Sandra Mostowy
Ontario Power Generation/Nuclear Operator
2025 Salary
$162,636Total compensation $171,038, including $8,401 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
#4,509Ontario Power Generation
Years on List
192007–2025
Peak Salary
$171,4022024
Full 2025 roster at Ontario Power Generation →·See where $162,636 ranks →
Total Compensation History
Full History
2007–2025
$101,457 in 2007 is worth about $149,410 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Nuclear OperatorOntario Power Generation | $162,636Benefits $8,401Total $171,038 |
| 2024 | Nuclear OperatorOntario Power Generation | $171,402Benefits $7,084Total $178,485 |
| 2023 | Nuclear OperatorOntario Power Generation | $169,668Benefits $6,915Total $176,583 |
| 2022 | Nuclear OperatorOntario Power Generation | $146,524Benefits $6,200Total $152,724 |
| 2021 | Nuclear OperatorOntario Power Generation | $148,472Benefits $5,573Total $154,044 |
| 2020 | Nuclear OperatorOntario Power Generation | $147,736Benefits $5,002Total $152,739 |
| 2019 | Nuclear OperatorOntario Power Generation | $141,555Benefits $4,335Total $145,890 |
| 2018 | Nuclear OperatorOntario Power Generation | $136,710Benefits $4,341Total $141,051 |
| 2017 | Nuclear OperatorOntario Power Generation | $145,153Benefits $4,812Total $149,965 |
| 2016 | Nuclear OperatorOntario Power Generation | $161,449Benefits $1,365Total $162,814 |
| 2015 | Nuclear OperatorOntario Power Generation | $156,185Benefits $1,357Total $157,542 |
| 2014 | Nuclear OperatorOntario Power Generation | $144,431Benefits $1,350Total $145,781 |
| 2013 | Nuclear OperatorOntario Power Generation | $169,439Benefits $1,334Total $170,773 |
| 2012 | Nuclear OperatorOntario Power Generation | $141,619Benefits $1,318Total $142,937 |
| 2011 | Nuclear OperatorOntario Power Generation | $145,276Benefits $1,304Total $146,581 |
| 2010 | Nuclear OperatorOntario Power Generation | $134,148Benefits $1,243Total $135,392 |
| 2009 | Nuclear OperatorOntario Power Generation | $121,519Benefits $1,228Total $122,747 |
| 2008 | Nuclear OperatorOntario Power Generation | $105,395Benefits $1,235Total $106,630 |
| 2007 | Nuclear OperatorOntario Power Generation | $101,457Benefits $1,160Total $102,616 |
Take-Home Pay
(After Tax) · 2025 estimate
In 2025, Sandra Mostowy's $162,636 salary works out to roughly $110,839 after income tax, CPP and EI — an all-in deduction rate of about 31.8%. At Ontario Power Generation, 10,346 people made the 2025 list with a median salary of $161,066; Sandra Mostowy's total compensation of $171,038 ranked #4,509. 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
- ~$110,839
- Effective income-tax rate (excl. CPP/EI)
- ~28.5%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~31.8%
- vs. 2025 Nuclear Operator median
- about even
Where does $162,636 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.