Douglas Preston
Ontario Power Generation/Senior Manager Reliability Compliance
2025 Salary
$199,266Total compensation $199,708, including $442 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
#2,226Ontario Power Generation
Years on List
82018–2025
Peak Salary
$199,2662025
Full 2025 roster at Ontario Power Generation →·See where $199,266 ranks →
Total Compensation History
Full History
2018–2025
$101,880 in 2018 is worth about $125,403 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Senior Manager Reliability ComplianceOntario Power Generation | $199,266Benefits $442Total $199,708 |
| 2024 | Senior Manager Reliability ComplianceOntario Power Generation | $178,369Benefits $418Total $178,787 |
| 2023 | Senior Manager Reliability ComplianceOntario Power Generation | $162,751Benefits $381Total $163,132 |
| 2022 | Manager EngineeringOntario Power Generation | $150,880Benefits $343Total $151,223 |
| 2021 | Manager EngineeringOntario Power Generation | $138,319Benefits $330Total $138,649 |
| 2020 | Section Manager Nuclear EngineeringOntario Power Generation | $127,321Benefits $347Total $127,667 |
| 2019 | Section Manager Nuclear EngineeringOntario Power Generation | $118,329Benefits $1,998Total $120,327 |
| 2018 | Assistant Technical Engineer/OfficerOntario Power Generation | $101,880Benefits $2,074Total $103,954 |
Take-Home Pay
(After Tax) · 2025 estimate
Take-home on Douglas Preston's 2025 salary of $199,266 comes to roughly $130,325 once federal and Ontario income tax (about 31.8% effective) is deducted. That is about 12% more than the $178,369 paid in 2024. Douglas Preston has appeared on the list 8 times since 2018. 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
- ~$130,325
- Effective income-tax rate (excl. CPP/EI)
- ~31.8%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~34.6%
Where does $199,266 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.