Mark Prior was paid $182,717.46 in total compensation as Nuclear Operator at Ontario Power Generation in 2025, 83% above Ontario's $100,000.00 Sunshine List threshold.
Mark Prior has appeared on the Ontario Sunshine List 8 times since 2018, earning $1.3M in combined disclosed pay — an average of $163,367.00 a year, up 70% over that span.
That is 7% above the average disclosed pay of $170,201.67 across 10,346 listed Ontario Power Generation employees.
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8 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 Prior's total compensation has moved across 8 years on the Ontario Sunshine List.
Year-by-year history
8 years on the Sunshine List.
| Year | Total Compensation | Change |
|---|---|---|
2025Latest | $182,717.46 | ▼ 1.3% |
2024 | $185,160.35 | ▼ 11.1% |
2023★ Best | $208,342.71 | ▲ 1.5% |
2022 | $205,302.28 | ▲ 41.2% |
2021 | $145,410.33 | ▼ 10.4% |
2020 | $162,268.23 | ▲ 47.3% |
2019 | $110,193.54 | ▲ 2.5% |
2018First | $107,543.03 | — |
| 8 years total | $1.3M total | $163,367.00 avg |
The record
Source data and how to request a correction.
Employee details
- Position
- Nuclear Operator
- Employer
- Ontario Power Generation
- Sector
- —
- Province
- Ontario
- First appeared
- 2018
- Latest disclosure
- 2025
- Years on list
- 8
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.
Name removal
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