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Performance Data

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Environment

Environmental management

Compliance with environmental laws and regulations

Index Scope of Data Results
FY2022 FY2023 FY2024 FY2025
Environmental accidents and violation of environmental laws/regulations Significant environmental accidents IHI and consolidated subsidiaries 0 0 0 0
Major violation of environmental laws/regulations IHI and consolidated subsidiaries 0 0 0 0
Number of cases IHI paid fines, penalties, etc. IHI and consolidated subsidiaries 0 0 0 0

Costs to reduce the IHI environmental impact

Index Scope of Data Results
FY2022 FY2023 FY2024 FY2025
Investments (millions of yen) IHI plants and offices 563 1,048 1,377 2,179
Expenditures (millions of yen) IHI plants and offices 151 365 778 591

Environment-related capital investments

Index Scope of Data Results
FY2022 FY2023 FY2024 FY2025
Energy-saving/climate change measures (millions of yen) IHI plants and offices 127 517 872 1,543
Environmental risk measures (millions of yen) IHI plants and offices 432 532 505 636

External evaluation

Index Scope of Data Results
FY2022 FY2023 FY2024 FY2025
CDP Climate change IHI and consolidated subsidiaries B
(Management)		 B
(Management)		 B
(Management)		 B
(Management)
Water security IHI and consolidated subsidiaries ─ ─ C
(Awareness)		 C
(Awareness)

Climate change

GHG

Index Scope of Data Results
FY2022 FY2023 FY2024 FY2025
GHG emissions (Scope 1 + Scope 2) (t-CO2e)*1 IHI and consolidated subsidiaries 215,753 211,970 197,274 158,073

Scope1 (t-CO2e)

 IHI and consolidated subsidiaries 61,469 65,033 57,951 53,942

Scope 2 (market-based) (t-CO2)

 IHI and consolidated subsidiaries 154,284 146,937 139,322 104,130
GHG emissions intensity (t-CO2e/100 million yen)*2 IHI and consolidated subsidiaries 15.9 16.0 12.1 9.6
GHG Emissions (Scope 3) (t-CO2e) 184,475,000 403,575,000 357,089,456 341,256,290

Category 1 Purchased goods and services

 IHI and consolidated subsidiaries 4,665,000 5,130,000 5,455,000 2,904,352

Category 2 Capital goods

 IHI and consolidated subsidiaries 205,000 239,000 326,000 327,000

Category 3 Fuel and energy-related activities not included in Scope 1 or Scope 2

 Domestic consumption of electric power and city gas only 13,000 13,000 13,000 10,000

Category 4 Upstream transportation and delivery

 IHI and some domestic consolidated subsidiaries*3 1,000 1,000 5,000 27,000

Category 5 Waste generated in operations

 IHI and consolidated subsidiaries 8,000 9,000 9,000 9,000

Category 6 Business travel

 IHI and consolidated subsidiaries 14,000 14,000 14,000 14,000

Category 7 Employee commuting

 IHI and consolidated subsidiaries 4,000 4,000 4,000 4,000

Category 8 Upstream leased assets

 ─ ─ ─ ─ ─

Category 9 Downstream transportation and distribution

 ─ ─ ─ ─ ─

Category 10 Processing of sold products

 ─ ─ ─ ─ ─

Category 11 Use of sold products

 IHI and consolidated subsidiaries 179,565,000 398,165,000 351,263,456 337,960,938

Category 12 End-of-life treatment of sold products

 ─ ─ ─ ─ ─

Category 13 Downstream leased assets

 ─ ─ ─ ─ ─

Category 14 Franchises

 ─ ─ ─ ─ ─

Category 15 Investments

 ─ ─ ─ ─ ─

Energy

Index Scope of Data Results
FY2022 FY2023 FY2024 FY2025
Energy consumption (TJ)*1 IHI and consolidated subsidiaries 2,294 2,322 2,218 2,187

Fuel consumption (TJ)

 IHI and consolidated subsidiaries 1,019 1,070 993 977

Electricity consumption (TJ)

 IHI and consolidated subsidiaries 1,230 1,184 1,146 837

Heat consumption (TJ)

 IHI and consolidated subsidiaries 0 0 0 0

Renewable energy used (TJ)

 IHI and consolidated subsidiaries 45 69 79 374
Energy consumption intensity (TJ/10 billion yen)*2 IHI and consolidated subsidiaries 17.0 17.6 13.6 13.3

