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Mark Kester

Ontario Power Generation/Nuclear Waste Operator

2025 Salary

$141,784

Total compensation $143,187, including $1,404 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

#7,572

Ontario Power Generation

Years on List

3

2023–2025

Peak Salary

$154,987

2024

Full 2025 roster at Ontario Power Generation →·See where $141,784 ranks →

Total Compensation History

Total compensation by yearLine chart of 3 yearly values of total compensation, from $120,856 in 2023 to $143,187 in 2025.$100K$120K$140K$160K202320242025
Total compensation, 2023–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
2023–2025

$120,106 in 2023 is worth about $125,534 in 2025 dollars.

Full salary history, by year
YearPositionSalary
2025Nuclear Waste OperatorOntario Power Generation$141,784Benefits $1,404Total $143,187
2024Nuclear Waste OperatorOntario Power Generation$154,987Benefits $1,042Total $156,030
2023Nuclear OperatorOntario Power Generation$120,106Benefits $750Total $120,856

Take-Home Pay
(After Tax) · 2025 estimate

In 2025, Mark Kester's $141,784 salary works out to roughly $99,219 after income tax, CPP and EI — an all-in deduction rate of about 30.0%. That is about 9% less than the $154,987 paid in 2024. Within Ontario Power Generation, Mark Kester's total compensation of $143,187 was the #7,572 of 10,346, against a median salary of $161,066. This estimate leaves out pension contributions; members of OMERS, OTPP, HOOPP or OPTrust typically take home another 7–10% less.

Estimated net pay
~$99,219
Effective income-tax rate (excl. CPP/EI)
~26.1%
CPP + EI contributions
~$5,507
All-in deduction rate (incl. CPP/EI)
~30.0%
vs. 2025 Nuclear Waste Operator median
−12%

Where does $141,784 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) →