John Koshy
Ontario Power Generation/Plant Engineer/Officer
2025 Salary
$144,020Total compensation $144,791, including $771 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
#7,430Ontario Power Generation
Years on List
42021–2025
Peak Salary
$150,1122024
Full 2025 roster at Ontario Power Generation →·See where $144,020 ranks →
Total Compensation History
Full History
2021–2025
$100,510 in 2021 is worth about $116,552 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Plant Engineer/OfficerOntario Power Generation | $144,020Benefits $771Total $144,791 |
| 2024 | Plant Engineer/OfficerOntario Power Generation | $150,112Benefits $724Total $150,837 |
| 2023 | Plant Engineer/OfficerOntario Power Generation | $132,329Benefits $652Total $132,981 |
| 2021 | Plant Engineer/OfficerOntario Power Generation | $100,510Benefits $578Total $101,088 |
Take-Home Pay
(After Tax) · 2025 estimate
In 2025, John Koshy's $144,020 salary works out to roughly $100,485 after income tax, CPP and EI — an all-in deduction rate of about 30.2%. For comparison, the median Plant Engineer Officer on the 2025 list was paid $123,053; this salary is about 17% more. John Koshy has appeared on the list 4 times since 2021. This estimate leaves out pension contributions; members of OMERS, OTPP, HOOPP or OPTrust typically take home another 7–10% less.
- Estimated net pay
- ~$100,485
- Effective income-tax rate (excl. CPP/EI)
- ~26.4%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~30.2%
- vs. 2025 Plant Engineer Officer median
- +17%
Where does $144,020 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.