S Social DataSustainability / ESG Information

Item Unit FY2020 FY2021 FY2022 FY2023 FY2024
Employees (JERA consolidated) *1 People 4,907 5,059 5,295 5,838 6,292
Employees (JERA only) *2
Total People 3,847 3,910 4,008 4,167 4,407
(full-time employees) People ― 3,900 3,999 4,162 4,402
(contract workers) People ― 10 9 5 5
Male People 3,557 3,581 3,638 3,712 3,873
(full-time employees) People ― 3,574 3,632 3,710 3,871
(contract workers) People ― 7 6 2 2
Female People 290 329 370 455 534
(full-time employees) People ― 326 367 452 531
(contract workers) People ― 3 3 3 3
Number of employees in O&M and Engineering division (JERA only) ― ― ― ― 2,774
Male People ― ― ― ― 2,631
Female People ― ― ― ― 143
Number of employees in the Digital division (JERA only) People ― ― ― ― 158
Male People ― ― ― ― 135
Female People ― ― ― ― 23
Average age (JERA only)
Total Age 44.7 44.6 45.1 44.4 43.8
Male Age 44.8 44.9 45.6 45.0 44.6
Female Age 42.2 41.6 40.8 38.9 37.8
Managers (JERA only) *3
Total managers People 730 713 841 1,034 1,162
Male People 698 677 796 977 1,084
Female People 32 36 45 57 78
Ratio of female managers % 4.4 5.0 5.4 5.5 6.7
Managers (mid-level) *4 People ― ― ― 649 758
Male People ― ― ― 608 701
Female People ― ― ― 41 57
Ratio of female managers % ― ― ― 6.3 7.5
Managers (senior level) *4 People ― ― ― 73 78
Male People ― ― ― 69 72
Female People ― ― ― 4 6
Ratio of female managers % ― ― ― 5.5 7.7
Managers (executive level) People ― ― ― 20 27
Male People ― ― ― 18 25
Female People ― ― ― 2 2
Ratio of female managers % ― ― ― 10.0 7.4
New graduate hires (JERA only) *5
Total People 51 79 92 139 134
Male People 43 68 62 96 85
Female People 8 11 29 43 49
Japanese nationals People ― 78 91 136 132
Chinese nationals People ― 1 1 2 1
South Korean nationals People ― 0 0 1 0
Mid-career hires (JERA only)
Total People 72 132 151 225 345
Male People 60 98 113 165 271
Female People 12 34 38 60 74
Japanese nationals People 62 125 142 212 335
Chinese nationals People 3 4 2 7 5
Indian nationals People 1 0 1 2 1
Other nationalities People 6 3 6 4 4
Total turnover rate (JERA only) *6
Total % ― 2.8 3.6 3.8 4.5
Male % ― 2.9 3.6 4.1 4.7
Female % ― 1.9 3.5 1.3 3.0
-29 % ― 2.1 3.3 0.7 1.0
30-39 % ― 1.0 2.3 1.8 2.2
40-49 % ― 0.7 0.8 0.9 1.5
50+ % ― 6.6 6.8 8.3 9.3
Voluntary turnover rate (JERA only) *6
Total % ― 1.3 2.0 1.8 1.5
Male % ― 1.2 1.9 1.9 1.5
Female % ― 1.6 3.0 0.7 1.5
-29 % ― 0.2 3.3 0.7 0.9
30-39 % ― 0.2 2.3 1.8 2.1
40-49 % ― 0.2 0.8 0.7 1.2
50+ % ― 0.7 2.4 3.0 1.7
Breakdown of employees by nationality (JERA only)
Japan % 99.30 99.16 99.13 98.82 98.73
China % 0.11 0.20 0.22 0.38 0.48
India % 0.05 0.05 0.07 0.10 0.09
USA % 0.05 0.08 0.07 0.10 0.09
UK % 0.08 0.05 0.05 0.05 0.02
Other *7 % 0.41 0.46 0.46 0.55 0.59
Breakdown of managers by nationality (JERA only)
Japan % 98.62 98.46 98.81 98.45 98.53
USA % 0.14 0.28 0.24 0.22 0.20
UK % 0.28 0.28 0.24 0.22 0.10
India % 0.14 0.14 0.12 0.11 0.29
China % 0.14 0.00 0.00 0.22 0.10
Other *8 % 0.68 0.84 0.59 0.78 0.78
Employees using childcare leave (JERA only)
Total People 10 20 89 95 128
Male People 0 10 56 65 104
Female People 10 10 33 30 24
Return-to-work rate after childcare leave (JERA only) *9
Total % 100 100 100 100 100
Male % ― 100 100 100 100
Female % 100 100 100 100 100
Gender wage gap (all workers) *10 % ― ― 73.6 71.2 74.3
Employee engagement *11 % 68.6 68.8 68.8 72.0 ―
Employee engagement *11 % ― ― ― ― 65.1
Labor union membership rate % 100 100 100 100 100
Average annual training hours per employee *12
Total Hours ― 32.4 38.3 50.5 70.8
(Male) Hours ― ― 33.8 45.2 59.8
(Female) Hours ― ― 82.4 93.0 149.7
Breakdown by age
-29 Hours ― ― 254.7 271.8 278.4
30-39 Hours ― ― 11.1 19.2 43.8
