Susan Sum
Independent Electricity System Operator/Specialist System Analysis / Spécialiste – Analyse des systèmes
2025 Salary
$155,704Total compensation $156,019, including $314 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
#516Independent Electricity System Operator
Years on List
122014–2025
Peak Salary
$155,7042025
Full 2025 roster at Independent Electricity System Operator →·See where $155,704 ranks →
Total Compensation History
Full History
2014–2025
$102,506 in 2014 is worth about $134,437 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Specialist System Analysis / Spécialiste – Analyse des systèmesIndependent Electricity System Operator | $155,704Benefits $314Total $156,019 |
| 2024 | Specialist System Analysis / Spécialiste - Analyse des systèmesIndependent Electricity System Operator | $150,196Benefits $307Total $150,503 |
| 2023 | Specialist System Analysis / Spécialiste – Analyse des systèmesIndependent Electricity System Operator / Opérateur indépendant de réseau d'électricité | $150,038Benefits $345Total $150,383 |
| 2022 | Specialist System Analysis / Spécialiste – Analyse des systèmesIndependent Electricity System Operator | $137,588Benefits $399Total $137,987 |
| 2021 | Specialist System Analysis / Spécialiste - Analyse des systèmesIndependent Electricity System Operator | $136,183Benefits $397Total $136,581 |
| 2020 | Specialist System Analysis / Spécialiste – Analyse des systèmesIndependent Electricity System Operator | $139,641Benefits $387Total $140,028 |
| 2019 | Specialist System Analysis / Spécialiste – Analyse des systèmesIndependent Electricity System Operator | $127,801Benefits $395Total $128,196 |
| 2018 | Specialist System Analysis / Spécialiste – Analyse des systèmesIndependent Electricity System Operator | $122,740Benefits $458Total $123,198 |
| 2017 | Specialist System Analysis / Spécialiste, Analyse des systèmesIndependent Electricity System Operator / Opérateur Indépendant De Réseau D'Électricité | $118,830Benefits $443Total $119,273 |
| 2016 | Engineer/Technical Officer - Systems Analysis / Spécialiste technique – Analyse des systèmesIndependent Electricity System Operator | $113,485Benefits $461Total $113,946 |
| 2015 | Engineer/Technical Officer - Systems Analysis / Spécialiste technique – Analyse des systèmesIndependent Electricity System Operator | $111,833Benefits $443Total $112,275 |
| 2014 | Engineer / Technical Officer - Systems Analysis / Spécialiste technique - Analyse des systèmesIndependent Electricity System Operator | $102,506Benefits $545Total $103,051 |
Take-Home Pay
(After Tax) · 2025 estimate
In 2025, Susan Sum's $155,704 salary works out to roughly $107,025 after income tax, CPP and EI — an all-in deduction rate of about 31.3%. Compared with 2024, when the figure was $150,196, that is a rise of about 4%. Records under this name have appeared on the Sunshine List 12 years in all, first in 2014. Most Crown Agencies employees belong to PSPP or OPTrust, so actual take-home is likely another 7–10% lower after pension contributions.
- Estimated net pay
- ~$107,025
- Effective income-tax rate (excl. CPP/EI)
- ~27.7%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~31.3%
Where does $155,704 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.