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Mark Welt

Ontario Power Generation/Director Western Waste Operations

2025 Salary

$166,655

Total compensation $167,338, including $683 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

#4,954

Ontario Power Generation

Years on List

18

2006–2025

Peak Salary

$250,978

2024

Full 2025 roster at Ontario Power Generation·See where $166,655 ranks →

Total Compensation History

Total compensation by yearLine chart of 18 yearly values of total compensation, from $111,001 in 2006 to $167,338 in 2025. No data from 2008 to 2009.$100K$150K$200K$250K$300K200620112014201820212025
Total compensation, 2006–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
20062025

$109,420 in 2006 is worth about $164,681 in 2025 dollars.

Full salary history, by year
YearPositionSalary
2025Director Western Waste OperationsOntario Power Generation$166,655
2024Director Western Waste OperationsOntario Power Generation$250,978
2023Director Western Waste OperationsOntario Power Generation$217,802
2022Director Western Waste OperationsOntario Power Generation$191,882
2021Manager, Nuclear Waste FacilityOntario Power Generation$191,299
2020Section Manager Operations and MaintenanceOntario Power Generation$152,760
2019Section Manager Operations and MaintenanceOntario Power Generation$198,932
2018Field Shift Operating SupervisorOntario Power Generation$177,243
2017Nuclear Waste Operator First Line Manager AssistantOntario Power Generation$169,969
2016Nuclear Waste OperatorOntario Power Generation$171,847
2015Nuclear Waste OperatorOntario Power Generation$135,761
2014Thermal Operating TechnicianOntario Power Generation$131,292
2013Thermal Operating TechnicianOntario Power Generation$142,284
2012Thermal Operating TechnicianOntario Power Generation$126,100
2011Thermal Operating TechnicianOntario Power Generation$119,580
2010Thermal Operating TechnicianOntario Power Generation$129,085
2007Fossil Operating TechnicianOntario Power Generation$127,632
2006Fossil Operating TechnicianOntario Power Generation$109,420

Take-Home Pay
(After Tax) · 2025 estimate

Of the $166,655 Mark Welt earned in 2025, roughly $113,051 would remain after income tax, CPP and EI, an all-in deduction rate of about 32.2%. Compared with 2024, when the figure was $250,978, that is a drop of about 34%. Mark Welt has appeared on the list 18 times since 2006. This estimate leaves out pension contributions; members of OMERS, OTPP, HOOPP or OPTrust typically take home another 7–10% less.

Estimated net pay
~$113,051
Effective income-tax rate (excl. CPP/EI)
~28.9%
CPP + EI contributions
~$5,507
All-in deduction rate (incl. CPP/EI)
~32.2%

Where does $166,655 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) →