James Treadwell
Ontario Power Generation/First Line Manager, Cost and Scheduling
2025 Salary
$135,799Total compensation $142,447, including $6,648 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
#7,641Ontario Power Generation
Years on List
82017–2025
Peak Salary
$146,6512024
Full 2025 roster at Ontario Power Generation →·See where $135,799 ranks →
Total Compensation History
Full History
2017–2025
$103,257 in 2017 is worth about $130,022 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | First Line Manager, Cost and SchedulingOntario Power Generation | $135,799 |
| 2024 | First Line Manager, Cost and SchedulingOntario Power Generation | $146,651 |
| 2023 | Planning and Cost Control TechnicianOntario Power Generation | $142,774 |
| 2022 | Planning and Cost Control TechnicianOntario Power Generation | $127,726 |
| 2021 | Planning and Cost Control TechnicianOntario Power Generation | $128,623 |
| 2020 | Planning and Cost Control TechnicianOntario Power Generation | $113,884 |
| 2019 | Planning and Cost Control TechnicianOntario Power Generation | $105,700 |
| 2017 | Emergency Response MaintainerOntario Power Generation | $103,257 |
Take-Home Pay
(After Tax) · 2025 estimate
Take-home on James Treadwell's 2025 salary of $135,799 comes to roughly $95,832 once federal and Ontario income tax (about 25.4% effective) is deducted. Compared with 2024, when the figure was $146,651, that is a drop of about 7%. James Treadwell has appeared on the list 8 times since 2017. 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
- ~$95,832
- Effective income-tax rate (excl. CPP/EI)
- ~25.4%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~29.4%
Where does $135,799 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.