John Wolla
Ontario Power Generation/Appendix A Civil Maintainer
2025 Salary
$116,134Total compensation $116,134, including $0 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
#9,504Ontario Power Generation
Years on List
32021–2025
Peak Salary
$120,1352021
Full 2025 roster at Ontario Power Generation →·See where $116,134 ranks →
Total Compensation History
Full History
2021–2025
$120,135 in 2021 is worth about $139,309 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Appendix A Civil MaintainerOntario Power Generation | $116,134 |
| 2023 | Appendix A Civil MaintainerOntario Power Generation | $109,001 |
| 2021 | Appendix A Civil MaintainerOntario Power Generation | $120,135 |
Take-Home Pay
(After Tax) · 2025 estimate
Take-home on John Wolla's 2025 salary of $116,134 comes to roughly $84,704 once federal and Ontario income tax (about 22.3% effective) is deducted. Within Ontario Power Generation, John Wolla's total compensation of $116,134 was the #9,504 of 10,346, against a median salary of $161,066. John Wolla has appeared on the list 3 times since 2021. This estimate leaves out pension contributions; members of OMERS, OTPP, HOOPP or OPTrust typically take home another 7–10% less.
- Estimated net pay
- ~$84,704
- Effective income-tax rate (excl. CPP/EI)
- ~22.3%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~27.1%
- vs. 2025 Appendix a Civil Maintainer median
- −4%
Where does $116,134 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.