Ernest Chui
Independent Electricity System Operator/Vice President and Chief Financial Officer, Corporate Services / Vice-président(e) et Directeur(rice) financier(ère) – Services d’entreprise
2025 Salary
$326,201Total compensation $326,815, including $614 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
#7Independent Electricity System Operator
Years on List
32023–2025
Peak Salary
$326,2012025
Full 2025 roster at Independent Electricity System Operator →·See where $326,201 ranks →
Total Compensation History
Full History
2023–2025
$238,064 in 2023 is worth about $248,823 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Vice President and Chief Financial Officer, Corporate Services / Vice-président(e) et Directeur(rice) financier(ère) – Services d’entrepriseIndependent Electricity System Operator | $326,201Benefits $614Total $326,815 |
| 2024 | Vice President Corporate and Market Services and Chief Financial Officer / Directeur financier et vice-président - Services d’entreprise et de marchéIndependent Electricity System Operator | $319,648Benefits $614Total $320,262 |
| 2023 | Vice President, Corporate Services and Chief Financial Officer / Vice-président – Services intégrés et directeur des financesIndependent Electricity System Operator / Opérateur indépendant de réseau d'électricité | $238,064Benefits $974Total $239,038 |
Take-Home Pay
(After Tax) · 2025 estimate
Of the $326,201 Ernest Chui earned in 2025, roughly $191,543 would remain after income tax, CPP and EI, an all-in deduction rate of about 41.3%. Compared with 2024, when the figure was $319,648, that is a rise of about 2%. Records under this name have appeared on the Sunshine List 3 years in all, first in 2023. After pension contributions (probably PSPP or OPTrust in this sector), take-home is usually a further 7–10% lower.
- Estimated net pay
- ~$191,543
- Effective income-tax rate (excl. CPP/EI)
- ~39.6%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~41.3%
Where does $326,201 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.