Public Salaries
Ontario public pay

Heeyeon Seo

Manager Maintenance at Ontario Power Generation. On Ontario’s disclosure list 4 years between 2020 and 2025.

Salary disclosure2025
Heeyeon Seo
Manager Maintenance
Ontario Power Generation
Salary paid
$171,780.03
Taxable benefits
$864.00
Total disclosed
$172,644.03
Source: Government of Ontario, Public Sector Salary Disclosure Act, 1996. © King’s Printer for Ontario.
Change from 2024: +$63,014 (+57.9%)
4years on
the list

Among 27 people with the title “Manager Maintenance” in 2025

Paid more than 37% of them. Their median: $181,303.

Among 10,346 people at Ontario Power Generation in 2025

3,992nd highest paid. Their median: $161,066.

Paid more than 89% of everyone on the 2025 disclosure list, which only lists people paid $100,000 or more.

middle 80%middle halfmedianthis personspacing grows with pay (log scale)

Salary by year

Show as a table
YearSalaryMedian for the job
2020$111,378$107,093
2021$105,063$108,796
2024$108,766$168,880
2025$171,780$181,303

History

YearEmployer and jobSalaryBenefitsChange
2025Ontario Power GenerationManager Maintenance$171,780$864+$63,014
2024Ontario Power GenerationSection Manager Maintenance$108,766$572
2021Ontario Power GenerationAssistant Environmental Advisor$105,063$508−$6,315
2020Ontario Power GenerationAssistant Technical Engineer/Officer$111,378$498

Compare

Questions and answers

Why is Heeyeon Seo on the disclosure list?

Ontario Power Generation paid Heeyeon Seo $171,780 in 2025. Ontario’s public employers must disclose everyone they paid $100,000 or more in a calendar year, under the Public Sector Salary Disclosure Act, 1996.

What does “salary paid” include?

What the employer paid in the calendar year, so it can include overtime, retroactive pay, vacation payouts, severance or a partial year. Taxable benefits are listed separately. How the lists work

What do the comparisons mean?

Ranks and shares are among people on the same year’s list only: those with the same title, those at the same employer, or everyone listed. People paid under $100,000 are not on the list, so they are not counted.

How do I report a mistake or ask for a record to be removed?

Privacy and corrections explains both. Figures are shown exactly as Ontario published them; we fix matching mistakes and handle removal requests there.

Years are matched by name and employer. Salary paid can include overtime, retroactive pay and one-time payments. Figures are exactly as Ontario published them. How we match years · Report a mistake or ask for removal