Gareth Marsh
Ontario Power Generation/Information Systems Technician
2025 Salary
$155,792Total compensation $157,372, including $1,580 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
#6,085Ontario Power Generation
Years on List
42022–2025
Peak Salary
$162,0382024
Full 2025 roster at Ontario Power Generation →·See where $155,792 ranks →
Total Compensation History
Full History
2022–2025
$116,113 in 2022 is worth about $126,096 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Information Systems TechnicianOntario Power Generation | $155,792Benefits $1,580Total $157,372 |
| 2024 | Information Systems TechnicianOntario Power Generation | $162,038Benefits $1,491Total $163,529 |
| 2023 | Information Systems TechnicianOntario Power Generation | $136,294Benefits $1,403Total $137,696 |
| 2022 | Information Systems TechnicianOntario Power Generation | $116,113Benefits $597Total $116,710 |
Take-Home Pay
(After Tax) · 2025 estimate
Take-home on Gareth Marsh's 2025 salary of $155,792 comes to roughly $107,073 once federal and Ontario income tax (about 27.7% effective) is deducted. That is about 22% above the 2025 median of $127,917 for Information Systems Technician on the Sunshine List. Gareth Marsh has appeared on the list 4 times since 2022. 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
- ~$107,073
- Effective income-tax rate (excl. CPP/EI)
- ~27.7%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~31.3%
- vs. 2025 Information Systems Technician median
- +22%
Where does $155,792 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.