|---|---|
| IF-EU-120a.1 | (1) Air emissions of NOx (excluding N₂O) | Quanti tative |
t | 2,000 | 2,000 | 2,000 | ||
| Quanti tative |
% | 100 | 100 | 100 | ||||
| (2) Air emissions of SOx | Quanti tative |
t | <1,000 | <1,000 | <1,000 | |||
| Quanti tative |
% | 100 | 100 | 100 | ||||
| (3) Air emissions of particulate matter (PM10) | Quanti tative |
t | Not disclosed | Not disclosed because the measurement method recommended by SASB Standards is not followed. | ||||
| (4) Air emissions of lead (Pb) | Quanti tative |
t | Not applicable | Since FY2019, there have been no emission facilities that fall under the Air Pollution Control Law. | ||||
| (5) Air emissions of mercury (Hg) | Quanti tative |
t | Not applicable | |||||
Water Management
| Code | Accounting Metric | Cate gory |
Unit of Measure | FY2022 | FY2023 | FY2024 | Remark | |
|---|---|---|---|---|---|---|---|---|
| IF-EU-140a.1 | (1) Total water withdrawn | Quanti tative |
1000m3 | 50,621,370 | 41,352,728 | 41,543,159 | ||
| Percentage of total water withdrawn in regions with High or Extremely High Baseline Water Stress | Quanti tative |
% | 0 | 0 | 0 | |||
| (2) Total water consumed | Quanti tative |
1000m3 | <1 | 3 | <1 | |||
| Percentage of total water consumed in regions with High or Extremely High Baseline Water Stress | Quanti tative |
% | 0 | 0 | 0 | |||
| IF-EU-140a.2 | Number of incidents of non-compliance associated with water quantity and/or quality permits, standards, and regulations | Quanti tative |
Number | 0 | 0 | 0 | ||
| IF-EU-140a.3 | Description of water management risks and discussion of strategies and practices to mitigate those risks | Discu ssion and Analy sis |
- |
The TEPCO Group operates hydroelectric power plants in more than 200 locations in Honshu, Japan, and the amount of power generation accounts for about 98% of the total. The use of water resources is essential for a clean hydroelectric power generation business that does not emit CO2 during power generation, and the following risk management is carried out.
At dams and downstream of embankments at hydroelectric power plants, the water necessary to maintain the environment of the river is discharged, and the amount of water withdrawn from the river for power generation complies with the amount of water intake permitted by law. In addition, when river flooding due to heavy rain is expected, water will be discharged in advance from the dam based on the flood control agreement with the national government, and it plays an important role in reducing heavy rain damage in regional disaster prevention. The results of verifying water stress in the area where our facility is located by using “WRI Aqueduct Water Risk Atlas” tool to identify water risk are as follows. According to the "Baseline Water Stress", water stress is "Medium-high" at the maximum in the business area of the TEPCO Group. So there are no facilities such as hydroelectric power plants in water-stressed areas, and it is assumed that the frequency of water-related risks such as drought is low. In "Future Water Stress", there is a suggestion that water stress may not change a lot. However, with reference to this result, we will carry out risk assessment based on the actual water usage conditions at specific rivers and basins, as well as at power plants locations, and will continue to strive for risk management. In the future, we will consider long-term strategies regarding the impact of physical risks on our facilities such as floods due to climate change. |
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Coal Ash Management
| Code | Accounting Metric | Cate gory |
Unit of Measure | FY2022 | FY2023 | FY2024 | Remark | |
|---|---|---|---|---|---|---|---|---|
| IF-EU-150a.1 | Amount of coal combustion products (CCPs) generated | Quanti tative |
t | 0 | 0 | 0 | Amount of coal ash (fly ash and bottom ash) generated. | |
| Percentage of coal combustion products (CCPs) recycled | Quanti tative |
% | - | - | - | |||
| IF-EU-150a.3 | Description of coal combustion products (CCPs) management policies and procedures for active and inactive operations | Discu ssions and Analy sis |
- | Our business operations do not generate any coal combustion products (CCPs). | ||||
Human Capital
Workforce Health & Safety
| Code | Accounting Metric | Cate gory |
Unit of Measure | FY2022 | FY2023 | FY2024 | Remark | |
|---|---|---|---|---|---|---|---|---|
| IF-EU-320a.1 |
(1) Total recordable incident rate (TRIR) <Employees>
(per 200,000 hours) |
Quanti tative |
% | 0.04 | 0.05 | 0.02 | The incidents in these indicators refer to work-related injuries that result in a leave of absence, excluding non-injury-related incidents. | |
