Marc St. Onge
Ontario Power Generation/Manager, Tritium Removal Facility/Heavy Water Operations and Maintenance
2025 Salary
$108,477Total compensation $109,917, including $1,440 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
#9,870Ontario Power Generation
Years on List
202006–2025
Peak Salary
$172,5692020
Full 2025 roster at Ontario Power Generation →·See where $108,477 ranks →
Total Compensation History
Full History
2006–2025
$105,780 in 2006 is worth about $159,203 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Manager, Tritium Removal Facility/Heavy Water Operations and MaintenanceOntario Power Generation | $108,477 |
| 2024 | Manager, Tritium Removal Facility/Heavy Water Operations and MaintenanceOntario Power Generation | $105,317 |
| 2023 | Section Manager, Tritium Removal Facility/Heavy Water Operations and MaintenanceOntario Power Generation | $110,084 |
| 2022 | Section Manager, Tritium Removal Facility/Heavy Water Operations and MaintenanceOntario Power Generation | $125,078 |
| 2021 | Section Manager, Tritium Removal Facility/Heavy Water Operations and MaintenanceOntario Power Generation | $172,394 |
| 2020 | Section Manager, Tritium Removal Facility/Heavy Water Operations and MaintenanceOntario Power Generation | $172,569 |
| 2019 | Section Manager, Tritium Removal Facility/Heavy Water Operations and MaintenanceOntario Power Generation | $170,142 |
| 2018 | Section Manager, Tritium Removal Facility/Heavy Water Operations and MaintenanceOntario Power Generation | $172,313 |
| 2017 | Section Manager, Tritium Removal Facility/Heavy Water Operations and MaintenanceOntario Power Generation | $155,761 |
| 2016 | Section Manager, Fuel Handling MaintenanceOntario Power Generation | $168,387 |
| 2015 | Section Manager, Fuel Handling MaintenanceOntario Power Generation | $154,943 |
| 2014 | First Line Manager, Control / MechanicalOntario Power Generation | $168,109 |
| 2013 | First Line Manager, Control/MechanicalOntario Power Generation | $151,439 |
| 2012 | First Line Manager, Control/MechanicalOntario Power Generation | $131,571 |
| 2011 | First Line Manager, Control/MechanicalOntario Power Generation | $158,861 |
| 2010 | First Line Manager, Control/MechanicalOntario Power Generation | $157,608 |
| 2009 | Mechanical Technician, First Line Manager AssistantOntario Power Generation | $158,089 |
| 2008 | Mechanical TechnicianOntario Power Generation | $133,864 |
| 2007 | Mechanical Maintainer JourneypersonOntario Power Generation | $127,301 |
| 2006 | Mechanical Maintainer JourneypersonOntario Power Generation | $105,780 |
Take-Home Pay
(After Tax) · 2025 estimate
Marc St. Onge was paid $108,477 in 2025; after income tax, CPP and EI that is roughly $79,793, an effective income-tax rate of about 21.4%. Compared with 2024, when the figure was $105,317, that is a rise of about 3%. Records under this name have appeared on the Sunshine List 20 years in all, first in 2006. 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
- ~$79,793
- Effective income-tax rate (excl. CPP/EI)
- ~21.4%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~26.4%
Where does $108,477 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.