Derek Johnston
Ontario Power Generation/Supervising Nuclear Operator First Line Manager Assistant
At a Glance
2025
Latest Salary
$198,7092025
Total Compensation
$203,667Incl. $4,958 benefits
Employer Rank
#2,012Ontario Power Generation
Years on List
72019–2025
Salary History
Full History
2019–2025
| Year | Employer | Position | Salary | Benefits | Total |
|---|---|---|---|---|---|
| 2025 | Ontario Power Generation | Supervising Nuclear Operator First Line Manager Assistant | $198,709 | $4,958 | $203,667 |
| 2024 | Ontario Power Generation | Supervising Nuclear Operator First Line Manager Assistant | $173,310 | $4,284 | $177,594 |
| 2023 | Ontario Power Generation | — | $178,436 | $4,188 | $182,624 |
| 2022 | Ontario Power Generation | Supervising Nuclear Operator First Line Manager Assistant | $150,857 | $3,748 | $154,606 |
| 2021 | Ontario Power Generation | Nuclear Operator | $156,470 | $3,382 | $159,852 |
| 2020 | Ontario Power Generation | Nuclear Operator | $142,370 | $3,062 | $145,432 |
| 2019 | Ontario Power Generation | Nuclear Operator | $122,453 | $2,699 | $125,152 |
Take-Home Pay
(After Tax) · 2025 estimate
Take-home on Derek Johnston's 2025 salary of $198,709 comes to roughly $130,038 once federal and Ontario income tax (about 31.8% effective) is deducted. On total compensation of $203,667, Derek Johnston ranked #2,012 of 10,346 disclosed at Ontario Power Generation that year, where the median salary was $161,066. Derek Johnston has appeared on the list 7 times since 2019. Members of OMERS, OTPP, HOOPP or OPTrust typically take home another 7–10% less after pension contributions, which this estimate leaves out.
- Estimated net pay
- ~$130,038
- Effective income-tax rate (excl. CPP/EI)
- ~31.8%
- CPP + EI contributions
- ~$5,507
- vs. 2025 Supervising Nuclear Operator, FLM Assistant median
- +4%
Where does $198,709 rank on the Sunshine List? →
Estimate only: 2025 federal and Ontario rates, basic personal amounts, Canada employment amount and CPP/EI credits; single, employment income only, salary treated as full-year income. Ignores pension contributions (OMERS, HOOPP, OTPP, OPTrust and similar plans lower actual take-home), union dues, RRSPs and benefits.