Graham St Martin
Ontario Power Generation/Hydroelectric Operating Supervisor
At a Glance
2025
Latest Salary
$200,1972025
Total Compensation
$201,668Incl. $1,471 benefits
Employer Rank
#2,117Ontario Power Generation
Years on List
42022–2025
Salary History
Full History
2022–2025
| Year | Employer | Position | Salary | Benefits | Total |
|---|---|---|---|---|---|
| 2025 | Ontario Power Generation | Hydroelectric Operating Supervisor | $200,197 | $1,471 | $201,668 |
| 2024 | Ontario Power Generation | Hydroelectric Operating Technician | $184,655 | $1,335 | $185,990 |
| 2023 | Ontario Power Generation | — | $144,898 | $1,279 | $146,177 |
| 2022 | Ontario Power Generation | Hydroelectric Operating Technician | $119,324 | $1,038 | $120,362 |
Take-Home Pay
(After Tax) · 2025 estimate
In 2025, Graham St Martin's $200,197 salary works out to roughly $130,807 after federal and Ontario income tax — an effective rate of about 31.9%. At Ontario Power Generation, 10,346 people made the 2025 list with a median of $161,066; this salary ranked #2,117. Compared with 2024, when the figure was $184,655, that is a rise of about 8%. 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
- ~$130,807
- Effective income-tax rate (excl. CPP/EI)
- ~31.9%
- CPP + EI contributions
- ~$5,507
- vs. 2025 Hydroelectric Operating Supervisor median
- −1%
Where does $200,197 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.