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Thomas Sleeman

Ontario Power Generation/Nuclear Operator

2025 Salary

$158,807

Total compensation $160,495, including $1,688 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

#5,688

Ontario Power Generation

Years on List

7

2019–2025

Peak Salary

$206,539

2024

Full 2025 roster at Ontario Power Generation →·See where $158,807 ranks →

Total Compensation History

Total compensation by yearLine chart of 7 yearly values of total compensation, from $112,366 in 2019 to $160,495 in 2025.$100K$125K$150K$175K$200K$225K201920202021202320242025
Total compensation, 2019–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
2019–2025

$111,616 in 2019 is worth about $134,760 in 2025 dollars.

Full salary history, by year
YearPositionSalary
2025Nuclear OperatorOntario Power Generation$158,807Benefits $1,688Total $160,495
2024Nuclear OperatorOntario Power Generation$206,539Benefits $1,556Total $208,095
2023Nuclear OperatorOntario Power Generation$151,667Benefits $1,173Total $152,840
2022Nuclear OperatorOntario Power Generation$113,584Benefits $750Total $114,334
2021Nuclear OperatorOntario Power Generation$124,479Benefits $750Total $125,229
2020Nuclear OperatorOntario Power Generation$126,444Benefits $750Total $127,194
2019Nuclear OperatorOntario Power Generation$111,616Benefits $750Total $112,366

Take-Home Pay
(After Tax) · 2025 estimate

Of the $158,807 Thomas Sleeman earned in 2025, roughly $108,732 would remain after income tax, CPP and EI, an all-in deduction rate of about 31.5%. That is about 23% less than the $206,539 paid in 2024. Thomas Sleeman has appeared on the list 7 times since 2019. 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
~$108,732
Effective income-tax rate (excl. CPP/EI)
~28.1%
CPP + EI contributions
~$5,507
All-in deduction rate (incl. CPP/EI)
~31.5%
vs. 2025 Nuclear Operator median
−2%

Where does $158,807 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) →