Public Salaries
Ontario public pay

John Wolla

Appendix A Civil Maintainer at Ontario Power Generation. On Ontario’s disclosure list 3 years between 2021 and 2025.

Salary disclosure2025
John Wolla
Appendix A Civil Maintainer
Ontario Power Generation
Salary paid
$116,133.97
Taxable benefits
$0.00
Total disclosed
$116,133.97
Source: Government of Ontario, Public Sector Salary Disclosure Act, 1996. © King’s Printer for Ontario.
Previously on the list in 2023
3years on
the list

Among 33 people with the title “Appendix A Civil Maintainer” in 2025

Paid more than 30% of them. Their median: $120,730.

Among 10,346 people at Ontario Power Generation in 2025

9,382nd highest paid. Their median: $161,066.

Paid more than 30% of everyone on the 2025 disclosure list, which only lists people paid $100,000 or more.

middle 80%middle halfmedianthis personspacing grows with pay (log scale)

Salary by year

Show as a table
YearSalaryMedian for the job
2021$120,135$109,824
2023$109,001$108,614
2025$116,134$120,730

History

Years are matched by name and employer. Salary paid can include overtime, retroactive pay and one-time payments. Figures are exactly as Ontario published them. How we match years · Report a mistake or ask for removal