Circular economy and pollution prevention

Environmental impact

Index Scope of Data Results
FY2022 FY2023 FY2024 FY2025
Estimated Leakage Volume of Ozone-Depleting Substances (ODS) (t-CO2e) HCFC IHI and affiliated companies in Japan 45.4 112.2 8.8 29.6
Volatile organic compounds (VOC) emissions (tons) Toluene IHI and affiliated companies in Japan 48 48 52 38
Xylene IHI and affiliated companies in Japan 59 50 49 75
Ethylbenzene IHI and affiliated companies in Japan 37 39 40 40
Methyl isobutyl ketone IHI and affiliated companies in Japan 0 4 6 6
Tetrachloroethylene IHI and affiliated companies in Japan 2 2 2 2
Chemical substance emissions/substances transferred (tons) Emissions (atmosphere, public bodies of water, soil) IHI and affiliated companies in Japan 152 150 161 172
Transferred amount (sewage/waste) IHI and affiliated companies in Japan 85 93 63 56
Ratio of treated toxic waste (waste containing PCBs) (%) Electrical equipment containing high-concentration PCBs IHI and affiliated companies in Japan 100 100 100 100
Electrical equipment containing low-concentration PCBs IHI and affiliated companies in Japan 97.5 94.9 91.3 99.9
Electrical ballasts IHI and affiliated companies in Japan 69.5 83.7 99.7 100

Waste

Index Scope of Data Results
FY2022 FY2023 FY2024 FY2025
Waste emissions (tons) IHI and consolidated subsidiaries 23,044 25,410 21,942 20,254
 Of which, toxic waste emissions (tons) IHI and consolidated subsidiaries 156 128 150 232
Amount of valuable materials (recycled) (tons) IHI and consolidated subsidiaries 17,869 15,219 16,310 14,530

Water

Index Scope of Data Results
FY2022 FY2023 FY2024 FY2025
Water withdrawal (1,000 ㎥)*1 IHI and consolidated subsidiaries 4,037 5,844 4,662 4,289

Public water (1,000 ㎥)

 IHI and consolidated subsidiaries 670 2,326 728 753

Industrial water (1,000 ㎥)

 IHI and consolidated subsidiaries 737 738 704 735

Groundwater (1,000 ㎥)

 IHI and consolidated subsidiaries 1,451 1,506 1,472 1,203

Rainwater, rivers, lakes, etc. (1,000 ㎥)

 IHI and consolidated subsidiaries 1,180 1,274 1,758 1,598
Waste water (1,000 ㎥) IHI and consolidated subsidiaries 3,181 4,856 3,746 3,353
  1. The total value for each item is rounded off and may not match the figures in the breakdown.
  2. The denominator of the intensity is net sales revenue.
  3. From FY2024, the scope of calculation has changed from IHI Corporation to IHI and some domestic consolidated subsidiaries.

Society

Human resource management/human resource development

Number of employees

Index Scope of Data Results
FY2022 FY2023 FY2024 FY2025
Consolidated number of employees IHI and consolidated subsidiaries 28,486 28,237 27,990 26,224
Number of employees (IHI) IHI 7,768 7,840 7,911 8,199

Male*

 IHI 6,695 6,753 6,773 7,026

Female*

 IHI 1,073 1,087 1,138 1,166

Ratio of female employees (%)

 IHI 13.8 13.9 14.4 14.2

The scope of the analysis is limited to employees whose gender information could be confirmed.

Average years of service

Index Scope of Data Results
FY2022 FY2023 FY2024 FY2025
All employees IHI 16.5 16.6 16.1 15.6

Male

 IHI 16.6 16.7 16.2 15.7

Female

 IHI 15.8 16.0 15.4 15.0

Turnover rate

Index Scope of Data Results
FY2022 FY2023 FY2024 FY2025
Total turnover rate (%) IHI 2.7 2.8 2.7 2.9

Rate of retirement due to personal reasons (%)

 IHI 1.5 1.5 1.5 1.4

Turnover rate within 3 years of joining the company (%)

 IHI 5.5 5.3 4.6 3.3

Employment*

Index Scope of Data Results
FY2022 FY2023 FY2024 FY2025
Number of new graduate recruitments IHI and affiliated companies in Japan — 358 384 362

Male

 IHI and affiliated companies in Japan — 302 320 304

Female

 IHI and affiliated companies in Japan ─ 56 64 58

Ratio of female employees (%)

 IHI and affiliated companies in Japan — 16 17 16
Number of mid-career hires IHI and affiliated companies in Japan — 327 468 598

