Derek Dulmage
Ontario Power Generation/Trades Management Supervisor- Maintenance
2025 Salary
$204,887Total compensation $206,090, including $1,203 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
#1,881Ontario Power Generation
Years on List
82018–2025
Peak Salary
$204,8872025
Full 2025 roster at Ontario Power Generation →·See where $204,887 ranks →
Total Compensation History
Full History
2018–2025
$113,111 in 2018 is worth about $139,227 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Trades Management Supervisor- MaintenanceOntario Power Generation | $204,887Benefits $1,203Total $206,090 |
| 2024 | Trades Management Supervisor- MaintenanceOntario Power Generation | $197,178Benefits $1,166Total $198,345 |
| 2023 | Trades Management Supervisor- MaintenanceOntario Power Generation | $202,629Benefits $1,086Total $203,714 |
| 2022 | Trades Management Supervisor - MaintenanceOntario Power Generation | $171,692Benefits $1,027Total $172,719 |
| 2021 | Trades Management Supervisor- MaintenanceOntario Power Generation | $160,385Benefits $988Total $161,373 |
| 2020 | Trades Management Supervisor- MaintenanceOntario Power Generation | $163,554Benefits $947Total $164,501 |
| 2019 | Trades Management Supervisor- MaintenanceOntario Power Generation | $120,647Benefits $753Total $121,400 |
| 2018 | Plant Engineer/OfficerOntario Power Generation | $113,111Benefits $718Total $113,829 |
Take-Home Pay
(After Tax) · 2025 estimate
In 2025, Derek Dulmage's $204,887 salary works out to roughly $133,083 after income tax, CPP and EI — an all-in deduction rate of about 35.0%. For comparison, the median Trades Management Supervisor- Maintenance on the 2025 list was paid $190,135; this salary is about 8% more. That is about 4% more than the $197,178 paid 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
- ~$133,083
- Effective income-tax rate (excl. CPP/EI)
- ~32.4%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~35.0%
- vs. 2025 Trades Management Supervisor- Maintenance median
- +8%
Where does $204,887 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.