Skip to content

Anna Ziarko

Ontario Power Generation/Senior Internal Auditor

2025 Salary

$173,496

Total compensation $180,580, including $7,084 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

#3,616

Ontario Power Generation

Years on List

20

2006–2025

Peak Salary

$173,496

2025

Full 2025 roster at Ontario Power Generation →·See where $173,496 ranks →

Total Compensation History

Total compensation by yearLine chart of 20 yearly values of total compensation, from $101,290 in 2006 to $180,580 in 2025.$100K$125K$150K$175K$200K200620102014201720212025
Total compensation, 2006–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
2006–2025

$100,712 in 2006 is worth about $151,576 in 2025 dollars.

Full salary history, by year
YearPositionSalary
2025Senior Internal AuditorOntario Power Generation$173,496Benefits $7,084Total $180,580
2024Senior Internal AuditorOntario Power Generation$167,144Benefits $6,437Total $173,581
2023Senior Internal AuditorOntario Power Generation$163,876Benefits $5,898Total $169,774
2022Staff Internal AuditorOntario Power Generation$148,592Benefits $5,412Total $154,003
2021Staff Internal AuditorOntario Power Generation$147,752Benefits $4,827Total $152,579
2020Staff Internal AuditorOntario Power Generation$150,191Benefits $4,329Total $154,520
2019Staff Internal AuditorOntario Power Generation$141,796Benefits $3,662Total $145,458
2018Staff Internal AuditorOntario Power Generation$139,286Benefits $3,933Total $143,220
2017Staff Internal AuditorOntario Power Generation$140,503Benefits $931Total $141,434
2016Staff Internal AuditorOntario Power Generation$137,485Benefits $921Total $138,406
2015Staff Internal AuditorOntario Power Generation$134,977Benefits $914Total $135,890
2014Staff Internal AuditorOntario Power Generation$132,664Benefits $898Total $133,561
2013Staff Internal AuditorOntario Power Generation$130,454Benefits $878Total $131,332
2012Staff Internal AuditorOntario Power Generation$129,036Benefits $872Total $129,907
2011Staff Internal AuditorOntario Power Generation$128,014Benefits $846Total $128,860
2010Staff Internal AuditorOntario Power Generation$122,228Benefits $725Total $122,953
2009Staff Internal AuditorOntario Power Generation$121,000Benefits $691Total $121,691
2008Staff Internal AuditorOntario Power Generation$114,570Benefits $697Total $115,266
2007Auditor/AssessorOntario Power Generation$110,919Benefits $548Total $111,467
2006Auditor/AssessorOntario Power Generation$100,712Benefits $578Total $101,290

Take-Home Pay
(After Tax) · 2025 estimate

Of the $173,496 Anna Ziarko earned in 2025, roughly $116,815 would remain after income tax, CPP and EI, an all-in deduction rate of about 32.7%. Among those listed as Senior Internal Auditor in 2025, the median was $127,798; this salary sits about 36% above it. That is about 4% more than the $167,144 paid in 2024. This estimate leaves out pension contributions; members of OMERS, OTPP, HOOPP or OPTrust typically take home another 7–10% less.

Estimated net pay
~$116,815
Effective income-tax rate (excl. CPP/EI)
~29.5%
CPP + EI contributions
~$5,507
All-in deduction rate (incl. CPP/EI)
~32.7%
vs. 2025 Senior Internal Auditor median
+36%

Where does $173,496 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.

Also at Ontario Power Generation
2025

View all 10,346 employees at Ontario Power Generation (2025) →