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Mason Patterson

Ontario Power Generation/Plant Engineer/Officer

2025 Salary

$149,969

Total compensation $150,737, including $769 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

#6,876

Ontario Power Generation

Years on List

7

2019–2025

Peak Salary

$196,707

2022

Full 2025 roster at Ontario Power Generation →·See where $149,969 ranks →

Total Compensation History

Total compensation by yearLine chart of 7 yearly values of total compensation, from $114,765 in 2019 to $150,737 in 2025.$100K$125K$150K$175K$200K201920202021202320242025
Total compensation, 2019–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
2019–2025

$114,765 in 2019 is worth about $138,562 in 2025 dollars.

Full salary history, by year
YearPositionSalary
2025Plant Engineer/OfficerOntario Power Generation$149,969Benefits $769Total $150,737
2024Plant Engineer/OfficerOntario Power Generation$146,478Benefits $11,514Total $157,993
2023Plant Engineer/OfficerOntario Power Generation$134,769Benefits $647Total $135,416
2022Plant Engineer/OfficerOntario Power Generation$196,707Benefits $0Total $196,707
2021Associate Engineer/Scientist/Technical OfficerOntario Power Generation$159,641Benefits $0Total $159,641
2020Associate Engineer/Scientist/Technical OfficerOntario Power Generation$130,706Benefits $0Total $130,706
2019Associate Engineer/Scientist/Technical OfficerOntario Power Generation$114,765Benefits $0Total $114,765

Take-Home Pay
(After Tax) · 2025 estimate

Take-home on Mason Patterson's 2025 salary of $149,969 comes to roughly $103,851 once federal and Ontario income tax (about 27.1% effective) is deducted. At Ontario Power Generation, 10,346 people made the 2025 list with a median salary of $161,066; Mason Patterson's total compensation of $150,737 ranked #6,876. This estimate leaves out pension contributions; members of OMERS, OTPP, HOOPP or OPTrust typically take home another 7–10% less.

Estimated net pay
~$103,851
Effective income-tax rate (excl. CPP/EI)
~27.1%
CPP + EI contributions
~$5,507
All-in deduction rate (incl. CPP/EI)
~30.8%
vs. 2025 Plant Engineer Officer median
+22%

Where does $149,969 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) →