John Dwinnell
Ontario Power Generation/Radiation Protection and Safety Technician
2025 Salary
$129,764Total compensation $131,195, including $1,431 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
#8,502Ontario Power Generation
Years on List
42021–2025
Peak Salary
$129,7642025
Full 2025 roster at Ontario Power Generation →·See where $129,764 ranks →
Total Compensation History
Full History
2021–2025
$128,979 in 2021 is worth about $149,565 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Radiation Protection and Safety TechnicianOntario Power Generation | $129,764 |
| 2024 | Radiation Protection and Safety TechnicianOntario Power Generation | $116,307 |
| 2023 | Radiation Protection and Safety TechnicianOntario Power Generation | $107,022 |
| 2021 | Appendix A Radiation Protection TechnicianOntario Power Generation | $128,979 |
Take-Home Pay
(After Tax) · 2025 estimate
Take-home on John Dwinnell's 2025 salary of $129,764 comes to roughly $92,417 once federal and Ontario income tax (about 24.5% effective) is deducted. On total compensation of $131,195, John Dwinnell ranked #8,502 of 10,346 disclosed at Ontario Power Generation that year, where the median salary was $161,066. It is up about 12% on the $116,307 paid in 2024. 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
- ~$92,417
- Effective income-tax rate (excl. CPP/EI)
- ~24.5%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~28.8%
- vs. 2025 Radiation Protection and Safety Technician median
- about even
Where does $129,764 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.