Gregory Walker
Independent Electricity System Operator/System Operator / Opérateur du réseau
2025 Salary
$190,101Total compensation $190,450, including $349 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
#165Independent Electricity System Operator
Years on List
82018–2025
Peak Salary
$214,2142024
Full 2025 roster at Independent Electricity System Operator →·See where $190,101 ranks →
Total Compensation History
Full History
2018–2025
$125,078 in 2018 is worth about $153,957 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | System Operator / Opérateur du réseauIndependent Electricity System Operator | $190,101Benefits $349Total $190,450 |
| 2024 | Senior System Operator / Opérateur principal du réseauIndependent Electricity System Operator | $214,214Benefits $330Total $214,544 |
| 2023 | System Operator / Opérateur du réseauIndependent Electricity System Operator / Opérateur indépendant de réseau d'électricité | $193,149Benefits $358Total $193,507 |
| 2022 | System Operator / Opérateur du réseauIndependent Electricity System Operator | $176,859Benefits $399Total $177,257 |
| 2021 | Assistant System Operator / Opérateur du réseau adjointIndependent Electricity System Operator | $157,472Benefits $375Total $157,847 |
| 2020 | Assistant System Operator / Opérateur du réseau adjointIndependent Electricity System Operator | $150,318Benefits $354Total $150,673 |
| 2019 | Assistant System Operator / Opérateur du réseau adjointIndependent Electricity System Operator | $135,103Benefits $356Total $135,459 |
| 2018 | Assistant System Operator / Opérateur du réseau adjointIndependent Electricity System Operator | $125,078Benefits $291Total $125,369 |
Take-Home Pay
(After Tax) · 2025 estimate
In 2025, Gregory Walker's $190,101 salary works out to roughly $125,585 after income tax, CPP and EI — an all-in deduction rate of about 33.9%. That is about 11% less than the $214,214 paid in 2024. Within Independent Electricity System Operator, Gregory Walker's total compensation of $190,450 was the #165 of 1,002, against a median salary of $155,810. After pension contributions (probably PSPP or OPTrust in this sector), take-home is usually a further 7–10% lower.
- Estimated net pay
- ~$125,585
- Effective income-tax rate (excl. CPP/EI)
- ~31.0%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~33.9%
- vs. 2025 System Operator median
- −7%
Where does $190,101 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.