Canada · Public Sector Salary DisclosureEdition 2025
MP
On the 2025 Sunshine List · 8 years

Mark Prior

Nuclear Operator · Ontario Power Generation
Nuclear OperatorOntarioFirst listed 2018
2025 Total Compensation Paid
$182,717.46
▲ 69.9% since 2018

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.

$182,717.46
Latest compensation
in 2025
$1.3M
Total compensation
across 8 years
$163,367.00
Average / year
while on Sunshine List
+69.9%
Career growth
since 2018
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FIG. 01

8 years on the list

Annual total compensation (CAD) — hover to inspect.

$89K$122K$155K$188K$220K20182019202020212022202320242025
FIG. 02

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.

Highest year2023 · $208,342.71
Lifetime total compensation$1.3M
Annual average$163,367.00
Total growth since 2018+69.9%
Biggest raise+47.3% (2020)
Biggest drop-11.1% (2024)
FIG. 03

Year-by-year history

8 years on the Sunshine List.

YearPositionTotal CompensationChange
2025Latest
Nuclear Operator$182,717.46▼ 1.3%
2024
Nuclear Operator$185,160.35▼ 11.1%
2023★ Best
$208,342.71▲ 1.5%
2022
Nuclear Operator$205,302.28▲ 41.2%
2021
Nuclear Operator$145,410.33▼ 10.4%
2020
Nuclear Operator$162,268.23▲ 47.3%
2019
Nuclear Operator$110,193.54▲ 2.5%
2018First
Nuclear Operator$107,543.03
8 years total$1.3M total$163,367.00 avg
FIG. 04

The record

Source data and how to request a correction.

Employee details

Position
Nuclear Operator
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

This data comes from official government disclosures. For removal requests, contact the Ontario government directly.

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