Lorna Mackenzie
Ontario Power Generation/Supervising Nuclear Operator First Line Manager Assistant
2025 Salary
$170,139Total compensation $178,814, including $8,674 in taxable benefits.
Source: Ontario’s Public Sector Salary Disclosure — names paid $100,000 or more that year. How we build this · Report an error on this page
At a Glance
2025
Employer Rank
#3,789Ontario Power Generation
Years on List
82017–2025
Peak Salary
$171,1842024
Full 2025 roster at Ontario Power Generation →·See where $170,139 ranks →
Total Compensation History
Full History
2017–2025
$118,273 in 2017 is worth about $148,930 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation | $170,139Benefits $8,674Total $178,814 |
| 2024 | Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation | $171,184Benefits $7,318Total $178,502 |
| 2023 | Nuclear OperatorOntario Power Generation | $165,057Benefits $7,071Total $172,128 |
| 2022 | Nuclear OperatorOntario Power Generation | $135,240Benefits $6,339Total $141,579 |
| 2021 | Nuclear OperatorOntario Power Generation | $150,540Benefits $5,695Total $156,235 |
| 2019 | Nuclear OperatorOntario Power Generation | $120,676Benefits $2,914Total $123,590 |
| 2018 | Nuclear OperatorOntario Power Generation | $122,538Benefits $2,910Total $125,448 |
| 2017 | Nuclear OperatorOntario Power Generation | $118,273Benefits $3,151Total $121,424 |
Take-Home Pay
(After Tax) · 2025 estimate
Of the $170,139 Lorna Mackenzie earned in 2025, roughly $114,968 would remain after income tax, CPP and EI, an all-in deduction rate of about 32.4%. For comparison, the median Supervising Nuclear Operator, FLM Assistant on the 2025 list was paid $190,560; this salary is about 11% less. It is down about 1% from the $171,184 paid in 2024. 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
- ~$114,968
- Effective income-tax rate (excl. CPP/EI)
- ~29.2%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~32.4%
- vs. 2025 Supervising Nuclear Operator, FLM Assistant median
- −11%
Where does $170,139 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.