Heeyeon Seo
Ontario Power Generation/Manager Maintenance
2025 Salary
$171,780Total compensation $172,644, including $864 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
#4,349Ontario Power Generation
Years on List
42020–2025
Peak Salary
$171,7802025
Full 2025 roster at Ontario Power Generation →·See where $171,780 ranks →
Total Compensation History
Full History
2020–2025
$111,378 in 2020 is worth about $133,491 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Manager MaintenanceOntario Power Generation | $171,780Benefits $864Total $172,644 |
| 2024 | Section Manager MaintenanceOntario Power Generation | $108,766Benefits $572Total $109,338 |
| 2021 | Assistant Environmental AdvisorOntario Power Generation | $105,063Benefits $508Total $105,571 |
| 2020 | Assistant Technical Engineer/OfficerOntario Power Generation | $111,378Benefits $498Total $111,876 |
Take-Home Pay
(After Tax) · 2025 estimate
Of the $171,780 Heeyeon Seo earned in 2025, roughly $115,871 would remain after income tax, CPP and EI, an all-in deduction rate of about 32.5%. Among those listed as Maintenance Manager in 2025, the median was $157,612; this salary sits about 9% above it. It is up about 58% on the $108,766 paid in 2024. 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
- ~$115,871
- Effective income-tax rate (excl. CPP/EI)
- ~29.3%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~32.5%
- vs. 2025 Maintenance Manager median
- +9%
Where does $171,780 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.