40-49 Hours ― ― 10.3 16.3 36.0
50+ Hours ― ― 6.3 12.7 26.5
Breakdown by job level
Non-management Hours ― ― 45.5 59.1 79.5
Management and above Hours ― ― 11.2 19.2 42.0
Average annual training cost per employee
Total Thousands of yen ― ― 130 193 376
(Male) Thousands of yen ― ― 124 178 347
(Female) Thousands of yen ― ― 189 317 588
Breakdown by age
-29 Thousands of yen ― ― 390 531 752
30-39 Thousands of yen ― ― 178 287 350
40-49 Thousands of yen ― ― 96 161 406
50+ Thousands of yen ― ― 52 47 220
Breakdown by job level
Non-management Thousands of yen ― ― 129 178 308
Management and above Thousands of yen ― ― 135 249 601
Internal recruitment *13
Number of positions available People ― 12 41 169 344
Number of applicants People ― 15 28 84 111
Number of successful candidates People ― 3 15 52 73
Percentage of open positions filled through internal recruitment *14 % ― 1.0 16.5 24.0 21.2
Average hiring cost for full-time employees *15 Thousands of yen ― ― 1,838 2,102 2,018
Average years of service Years 20.0 20.8 20.6 19.1 18.2
Male Years 20.3 21.3 21.3 20.1 19.4
Female Years 16.0 15.5 13.8 10.8 9.5
Overtime hours (per person per month) Hours ― 25 26 24 24
Annual days of paid leave taken (per person) Days ― 15 16 17 16
Number of fatalities *16 People 1 0 0 1 1
Number of injuries requiring leave *17 People 22 17 10 11 15
Employee injury frequency rate *18 % 0.00 0.00 0.01 0.00 0.00
Contribution amounts Millions of yen 780 38 61 79 78
  • Figures from FY2021 onward are compiled in accordance with International Financial Reporting Standards
  • Excluding employees on loan from JERA to other companies and including employees on loan to JERA from other companies
  • Figures from FY2023 include individuals who have an employment relationship with JERA, including employees on loan. A breakdown for management positions is shown below
  • Mid-level managers include general managers and senior managers. Senior-level managers include executive officers, the heads of divisions and groups
  • Figures from FY2021 and earlier represent the number of employees initially assigned to JERA from shareholder companies (new graduate hiring began in FY2022)
  • Figures include individuals who have an employment relationship with JERA, including employees on loan
  • 14 countries and regions including the Philippines and South Korea
  • 7 countries and regions including the Philippines and Australia
  • Percentage of employees who returned to work during the fiscal year among all scheduled to return
  • Gender wage gap = average annual wage for women ÷ average annual wage for men x 100. In April 2021, JERA introduced its own compensation system. There is no wage gap between male and female employees who share the same attributes (age, position, rank, etc.).
  • Employee satisfaction survey on key topics including company, working environment, and job and skill development (including questions on job satisfaction). Due to the revision of investigation criteria starting in FY2024, the result is listed in a separate row.
  • In FY2021, JERA established its own training system that includes off-the-job group training as well as on-the-job technical training at power plants, e-learning, etc.
  • Internal recruitment has been conducted since FY2021.
  • Percentage of open positions filled through internal recruitment = number of successful internal candidates ÷ number of positions available
  • Average of mid-career hires and new graduate hires
  • Employees, contractors, and subcontractors of JERA and JERA Group
  • Employees, contractors, and subcontractors of JERA and JERA Group; leave of one day or more
  • Excluding commuting accidents