|
Total recordable incident rate (TRIR) <Contractor/Consignors>
(per 200,000 hours) |
Quanti tative |
% | 0.13 | 0.12 | 0.16 | |||
| (2) Fatality rate <Employees> | Quanti tative |
% | 0 | 0 | 0 | |||
| Fatality rate <Contractor/Consignors> | Quanti tative |
% | 0.01 | 0 | 0.01 | |||
|
(3) Near miss frequency rate (NMFR) <Employees>
(per 200,000 hours) |
Quanti tative |
% | 0.09 | 0.06 | 0.07 | |||
|
Near miss frequency rate (NMFR) <Contractor/Consignors>
(per 200,000 hours) |
Quanti tative |
% | 0.19 | 0.22 | 0.24 | |||
Business-Model & Innovation
End-Use Efficiency & Demand
| Code | Accounting Metric | Cate gory |
Unit of Measure | FY2022 | FY2023 | FY2024 | Remark | |
|---|---|---|---|---|---|---|---|---|
| IF-EU-420a.2 | Percentage of electric load served by smart grid technology | Quanti tative |
% | (1) 100 [%] | (1) 100 [%] | (1) 100 [%] |
(1) The rate of smart meters installed in all service areas of the TEPCO Power Grid
(2) The number of smart meters installed in all service areas of the TEPCO Power Grid * Since the installation has been completed in all households except for some places where replacement work is difficult, the values for FY2020 are listed after FY2021. |
|
| (2) 28.40 mil. | (2) 28.40 mil. | (2) 28.40 mil. | ||||||
| IF-EU-420a.3 | Customer electricity savings from efficiency measures, by market | Quanti tative |
MWh |
The number of orders for energy services:
Over 400 Energy-saving introductions through online services: Approx. 10.71 million (number of registered members of online services) |
As an alternative Quanti tative metric for reduced electricity consumption, we disclose the number of orders for energy services and the number of energy-saving introductions through online services. * TEPCO Energy Partner provides various solutions to promote electrification and energy saving for customers. Reference Pages: For corporate customers(Japanese only) For residential customers * Online services refer to “Kurashi TEPCO web” and “Business TEPCO,” which are free services provided by TEPCO Energy Partner. These services deliver useful information to customers, such as tips for efficient electricity use, through features like monthly electricity bill and usage comparisons in graph format. |
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Leadership & Governance
Nuclear Safety & Emergency Management
| Code | Accounting Metric | Cate gory |
Unit of Measure | FY2022 | FY2023 | FY2024 | Remark | |
|---|---|---|---|---|---|---|---|---|
| IF-EU-540a.1 | Total number of nuclear power units, broken down by U.S. Nuclear Regulatory Commission (NRC) Action Matrix Column | Quanti tative |
Number | 17 Units (Fukushima Daiichi: 6 Units, Fukusima Daini: 4 Units, Kashiwazaki-Kariwa: 7 Units) |
* All units at Fukushima Daiichi are decommissioning. The decision has been made to decommission all units at Fukushima Daini. All units at Kashiwazaki-Kariwa have been shut down.
* The Kashiwazaki-Kariwa Nuclear Power Station is conducting safety measures and integrity checks. |
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| IF-EU-540a.2 | Description of efforts to manage nuclear safety and emergency preparedness | Discu ssion and Analy sis |
- | For the governance of our nuclear operations, monitoring and auditing are conducted by the Board of Directors and the Audit Committee, alongside audits by the Internal Audit Office. Additionally, an independent organization, the Nuclear Safety Oversight Office, monitors activities separate from the Nuclear Power and Decommissioning Division. To further enhance the monitoring of physical protection, we have established the Physical Protection Monitoring Office, which reports directly to the President. Moreover, the Nuclear Reform Monitoring Committee, an advisory body to the Board of Directors composed of domestic and international experts, oversees and supervises our nuclear operations from an external perspective. | ||||
Grid Resiliency
| Code | Accounting Metric | Cate gory |
Unit of Measure | FY2022 | FY2023 | FY2024 | Remark | |
|---|---|---|---|---|---|---|---|---|
| IF-EU-550a.1 | Number of incidents of non-compliance with physical and/or cybersecurity standards or regulations | Quanti tative |
Number | Not disclosed | We do not disclose the results in light of the risks of cyber attackes that may be caused by dislclosing the results. | |||
| IF-EU-550a.2 | (1) System Average Interruption Duration Index (SAIDI), inclusive of major event days | Quanti tative |
Minutes | 5 | 5 | 6 | ||
