Heeyeon Seo
Ontario Power Generation/Manager Maintenance
At a Glance
2025
Latest Salary
$171,7802025
Total Compensation
$172,644Incl. $864 benefits
Employer Rank
#4,349Ontario Power Generation
Years on List
42020–2025
Salary History
Full History
2020–2025
| Year | Employer | Position | Salary | Benefits | Total |
|---|---|---|---|---|---|
| 2025 | Ontario Power Generation | Manager Maintenance | $171,780 | $864 | $172,644 |
| 2024 | Ontario Power Generation | Section Manager Maintenance | $108,766 | $572 | $109,338 |
| 2021 | Ontario Power Generation | Assistant Environmental Advisor | $105,063 | $508 | $105,571 |
| 2020 | Ontario Power Generation | Assistant Technical Engineer/Officer | $111,378 | $498 | $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 effective rate of about 29.3%. 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
- 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.