Mark De Groot
Ontario Power Generation/Assistant Technical Engineer/Officer
2025 Salary
$121,920Total compensation $122,506, including $586 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
#9,102Ontario Power Generation
Years on List
22024–2025
Peak Salary
$121,9202025
Full 2025 roster at Ontario Power Generation →·See where $121,920 ranks →
Total Compensation History
Full History
2024–2025
$115,881 in 2024 is worth about $118,258 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Assistant Technical Engineer/OfficerOntario Power Generation | $121,920 |
| 2024 | Engineer/Applied Science TraineeOntario Power Generation | $115,881 |
Take-Home Pay
(After Tax) · 2025 estimate
In 2025, Mark De Groot's $121,920 salary works out to roughly $87,978 after income tax, CPP and EI — an all-in deduction rate of about 27.8%. Compared with 2024, when the figure was $115,881, that is a rise of about 5%. Records under this name have appeared on the Sunshine List 2 years in all, first in 2024. This estimate leaves out pension contributions; members of OMERS, OTPP, HOOPP or OPTrust typically take home another 7–10% less.
- Estimated net pay
- ~$87,978
- Effective income-tax rate (excl. CPP/EI)
- ~23.3%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~27.8%
- vs. 2025 Assistant Technical Engineer Officer median
- +4%
Where does $121,920 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.