Mark Johnston
Ontario Power Generation/Senior Information Systems Analyst
2025 Salary
$153,848Total compensation $154,730, including $881 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
#6,418Ontario Power Generation
Years on List
32023–2025
Peak Salary
$162,5452024
Full 2025 roster at Ontario Power Generation →·See where $153,848 ranks →
Total Compensation History
Full History
2023–2025
$143,165 in 2023 is worth about $149,635 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Senior Information Systems AnalystOntario Power Generation | $153,848Benefits $881Total $154,730 |
| 2024 | Senior Information Systems AnalystOntario Power Generation | $162,545Benefits $852Total $163,398 |
| 2023 | Senior Information Systems AnalystOntario Power Generation | $143,165Benefits $795Total $143,960 |
Take-Home Pay
(After Tax) · 2025 estimate
Take-home on Mark Johnston's 2025 salary of $153,848 comes to roughly $106,003 once federal and Ontario income tax (about 27.5% effective) is deducted. On total compensation of $154,730, Mark Johnston ranked #6,418 of 10,346 disclosed at Ontario Power Generation that year, where the median salary was $161,066. Mark Johnston has appeared on the list 3 times since 2023. 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
- ~$106,003
- Effective income-tax rate (excl. CPP/EI)
- ~27.5%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~31.1%
- vs. 2025 Senior Information Systems Analyst median
- +1%
Where does $153,848 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.