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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
2006–2025

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

Full salary history, by year
YearPositionSalary
2025Director Western Waste OperationsOntario Power Generation$166,655Benefits $683Total $167,338
2024Director Western Waste OperationsOntario Power Generation$250,978Benefits $1,580Total $252,558
2023Director Western Waste OperationsOntario Power Generation$217,802Benefits $1,479Total $219,281
2022Director Western Waste OperationsOntario Power Generation$191,882Benefits $1,358Total $193,240
2021Manager, Nuclear Waste FacilityOntario Power Generation$191,299Benefits $1,289Total $192,588
2020Section Manager Operations and MaintenanceOntario Power Generation$152,760Benefits $2,575Total $155,335
2019Section Manager Operations and MaintenanceOntario Power Generation$198,932Benefits $4,707Total $203,639
2018Field Shift Operating SupervisorOntario Power Generation$177,243Benefits $4,631Total $181,873
2017Nuclear Waste Operator First Line Manager AssistantOntario Power Generation$169,969Benefits $5,084Total $175,053
2016Nuclear Waste OperatorOntario Power Generation$171,847Benefits $2,368Total $174,215
2015Nuclear Waste OperatorOntario Power Generation$135,761Benefits $6,326Total $142,086
2014Thermal Operating TechnicianOntario Power Generation$131,292Benefits $1,469Total $132,761
2013Thermal Operating TechnicianOntario Power Generation$142,284Benefits $1,451Total $143,734
2012Thermal Operating TechnicianOntario Power Generation$126,100Benefits $1,430Total $127,530
2011Thermal Operating TechnicianOntario Power Generation$119,580Benefits $1,414Total $120,994
2010Thermal Operating TechnicianOntario Power Generation$129,085Benefits $1,325Total $130,410
2007Fossil Operating TechnicianOntario Power Generation$127,632Benefits $1,205Total $128,838
2006Fossil Operating TechnicianOntario Power Generation$109,420Benefits $1,581Total $111,001

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) →