Sonia Prefontaine
Energy and Mines/Manager, Geoscience Mapping
2025 Salary
$139,678Total compensation $139,951, including $273 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
#88Energy and Mines
Years on List
12025–2025
Peak Salary
$139,6782025
Full 2025 roster at Energy and Mines →·See where $139,678 ranks →
Full History
2025–2025
| Year | Position | Salary |
|---|---|---|
| 2025 | Manager, Geoscience MappingEnergy and Mines | $139,678Benefits $273Total $139,951 |
Take-Home Pay
(After Tax) · 2025 estimate
Sonia Prefontaine was paid $139,678 in 2025; after income tax, CPP and EI that is roughly $98,028, an effective income-tax rate of about 25.9%. On total compensation of $139,951, Sonia Prefontaine ranked #88 of 315 disclosed at Energy and Mines that year, where the median salary was $127,798. 2025 is the first year Sonia Prefontaine appears on the list. After pension contributions (probably PSPP or OPTrust in this sector), take-home is usually a further 7–10% lower.
- Estimated net pay
- ~$98,028
- Effective income-tax rate (excl. CPP/EI)
- ~25.9%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~29.8%
Where does $139,678 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.