Winnie Wai-Yan Lau
Ontario Power Generation/Senior Technical Engineer/Officer
2025 Salary
$154,865Total compensation $155,672, including $807 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
#6,296Ontario Power Generation
Years on List
62020–2025
Peak Salary
$156,3992024
Full 2025 roster at Ontario Power Generation →·See where $154,865 ranks →
Total Compensation History
Full History
2020–2025
$104,830 in 2020 is worth about $125,643 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Senior Technical Engineer/OfficerOntario Power Generation | $154,865Benefits $807Total $155,672 |
| 2024 | Technical Engineer/OfficerOntario Power Generation | $156,399Benefits $759Total $157,159 |
| 2023 | Technical Engineer/OfficerOntario Power Generation | $132,033Benefits $684Total $132,717 |
| 2022 | Assistant Technical Engineer/OfficerOntario Power Generation | $121,069Benefits $638Total $121,708 |
| 2021 | Assistant Technical Engineer/OfficerOntario Power Generation | $117,308Benefits $607Total $117,914 |
| 2020 | Assistant Technical Engineer/OfficerOntario Power Generation | $104,830Benefits $576Total $105,406 |
Take-Home Pay
(After Tax) · 2025 estimate
Take-home on Winnie Wai-Yan Lau's 2025 salary of $154,865 comes to roughly $106,563 once federal and Ontario income tax (about 27.6% effective) is deducted. That is in line with the 2025 median of $155,130 for Senior Technical Engineer/Officer on the Sunshine List. Records under this name have appeared on the Sunshine List 6 years in all, first in 2020. This estimate leaves out pension contributions; members of OMERS, OTPP, HOOPP or OPTrust typically take home another 7–10% less.
- Estimated net pay
- ~$106,563
- Effective income-tax rate (excl. CPP/EI)
- ~27.6%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~31.2%
- vs. 2025 Senior Technical Engineer/Officer median
- about even
Where does $154,865 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.