Mark Armstrong
Ontario Power Generation/Director Programs and Strategy
2025 Salary
$254,711Total compensation $256,387, including $1,676 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
#570Ontario Power Generation
Years on List
152011–2025
Peak Salary
$254,7112025
Full 2025 roster at Ontario Power Generation →·See where $254,711 ranks →
Total Compensation History
Full History
2011–2025
$100,856 in 2011 is worth about $138,119 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Director Programs and StrategyOntario Power Generation | $254,711Benefits $1,676Total $256,387 |
| 2024 | Director Plant OperationsOntario Power Generation | $243,705Benefits $1,621Total $245,326 |
| 2023 | Director Plant OperationsOntario Power Generation | $227,483Benefits $1,557Total $229,040 |
| 2022 | Director, Plant OperationsOntario Power Generation | $230,018Benefits $1,515Total $231,533 |
| 2021 | Production Manager Hydro/ThermalOntario Power Generation | $214,117Benefits $2,836Total $216,953 |
| 2020 | Production Manager Hydro/ThermalOntario Power Generation | $198,344Benefits $1,684Total $200,027 |
| 2019 | Production Manager Hydro/ThermalOntario Power Generation | $184,775Benefits $1,361Total $186,136 |
| 2018 | Production Manager Hydro/ThermalOntario Power Generation | $174,366Benefits $1,290Total $175,656 |
| 2017 | Project Manager, Electricity ProductionOntario Power Generation | $158,176Benefits $1,207Total $159,384 |
| 2016 | Manager Work Centre/MaintenanceOntario Power Generation | $158,516Benefits $1,173Total $159,688 |
| 2015 | Manager Work Centre/MaintenanceOntario Power Generation | $142,263Benefits $1,069Total $143,332 |
| 2014 | Plant Technical Support ManagerOntario Power Generation | $123,793Benefits $1,037Total $124,830 |
| 2013 | Plant Technical Support ManagerOntario Power Generation | $119,402Benefits $806Total $120,208 |
| 2012 | Cost and Schedule AnalystOntario Power Generation | $105,599Benefits $707Total $106,307 |
| 2011 | Cost & Schedule AnalystOntario Power Generation | $100,856Benefits $664Total $101,519 |
Take-Home Pay
(After Tax) · 2025 estimate
Of the $254,711 Mark Armstrong earned in 2025, roughly $158,322 would remain after income tax, CPP and EI, an all-in deduction rate of about 37.8%. It is up about 5% on the $243,705 paid in 2024. Records under this name have appeared on the Sunshine List 15 years in all, first in 2011. Members of OMERS, OTPP, HOOPP or OPTrust typically take home another 7–10% less after pension contributions, which this estimate leaves out.
- Estimated net pay
- ~$158,322
- Effective income-tax rate (excl. CPP/EI)
- ~35.7%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~37.8%
Where does $254,711 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.