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Woojin Choi

Ontario Power Generation/Supervising Nuclear Operator First Line Manager Assistant

2025 Salary

$229,310

Total compensation $230,988, including $1,679 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

#974

Ontario Power Generation

Years on List

5

2021–2025

Peak Salary

$249,014

2024

Full 2025 roster at Ontario Power Generation →·See where $229,310 ranks →

Total Compensation History

Total compensation by yearLine chart of 5 yearly values of total compensation, from $118,269 in 2021 to $230,988 in 2025.$100K$150K$200K$250K$300K20212022202320242025
Total compensation, 2021–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
2021–2025

$117,519 in 2021 is worth about $136,276 in 2025 dollars.

Full salary history, by year
YearPositionSalary
2025Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation$229,310Benefits $1,679Total $230,988
2024Radiation Protection and Safety TechnicianOntario Power Generation$249,014Benefits $1,382Total $250,396
2023Radiation Protection and Safety TechnicianOntario Power Generation$197,547Benefits $906Total $198,452
2022Nuclear OperatorOntario Power Generation$129,861Benefits $750Total $130,611
2021Nuclear OperatorOntario Power Generation$117,519Benefits $750Total $118,269

Take-Home Pay
(After Tax) · 2025 estimate

Of the $229,310 Woojin Choi earned in 2025, roughly $145,587 would remain after income tax, CPP and EI, an all-in deduction rate of about 36.5%. On total compensation of $230,988, Woojin Choi ranked #974 of 10,346 disclosed at Ontario Power Generation that year, where the median salary was $161,066. Woojin Choi has appeared on the list 5 times since 2021. This estimate leaves out pension contributions; members of OMERS, OTPP, HOOPP or OPTrust typically take home another 7–10% less.

Estimated net pay
~$145,587
Effective income-tax rate (excl. CPP/EI)
~34.1%
CPP + EI contributions
~$5,507
All-in deduction rate (incl. CPP/EI)
~36.5%
vs. 2025 Supervising Nuclear Operator, FLM Assistant median
+20%

Where does $229,310 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.

Also at Ontario Power Generation
2025

View all 10,346 employees at Ontario Power Generation (2025) →