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Mark Tannous

Ontario Power Generation/Project Leader

2025 Salary

$167,584

Total compensation $172,514, including $4,930 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

#4,361

Ontario Power Generation

Years on List

10

2016–2025

Peak Salary

$167,584

2025

Full 2025 roster at Ontario Power Generation →·See where $167,584 ranks →

Total Compensation History

Total compensation by yearLine chart of 10 yearly values of total compensation, from $109,170 in 2016 to $172,514 in 2025.$100K$120K$140K$160K$180K201620182020202120232025
Total compensation, 2016–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
2016–2025

$108,615 in 2016 is worth about $138,899 in 2025 dollars.

Full salary history, by year
YearPositionSalary
2025Project LeaderOntario Power Generation$167,584Benefits $4,930Total $172,514
2024Project LeaderOntario Power Generation$148,166Benefits $4,464Total $152,629
2023Senior Technical Engineer/OfficerOntario Power Generation$149,004Benefits $4,081Total $153,085
2022Senior Technical Engineer/OfficerOntario Power Generation$131,591Benefits $3,738Total $135,329
2021Senior Technical Engineer/OfficerOntario Power Generation$126,389Benefits $3,324Total $129,713
2020Senior Technical Engineer/OfficerOntario Power Generation$140,378Benefits $2,969Total $143,347
2019Senior Technical Engineer/OfficerOntario Power Generation$113,553Benefits $2,490Total $116,044
2018Technical Engineer/OfficerOntario Power Generation$117,478Benefits $2,661Total $120,140
2017Technical Engineer/OfficerOntario Power Generation$125,697Benefits $599Total $126,296
2016Assistant Technical Engineer/OfficerOntario Power Generation$108,615Benefits $555Total $109,170

Take-Home Pay
(After Tax) · 2025 estimate

Take-home on Mark Tannous's 2025 salary of $167,584 comes to roughly $113,562 once federal and Ontario income tax (about 28.9% effective) is deducted. At Ontario Power Generation, 10,346 people made the 2025 list with a median salary of $161,066; Mark Tannous's total compensation of $172,514 ranked #4,361. Mark Tannous has appeared on the list 10 times since 2016. 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
~$113,562
Effective income-tax rate (excl. CPP/EI)
~28.9%
CPP + EI contributions
~$5,507
All-in deduction rate (incl. CPP/EI)
~32.2%
vs. 2025 Project Leader median
+13%

Where does $167,584 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) →