Mark Thomas
Ontario Power Generation/First Line Manager, Training Programs
2025 Salary
$162,591Total compensation $169,974, including $7,382 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
#4,628Ontario Power Generation
Years on List
122014–2025
Peak Salary
$162,5912025
Full 2025 roster at Ontario Power Generation →·See where $162,591 ranks →
Total Compensation History
Full History
2014–2025
$111,672 in 2014 is worth about $146,457 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | First Line Manager, Training ProgramsOntario Power Generation | $162,591 |
| 2024 | First Line Manager, Training ProgramsOntario Power Generation | $148,028 |
| 2023 | Operations SpecialistOntario Power Generation | $160,730 |
| 2022 | Nuclear OperatorOntario Power Generation | $134,852 |
| 2021 | Nuclear OperatorOntario Power Generation | $131,085 |
| 2020 | Nuclear OperatorOntario Power Generation | $129,982 |
| 2019 | Nuclear OperatorOntario Power Generation | $133,356 |
| 2018 | Nuclear OperatorOntario Power Generation | $111,400 |
| 2017 | Nuclear OperatorOntario Power Generation | $132,429 |
| 2016 | Nuclear OperatorOntario Power Generation | $131,258 |
| 2015 | Nuclear OperatorOntario Power Generation | $124,773 |
| 2014 | Nuclear OperatorOntario Power Generation | $111,672 |
Take-Home Pay
(After Tax) · 2025 estimate
In 2025, Mark Thomas's $162,591 salary works out to roughly $110,814 after income tax, CPP and EI — an all-in deduction rate of about 31.8%. On total compensation of $169,974, Mark Thomas ranked #4,628 of 10,346 disclosed at Ontario Power Generation that year, where the median salary was $161,066. Mark Thomas has appeared on the list 12 times since 2014. This estimate leaves out pension contributions; members of OMERS, OTPP, HOOPP or OPTrust typically take home another 7–10% less.
- Estimated net pay
- ~$110,814
- Effective income-tax rate (excl. CPP/EI)
- ~28.5%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~31.8%
- vs. 2025 First Line Manager Training Programs median
- −8%
Where does $162,591 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.