Joseph Diening
Ontario Power Generation/Vice President New Nuclear Growth
2025 Salary
$418,018Total compensation $418,611, including $593 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
#54Ontario Power Generation
Years on List
152010–2025
Peak Salary
$418,0182025
Full 2025 roster at Ontario Power Generation →·See where $418,018 ranks →
Total Compensation History
Full History
2010–2025
$116,565 in 2010 is worth about $164,291 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Vice President New Nuclear GrowthOntario Power Generation | $418,018Benefits $593Total $418,611 |
| 2024 | Project DirectorOntario Power Generation | $303,067Benefits $564Total $303,631 |
| 2023 | Project DirectorOntario Power Generation | $255,598Benefits $542Total $256,140 |
| 2022 | Project DirectorOntario Power Generation | $234,641Benefits $528Total $235,169 |
| 2021 | Project DirectorOntario Power Generation | $225,302Benefits $517Total $225,819 |
| 2020 | Project DirectorOntario Power Generation | $224,370Benefits $506Total $224,876 |
| 2019 | Project DirectorOntario Power Generation | $196,651Benefits $983Total $197,634 |
| 2018 | Manager ProjectsOntario Power Generation | $177,933Benefits $427Total $178,359 |
| 2017 | Manager ProjectsOntario Power Generation | $161,327Benefits $1,244Total $162,571 |
| 2016 | Manager ProjectsOntario Power Generation | $145,198Benefits $1,188Total $146,386 |
| 2015 | Manager ProjectsOntario Power Generation | $142,662Benefits $1,045Total $143,708 |
| 2014 | Section Manager, ProjectsOntario Power Generation | $121,652Benefits $907Total $122,559 |
| 2013 | Section Manager, ProjectsOntario Power Generation | $126,753Benefits $706Total $127,458 |
| 2011 | Section Manager, ProjectsOntario Power Generation | $119,874Benefits $777Total $120,651 |
| 2010 | Associate Engineer/Scientist/Technical OfficerOntario Power Generation | $116,565Benefits $660Total $117,225 |
Take-Home Pay
(After Tax) · 2025 estimate
Take-home on Joseph Diening's 2025 salary of $418,018 comes to roughly $234,210 once federal and Ontario income tax (about 42.7% effective) is deducted. Within Ontario Power Generation, Joseph Diening's total compensation of $418,611 was the #54 of 10,346, against a median salary of $161,066. Joseph Diening has appeared on the list 15 times since 2010. 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
- ~$234,210
- Effective income-tax rate (excl. CPP/EI)
- ~42.7%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~44.0%
Where does $418,018 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.