Employee benefit costs
| Wages and salaries | 52 618 | 49 000 |
| Pension expenses - defined contribution plans | 9 166 | 6 686 |
| Other compulsory personnel expenses | 1 696 | 2 042 |
| Total | 63 480 | 57 728 |
Employee bonus system
The Nomination and Remuneration Committee under the Board of Directors approves TVO's commitment and remuneration systems. All permanent and long-term temporary employees are included in the employee bonus system. Some of the personnel have deposited their bonuses in the Teollisuuden Voima Personnel Fund.
Average number of personnel during financial year
| 2018 | 2017 |
| Office personnel | 717 | 666 |
| Manual workers | 155 | 135 |
| Total | 872 | 801 |
Number of personnel on December 31
| Office personnel | 713 | 671 |
| Manual workers | 165 | 136 |
| Total | 878 | 807 |
