John Drewniak
Ontario Power Generation/Senior Manager Treasury
2025 Salary
$153,479Total compensation $154,366, including $887 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
#6,462Ontario Power Generation
Years on List
192005–2025
Peak Salary
$188,4822024
Full 2025 roster at Ontario Power Generation →·See where $153,479 ranks →
Total Compensation History
Full History
2005–2025
$115,428 in 2005 is worth about $177,133 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Senior Manager TreasuryOntario Power Generation | $153,479Benefits $887Total $154,366 |
| 2024 | Senior Manager TreasuryOntario Power Generation | $188,482Benefits $885Total $189,367 |
| 2023 | Senior Manager TreasuryOntario Power Generation | $184,891Benefits $872Total $185,763 |
| 2022 | Senior Manager TreasuryOntario Power Generation | $172,006Benefits $851Total $172,857 |
| 2021 | Senior Manager TreasuryOntario Power Generation | $171,121Benefits $839Total $171,960 |
| 2020 | Senior Manager TreasuryOntario Power Generation | $168,403Benefits $828Total $169,230 |
| 2019 | Senior Manager TreasuryOntario Power Generation | $165,979Benefits $816Total $166,795 |
| 2018 | Senior Manager TreasuryOntario Power Generation | $167,806Benefits $805Total $168,611 |
| 2017 | Senior Manager Enterprise Risk ManagementOntario Power Generation | $162,752Benefits $800Total $163,552 |
| 2016 | Senior Manager Enterprise Risk ManagementOntario Power Generation | $160,669Benefits $792Total $161,461 |
| 2015 | Senior Manager Enterprise Risk ManagementOntario Power Generation | $161,077Benefits $783Total $161,860 |
| 2014 | Senior Manager Enterprise Risk ManagementOntario Power Generation | $154,425Benefits $783Total $155,208 |
| 2013 | Senior Manager Enterprise Risk ManagementOntario Power Generation | $157,481Benefits $783Total $158,265 |
| 2012 | Senior Manager Enterprise Risk ManagementOntario Power Generation | $153,393Benefits $743Total $154,136 |
| 2011 | Senior Credit AssociateOntario Power Generation | $149,549Benefits $743Total $150,292 |
| 2010 | Senior Credit AssociateOntario Power Generation | $150,997Benefits $681Total $151,678 |
| 2007 | Senior Credit AssociateOntario Power Generation | $139,343Benefits $572Total $139,915 |
| 2006 | Senior Credit AssociateOntario Power Generation | $135,929Benefits $604Total $136,533 |
| 2005 | Senior Credit AssociateOntario Power Generation | $115,428Benefits $613Total $116,041 |
Take-Home Pay
(After Tax) · 2025 estimate
Take-home on John Drewniak's 2025 salary of $153,479 comes to roughly $105,800 once federal and Ontario income tax (about 27.5% effective) is deducted. Within Ontario Power Generation, John Drewniak's total compensation of $154,366 was the #6,462 of 10,346, against a median salary of $161,066. Compared with 2024, when the figure was $188,482, that is a drop of about 19%. This estimate leaves out pension contributions; members of OMERS, OTPP, HOOPP or OPTrust typically take home another 7–10% less.
- Estimated net pay
- ~$105,800
- Effective income-tax rate (excl. CPP/EI)
- ~27.5%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~31.1%
Where does $153,479 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.