Mark Alphonso was paid $170,315.76 in total compensation as Supervising Nuclear Operator First Line Manager Assistant at Ontario Power Generation in 2025, 70% above Ontario's $100,000.00 Sunshine List threshold.
Mark Alphonso has appeared on the Ontario Sunshine List 16 times since 2010, earning $2.4M in combined disclosed pay — an average of $146,951.00 a year, up 35% over that span.
That is 0% above the average disclosed pay of $170,201.67 across 10,346 listed Ontario Power Generation employees.
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16 years on the list
Annual total compensation (CAD) — hover to inspect.
The career in numbers
Totals, averages, and the biggest moves — all total compensation.
A career, year by year.
How Mark Alphonso's total compensation has moved across 16 years on the Ontario Sunshine List.
Year-by-year history
16 years on the Sunshine List.
| Year | Total Compensation | Change |
|---|---|---|
2025Latest★ Best | $170,315.76 | ▲ 4.7% |
2024 | $162,711.90 | ▲ 0.6% |
2023 | $161,705.61 | ▲ 17.4% |
2022 | $137,701.32 | ▼ 2.0% |
2021 | $140,535.69 | ▲ 3.8% |
2020 | $135,420.22 | ▼ 11.9% |
2019 | $153,626.15 | ▼ 1.5% |
2018 | $155,969.09 | ▲ 1.0% |
2017 | $154,391.71 | ▲ 3.2% |
2016 | $149,599.65 | ▼ 0.9% |
2015 | $150,891.57 | ▲ 2.9% |
2014 | $146,638.65 | ▲ 1.8% |
2013 | $144,044.67 | ▲ 9.9% |
2012 | $131,116.01 | ▲ 0.4% |
2011 | $130,574.55 | ▲ 3.7% |
2010First | $125,970.38 | — |
| 16 years total | $2.4M total | $146,951.00 avg |
The record
Source data and how to request a correction.
Employee details
- Position
- Supervising Nuclear Operator First Line Manager Assistant
- Employer
- Ontario Power Generation
- Sector
- —
- Province
- Ontario
- First appeared
- 2010
- Latest disclosure
- 2025
- Years on list
- 16
Data source
Salary data is published annually by the Ontario government under the Public Sector Salary Disclosure Act. Only employees earning $100,000+ are disclosed.
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