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 | $108,477Benefits $1,440Total $109,917 |
| 2024 | Manager, Tritium Removal Facility/Heavy Water Operations and MaintenanceOntario Power Generation | $105,317Benefits $1,408Total $106,726 |
| 2023 | Section Manager, Tritium Removal Facility/Heavy Water Operations and MaintenanceOntario Power Generation | $110,084Benefits $1,365Total $111,450 |
| 2022 | Section Manager, Tritium Removal Facility/Heavy Water Operations and MaintenanceOntario Power Generation | $125,078Benefits $1,305Total $126,383 |
| 2021 | Section Manager, Tritium Removal Facility/Heavy Water Operations and MaintenanceOntario Power Generation | $172,394Benefits $1,303Total $173,697 |
| 2020 | Section Manager, Tritium Removal Facility/Heavy Water Operations and MaintenanceOntario Power Generation | $172,569Benefits $1,293Total $173,862 |
| 2019 | Section Manager, Tritium Removal Facility/Heavy Water Operations and MaintenanceOntario Power Generation | $170,142Benefits $1,273Total $171,415 |
| 2018 | Section Manager, Tritium Removal Facility/Heavy Water Operations and MaintenanceOntario Power Generation | $172,313Benefits $1,240Total $173,553 |
| 2017 | Section Manager, Tritium Removal Facility/Heavy Water Operations and MaintenanceOntario Power Generation | $155,761Benefits $1,218Total $156,979 |
| 2016 | Section Manager, Fuel Handling MaintenanceOntario Power Generation | $168,387Benefits $1,218Total $169,605 |
| 2015 | Section Manager, Fuel Handling MaintenanceOntario Power Generation | $154,943Benefits $1,218Total $156,161 |
| 2014 | First Line Manager, Control / MechanicalOntario Power Generation | $168,109Benefits $867Total $168,976 |
| 2013 | First Line Manager, Control/MechanicalOntario Power Generation | $151,439Benefits $849Total $152,288 |
| 2012 | First Line Manager, Control/MechanicalOntario Power Generation | $131,571Benefits $816Total $132,387 |
| 2011 | First Line Manager, Control/MechanicalOntario Power Generation | $158,861Benefits $765Total $159,626 |
| 2010 | First Line Manager, Control/MechanicalOntario Power Generation | $157,608Benefits $1,396Total $159,003 |
| 2009 | Mechanical Technician, First Line Manager AssistantOntario Power Generation | $158,089Benefits $1,362Total $159,451 |
| 2008 | Mechanical TechnicianOntario Power Generation | $133,864Benefits $1,329Total $135,193 |
| 2007 | Mechanical Maintainer JourneypersonOntario Power Generation | $127,301Benefits $1,192Total $128,492 |
| 2006 | Mechanical Maintainer JourneypersonOntario Power Generation | $105,780Benefits $1,184Total $106,964 |
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.