| IF-EU-550a.2 | (2) System Average Interruption Frequency Index (SAIFI), inclusive of major event days | Quanti tative |
Times | 0.13 | 0.07 | 0.08 | ||
| IF-EU-550a.2 | (3) Customer Average Interruption Duration Index (CAIDI), inclusive of major event days | Quanti tative |
Minutes | 38.46 | 71.43 | 75 | ||
Activity Metrics
| Code | Activity Metric | Cate gory |
Unit of Measure | FY2022 | FY2023 | FY2024 | Remark | |
|---|---|---|---|---|---|---|---|---|
| IF-EU-000.A | (1) Number of residential customers served | Quanti tative |
Number | 14,703,000 | 14,801,000 | 14,551,000 | Total of TEPCO EP consolidated (FY2022・2023：EP/TCS/PinT FY2024：EP/PinT) | |
| (2) Number of commercial customers served | Quanti tative |
Number | 182,000 | 190,000 | 179,000 |
Total of (2) and (3)
Total of TEPCO EP consolidated (FY2022・2023：EP/TCS/PinT FY2024：EP/PinT) |
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| (3) Number of industrial customers served | Quanti tative |
Number | ||||||
| Reference：Number of contracts for low-pressure supply contracts excluding household use | Quanti tative |
Number | 7,346,000 | 7,393,000 | 7,346,000 | Total of TEPCO EP consolidated (FY2022・2023：EP/TCS/PinT FY2024：EP/PinT) | ||
| IF-EU-000.B | (1) Total electricity delivered to residential customers | Quanti tative |
MWh | 61,653,000 | 61,173,000 | 62,243,000 | Total of TEPCO EP consolidated (FY2022・2023：EP/TCS/PinT FY2024：EP/PinT) | |
| (2) Total electricity delivered to commercial customers | Quanti tative |
MWh | 111,692,000 | 127,061,000 | 118,692,000 |
Total of (2) and (3)
Total of TEPCO EP consolidated (FY2022・2023：EP/TCS/PinT FY2024：EP/PinT) |
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| (3) Total electricity delivered to industrial customers | Quanti tative |
MWh | ||||||
| (4) Total electricity delivered to all other retail customers | Quanti tative |
MWh | 4,927,000 | 5,151,000 | 5,456,000 |
low-pressure supply contracts excluding household use
Total of TEPCO EP consolidated (FY2022・2023：EP/TCS/PinT FY2024：EP/PinT) |
||
| (5) Total electricity delivered to wholesale customers | Quanti tative |
MWh | 57,959,000 | 32,519,000 | 41,439,000 | Total (excluding indirect auctions) of TEPCO EP consolidated (EP/TCS/PinT), TEPCO PG (including inter-regional), and TEPCO RP consolidated (RP/Tokyo Electric Generation) | ||
| IF-EU-000.C | Length of transmission lines <Overhead> | Quanti tative |
km | 28,480 | 28,410 | 28,453 | ||
| Length of transmission lines <Underground> | Quanti tative |
km | 12,557 | 12,589 | 12,692 | |||
| Length of distribution lines <Overhead> | Quanti tative |
km | 345,095 | 345,883 | 346,620 | |||
| Length of distribution lines <Underground> | Quanti tative |
km | 39,449 | 39,741 | 39,971 | |||
| IF-EU-000.D | Total electricity generated, Percentage of electricity generated from major energy resources、Percentage generated in regulated markets | Quanti tative |
MWh | 12,248,000 | 11,225,000 | 10,893,000 | Since fiscal 2019, TEPCO’s thermal power generation business has been transferred to JERA Co., Inc. | |
| Percentage by major energy source <coal> | Quanti tative |
% | 0 | 0 | 0 | |||
| Percentage by major energy source <natural gas> | Quanti tative |
% | 0 | 0 | 0 | |||
| Percentage by major energy source <nuclear> | Quanti tative |
% | 0 | 0 | 0 | |||
| Percentage by major energy source <petroleum> | Quanti tative |
% | 1 | 1 | 1 | |||
| Percentage by major energy source <hydropower> | Quanti tative |
% | 98 | 98 | 98 | |||
| Percentage by major energy source <solar> | Quanti tative |
% | 0.2 | 0.2 | 0.3 | |||
| Percentage by major energy source <wind> | Quanti tative |
% | 0.3 | 0.3 | 0.3 | |||
| Percentage by major energy source <other renewables> | Quanti tative |
% | 0.1 | 0.2 | 0.3 | |||
| Percentage by major energy source <other gases> | Quanti tative |
% | 0 | 0 | 0 | |||
| Percentage in regulated markets | Quanti tative |
MWh,
% |
Not applicable | There is no “regulated market” in Japan. | ||||
| IF-EU-000.E | Total wholesale electricity purchased | Quanti tative |
MWh | Not disclosed | Not disclosed due to competition through electricity market liberalization. | |||
Social Capital
Energy Affordability
gory
tative
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Shown as "No results" since supply suspension and resumption are not stipulated in the Terms and Conditions.
ssion
and Analy
sis
We also recognize that external factors which impact electricity rates are fluctuations in the price of thermal power fuels and levies from the Feed-in-tariff law for renewable energies.(price based regulations: requires electricity companies to purchase renewable energy at a certain price)