Derek Haddleton
Ontario Power Generation/Civil Maintainer First Line Manager Assistant
2025 Salary
$151,137Total compensation $158,054, including $6,917 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
#5,993Ontario Power Generation
Years on List
172009–2025
Peak Salary
$176,6902023
Full 2025 roster at Ontario Power Generation →·See where $151,137 ranks →
Total Compensation History
Full History
2009–2025
$113,810 in 2009 is worth about $163,354 in 2025 dollars.
Take-Home Pay
(After Tax) · 2025 estimate
Derek Haddleton was paid $151,137 in 2025; after income tax, CPP and EI that is roughly $104,511, an effective income-tax rate of about 27.2%. That is about 13% less than the $174,524 paid in 2024. Records under this name have appeared on the Sunshine List 17 years in all, first in 2009. 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
- ~$104,511
- Effective income-tax rate (excl. CPP/EI)
- ~27.2%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~30.9%
- vs. 2025 Civil Maintainer First Line Manager Assistant median
- about even
Where does $151,137 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.