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S Social DataSustainability / ESG Information

Item Unit FY2019 FY2020 FY2021 FY2022 FY2023
Number of employees (JERA consolidated) *1 People 4,797 4,907 5,059 5,295 5,838
Number of employees (JERA only) *2
Total People 3,726 3,847 3,910 4,008 4,167
(full-time employees) People 3,900 3,999 4,162
(contract workers) People 10 9 5
Male People 3,452 3,557 3,581 3,638 3,712
(full-time employees) People 3,574 3,632 3,710
(contract workers) People 7 6 2
Female People 274 290 329 370 455
(full-time employees) People 326 367 452
(contract workers) People 3 3 3
Average age (JERA only)
Total Age 44.3 44.7 44.6 45.1 44.4
Male Age 44.5 44.8 44.9 45.6 45.0
Female Age 41.8 42.2 41.6 40.8 38.9
Number of managers (JERA only) *3
Total People 689 730 713 841 1,034
Male People 664 698 677 796 977
Female People 25 32 36 45 57
Ratio of female managers % 3.6 4.4 5.0 5.4 5.5
Managers (mid-level) *4 People 649
Male People 608
Female People 41
Ratio of female managers % 6.3
Number of Managers (senior level) *4 People 73
Male People 69
Female People 4
Ratio of female managers % 5.5
Number of Managers (executive level) People 20
Male People 18
Female People 2
Ratio of female managers % 10.0
New graduate hires (JERA only) *5
Total People 50 51 79 92 139
Male People 43 43 68 62 96
Female People 7 8 11 29 43
Japanese nationals People 78 91 136
Chinese nationals People 1 1 2
South Korean nationals People 0 0 1
Mid-career hires (JERA only)
Total People 21 72 132 151 225
Male People 16 60 98 113 165
Female People 5 12 34 38 60
Japanese nationals People 14 62 125 142 212
Chinese nationals People 1 3 4 2 7
Indian nationals People 1 1 0 1 2
Other nationalities People 5 6 3 6 4
Total turnover rate (JERA only) *6
Total % 2.8 3.6 3.8
Male % 2.9 3.6 4.1
Female % 1.9 3.5 1.3
-29 % 2.1 3.3 0.7
30-39 % 1.0 2.3 1.8
40-49 % 0.7 0.8 0.9
50+ % 6.6 6.8 8.3
Voluntary turnover rate (JERA only) *6
Total % 3.2 2.0 1.8
Male % 1.8 1.9 1.9
Female % 3.0 3.0 0.7
-29 % 1.9 3.3 0.7
30-39 % 1.0 2.3 1.8
40-49 % 0.7 0.8 0.7
50+ % 1.9 2.4 3.0
Breakdown of employees by nationality (JERA only)
Japan % 99.68 99.30 99.16 99.13 98.82
China % 0.03 0.11 0.20 0.22 0.38
India % 0.03 0.05 0.05 0.07 0.10
USA % 0.00 0.05 0.08 0.07 0.10
UK % 0.05 0.08 0.05 0.05 0.05
Other *7 % 0.21 0.41 0.46 0.46 0.55
Breakdown of managers by nationality (JERA only)
Japan % 99.30 98.62 98.46 98.81 98.45
USA % 0.00 0.14 0.28 0.24 0.22
UK % 0.14 0.28 0.28 0.24 0.22
India % 0.00 0.14 0.14 0.12 0.11
China % 0.00 0.14 0.00 0.00 0.22
Other *8 % 0.56 0.68 0.84 0.59 0.78
Employees using childcare leave (JERA only)
Total People 5 10 20 89 95
Male People 0 0 10 56 65
Female People 5 10 10 33 30
Return-to-work rate after childcare leave (JERA only) *9
Total % 100.0 100.0 100.0 100.0 100.0
Male % 100.0 100.0 100.0
Female % 100.0 100.0 100.0 100.0 100.0
Gender wage gap (all workers) *10 % 73.6 71.2
Employee engagement *11 % 68.1 68.6 68.8 68.8 72.0
Labor union membership rate % 100.0 100.0 100.0 100.0 100.0
Average annual training hours per employee *12
Total Hours 32.4 38.3 50.5
(Male) Hours 33.8 45.2
(Female) Hours 82.4 93.0
Breakdown by age
-29 Hours 254.7 271.8
30-39 Hours 11.1 19.2
40-49 Hours 10.3 16.3
50+ Hours 6.3 12.7
Breakdown by job level
Non-management Hours 45.5 59.1
Management and above Hours 11.2 19.2
Average annual training cost per employee
Total Thousands of yen 130 193
(Male) Thousands of yen 124 178
(Female) Thousands of yen 189 317
Breakdown by age
-29 Thousands of yen 390 531
30-39 Thousands of yen 178 287
40-49 Thousands of yen 96 161
50+ Thousands of yen 52 47
Breakdown by job level
Non-management Thousands of yen 129 178
Management and above Thousands of yen 135 249
Internal recruitment *13
Number of positions available People 12 41 169
Number of applicants People 15 28 84
Number of successful candidates People 3 15 52
Percentage of open positions filled through internal recruitment *14 % 1.0 16.5 24.0
Average hiring cost for full-time employees *15 Thousands of yen 1,838 2,102
Average years of service Years 20.0 20.8 20.6 19.1
Male Years 20.3 21.3 21.3 20.1
Female Years 16.0 15.5 13.8 10.8
Overtime hours (per person per month) Hours 25 26 24
Annual days of paid leave taken (per person) Days 15 16 17
Number of fatalities *16 People 0 1 0 0 1
Number of injuries requiring leave *17 People 9 22 17 10 11
Employee injury frequency rate *18 % 0.00 0.00 0.00 0.01 0.00
Contribution amounts Millions of yen 4 780 38 61 79
  • Figures from FY2021 onward are compiled in accordance with International Financial Reporting Standards (IFRS)
  • 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, each unit. 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 female ÷ average annual wage for male × 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).
  • 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