Engagement

Index Scope of Data Results
FY2022 FY2023 FY2024 FY2025
Employee engagement index (out of 100) IHI and affiliated companies 53 54 55 59
Ratio of answered employee-awareness surveys (%) IHI and affiliated companies 84 83 85 86
Employee union membership rate (%) IHI and affiliated companies in Japan 60 62 63 68
Number of labor complaints received IHI 0 0 0 0

Human resources development

Index Scope of Data Results
FY2022 FY2023 FY2024 FY2025

Number of employees undergoing regular career development reviews

 IHI and affiliated companies in Japan 15,327 14,939 14,455 12,500

Male

 IHI and affiliated companies in Japan 13,024 12,605 12,191 10,438

Female

 IHI and affiliated companies in Japan 2,303 2,334 2,264 2,062
Average annual training hours per employee IHI and affiliated companies in Japan 14.3 34.9 23.4 24.2
Training expense per employee (yen) IHI and affiliated companies in Japan 23,512 40,380 40,432 47,351

Diversity, Equity, and Inclusion (DE&I)

Employee diversity

Index Scope of Data Results
FY2022 FY2023 FY2024 FY2025
Number of officers*1 IHI 17 17 17 17

Number of male officers

 IHI 14 14 12 12

Number of female officers

 IHI 3 3 5 5

Ratio of female officers (%)

 IHI 18 18 29 29

Number of managers*2

 IHI 2,643 2,707 2,622 2,792

Number of male managers

 IHI 2,519 2,563 2,469 2,621

Number of female managers

 IHI 124 144 153 171

Number of female general managers

 IHI 38 39 42 43

Number of female section managers

 IHI 86 105 111 128

Ratio of female managers (%)*2

 IHI 4.7 5.3 5.8 6.1

Ratio of female general managers (%)

 IHI 3.6 3.7 4.1 3.9

Ratio of female section managers (%)

 IHI 5.4 6.4 6.9 7.6
Number of employees from abroad*2 IHI 66 59 36 60
Recruitment ratio of people with disabilities (%)*3 IHI 2.55 2.62 2.58 2.64
Re-employment rate of employees at retirement age (%) IHI 100 81 78 85
  1. As of July 1 each year, members of the Board of Directors and Audit & Supervisory Board.
  2. As of April 1 each year.
  3. As of June 1 each year.

Work-life balance

Index Scope of Data Results
FY2022 FY2023 FY2024 FY2025
Employees with reduced work hours IHI 140 141 167 125
Employees who have taken childcare leave IHI 1,010 995 1,212 1,265

Employees who have taken parental leave

 IHI 198 185 233 262

Male

 IHI 78 89 142 185

Female

 IHI 120 96 91 77
Percentage of employees who return to work after parental leave (%) IHI 99.6 98.3 100 100
Employees who have taken nursing care leave IHI 3 10 13 2
Average annual paid vacation days taken IHI 18.7 19.8 19.6 19.5
Monthly average overtime (hours) IHI 21.6 21.9 21.3 22.1
Annual work hours IHI 1,984.5 1,972.7 1,966.5 1,976.3

Occupational health and safety/well-being

Occupational health and safety

Index Scope of Data Results
FY2022 FY2023 FY2024 FY2025
Participation rate of medical check-ups (%) IHI and consolidated subsidiaries in Japan 96 98 98 100
Rate of diagnoses made as a result of medical checkups (%) IHI and consolidated subsidiaries in Japan 72 72 73 73
Participation rate of stress checks (%) IHI and consolidated subsidiaries in Japan 97 96 97 96
High stress rate (%) IHI and consolidated subsidiaries in Japan 9 10 7 9
Absenteeism (Ratio of employees who take three or more months of leave) (%) IHI and consolidated subsidiaries in Japan 1.3 1.4 1.4 1.9
Presenteeism (Ratio of employees with restricted hours) (%) IHI and consolidated subsidiaries in Japan 1.7 2.3 1.9 2.2
Smoking rate (%) IHI and consolidated subsidiaries in Japan 25 25 25 25
Rate of occupational diseases*1 IHI and consolidated subsidiaries in Japan 0.098 0.098 0.098 0.104
Deaths due to occupational diseases or illnesses IHI and consolidated subsidiaries in Japan 0 0 0 0
Total injuries frequency rate*2 IHI and consolidated subsidiaries in Japan 1.37 1.33 1.50 1.19
Lost time injuries frequency rate*3 IHI and consolidated subsidiaries in Japan 0.39 0.34 0.42 0.29
Occupational health and safety rate Works Divisions IHI and consolidated subsidiaries in Japan 0.89 0.95 1.21 0.55
Construction Divisions IHI and consolidated subsidiaries in Japan 2.30 2.10 2.13 2.80
Occupational accidents*4 IHI and consolidated subsidiaries in Japan 56（0） 54（0） 66（1） 50（0）

