Heeyeon Seo was paid $172,644.03 in total compensation as Manager Maintenance at Ontario Power Generation in 2025, 73% above Ontario's $100,000.00 Sunshine List threshold.
Heeyeon Seo has appeared on the Ontario Sunshine List 4 times since 2020, earning $499K in combined disclosed pay — an average of $124,857.00 a year, up 54% over that span.
That is 1% above the average disclosed pay of $170,201.67 across 10,346 listed Ontario Power Generation employees.
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4 years on the list
Annual total compensation (CAD) — hover to inspect.
The career in numbers
Totals, averages, and the biggest moves — all total compensation.
A career, year by year.
How Heeyeon Seo's total compensation has moved across 4 years on the Ontario Sunshine List.
Year-by-year history
4 years on the Sunshine List.
| Year | Total Compensation | Change |
|---|---|---|
2025Latest★ Best | $172,644.03 | ▲ 57.9% |
2024 | $109,337.89 | ▲ 3.6% |
2021 | $105,571.16 | ▼ 5.6% |
2020First | $111,876.37 | — |
| 4 years total | $499K total | $124,857.00 avg |
The record
Source data and how to request a correction.
Employee details
- Position
- Manager Maintenance
- Employer
- Ontario Power Generation
- Sector
- —
- Province
- Ontario
- First appeared
- 2020
- Latest disclosure
- 2025
- Years on list
- 4
Data source
Salary data is published annually by the Ontario government under the Public Sector Salary Disclosure Act. Only employees earning $100,000+ are disclosed.
Name removal
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