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Dwayne Korchak

Ontario Power Generation/Director Plant Operations

2023 Salary — last year on the list

$234,729

Total compensation $236,283, including $1,554 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
2023

Employer Rank

#685

Ontario Power Generation

Years on List

17

2007–2023

Peak Salary

$234,729

2023

Full 2023 roster at Ontario Power Generation →·See where $234,729 ranks →

Total Compensation History

Total compensation by yearLine chart of 17 yearly values of total compensation, from $115,942 in 2007 to $236,283 in 2023.$100K$150K$200K$250K200720102014201620202023
Total compensation, 2007–2023. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
2007–2023

$114,472 in 2007 is worth about $168,577 in 2025 dollars.

Full salary history, by year
YearPositionSalary
2023Director Plant OperationsOntario Power Generation$234,729Benefits $1,554Total $236,283
2022Director, Plant OperationsOntario Power Generation$215,364Benefits $1,498Total $216,862
2021Production Manager Hydro/ThermalOntario Power Generation$223,442Benefits $1,460Total $224,902
2020Production Manager Hydro/ThermalOntario Power Generation$201,410Benefits $1,410Total $202,820
2019Production Manager Hydro/ThermalOntario Power Generation$193,832Benefits $1,367Total $195,198
2018Production Manager Hydro/ThermalOntario Power Generation$188,170Benefits $5,720Total $193,890
2017Production Manager Hydro/ThermalOntario Power Generation$165,846Benefits $5,064Total $170,911
2016First Line Manager OperatingOntario Power Generation$157,102Benefits $3,365Total $160,467
2015First Line Manager, OperatingOntario Power Generation$159,120Benefits $2,847Total $161,967
2014First Line Manager, OperatingOntario Power Generation$148,305Benefits $1,123Total $149,428
2013First Line Manager, OperatingOntario Power Generation$147,346Benefits $1,123Total $148,469
2012First Line Manager, OperatingOntario Power Generation$134,049Benefits $1,036Total $135,085
2011First Line Manager, Production (Hydro Facilities)Ontario Power Generation$141,992Benefits $1,028Total $143,020
2010First Line Manager, Production (Hydro Facilities)Ontario Power Generation$134,145Benefits $942Total $135,087
2009First Line Manager, Production (Hydro Facilities)Ontario Power Generation$131,934Benefits $900Total $132,834
2008First Line Manager, Production, Hydro FacilitiesOntario Power Generation$129,766Benefits $926Total $130,692
2007First Line Manager, Production (Hydro Facilities)Ontario Power Generation$114,472Benefits $1,470Total $115,942

Take-Home Pay
(After Tax) · 2023 estimate

Take-home on Dwayne Korchak's 2023 salary of $234,729 comes to roughly $146,529 once federal and Ontario income tax (about 35.5% effective) is deducted. It is up about 9% on the $215,364 paid in 2022. Records under this name have appeared on the Sunshine List 17 years in all, first in 2007. 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
~$146,529
Effective income-tax rate (excl. CPP/EI)
~35.5%
CPP + EI contributions
~$4,756
All-in deduction rate (incl. CPP/EI)
~37.6%

Where does $234,729 rank on the Sunshine List? →

Estimate only: 2023 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
2023

View all 9,310 employees at Ontario Power Generation (2023) →