Employees

 IHI and consolidated subsidiaries in Japan 25（0） 26（0） 39（1） 19（0）

Temporary employees

 IHI and consolidated subsidiaries in Japan 4（0） 2（0） 8（0） 4（0）

Partners

 IHI and consolidated subsidiaries in Japan 27（0） 26（0） 19（0） 27（0）
Number of administrative penalties due to Labor Standards Act violations IHI and affiliated companies in Japan 0 0 0 0
  1. People suffering from occupational diseases per million working hours.
  2. Fatalities or injuries caused by occupational accidents per million working hours.
  3. Fatalities or injuries caused by occupational accidents per million working hours (excluding injuries with no time lost).
  4. Fatalities or injuries caused by occupational accidents. Figure inside parentheses indicates fatal incidents.

Corporate citizenship

Social contribution activities

Index Scope of Data Results
FY2022 FY2023 FY2024 FY2025
Social contribution expenses (millions of yen) IHI and consolidated subsidiaries 489 532 483 547

Governance

Corporate governance

Corporate governance

Index Scope of Data Results
FY2022 FY2023 FY2024 FY2025
Average attendance of Independent Directors Board of Directors meetings (%) IHI 99 97 100 100
Average attendance of Independent Audit & Supervisory Board Members Board of Directors meetings (%) IHI 98 100 94 98
Audit & Supervisory Board meetings (%) IHI 100 100 100 100

Compliance

Legal compliance

Index Scope of Data Results
FY2022 FY2023 FY2024 FY2025
Number of law violations Competition law IHI and consolidated subsidiaries 0 0 1 0
Anti-corruption law IHI and consolidated subsidiaries 0 0 0 0
Laws/regulations relating to PR activities IHI and consolidated subsidiaries 0 0 0 0
Expenditure Lobbying, interest groups (millions of yen) IHI 0 0 0 0
Political organizations (millions of yen)*1 IHI 10 10 10 10
Economic and industry organizations (millions of yen)*2 IHI 177 178 208 241
Other (such as expenditure related to ballot measures or referendums) (millions of yen) IHI 0 0 0 0
Number of Compliance Hotline Reports IHI and affiliated companies 286 314 246 242

Of which, the number of compliance violations recognized

 IHI and affiliated companies ─ ─ 9 6
Number of compliance training participants*3 Quality & Compliance Training (Japan) IHI and affiliated companies in Japan*4 25,870 25,379 26,566 26,597
Quality & Compliance Training (overseas) Affiliated companies overseas*4 5,334 5,072 5,923 5,204
Number of competition law/anti-corruption law training participants (Total) IHI and consolidated subsidiaries 2,007 51,222 47,246 50,352

Competition law (Total)

 IHI and consolidated subsidiaries 622 26,148 24,016 23,371

Anti-corruption law (Total)

 IHI and consolidated subsidiaries 1,385 25,074 23,230 26,981
  1. The recipient of the expenditure is the People’s Political Association.
  2. The main recipients of expenditure to economic and industry organizations are the Society of Japanese Aerospace Companies, Japan Business Federation (Keidanren), and the Japan Bridge Association.
  3. Participants include officers, employees, temporary employees, re-hired employees, advisors and contract employees, part-time employees, and fixed-term employees.
  4. The scope has been revised.

Innovation management

Technology development

Index Scope of Data Results
FY2022 FY2023 FY2024 FY2025
Research and development expenses (billions of yen) IHI Group 34.0 39.3 34.0* 39.6

Research and development expenses for FY2024 have been revised.

Intellectual property protection

Index Scope of Data Results
FY2022 FY2023 FY2024 FY2025
Number of Patents Granted Domestic patents IHI 4,153 4,170 4,049 4,097
Foreign patents IHI 4,260 4,105 4,006 4,057

For both domestic and foreign patents, the counting method has been revised to be based on the number of inventions (i.e., the cumulative number of patent applications).

Information security

Information security measures

Index Scope of Data Unit Results
FY2022 FY2023 FY2024 FY2025
Evaluation of information security measures (out of 5) IHI and consolidated subsidiaries score 3.7 3.8 3.8 4.0
E-learning participation rate for information security IHI % 96.9 98.9 99.1 99.2
E-learning participation rate for generative AI IHI % ― ― ― 81.6

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