Plant Engineer/Officer salary in Ontario
17 people with this title were paid $100,000 or more in 2025. Half earned between $115,144 and $127,638.
Median salary by year
Among people with this title on the list.
Show as a table
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| 2016 | $105,394 |
| 2017 | $115,720 |
| 2018 | $110,146 |
| 2019 | $114,038 |
| 2020 | $122,401 |
| 2021 | $110,748 |
| 2022 | $117,659 |
| 2023 | $131,932 |
| 2024 | $125,668 |
| 2025 | $123,053 |
Pay bands
People with this title by salary, 2025.
Employers with the most
Highest paid in 2025
Questions and answers
What is the median salary for a Plant Engineer/Officer in Ontario’s public sector?
$123,053 among the 17 people with this title on the 2025 list. Only people paid $100,000 or more are listed, so this is not the median for everyone in the job.
How much do most people with the title Plant Engineer/Officer on the list earn?
Half were paid between $115,144 and $127,638 in 2025; the highest salary was $162,411.
Which employer has the most people with the title Plant Engineer/Officer?
Ontario Power Generation, with 17 on the 2025 list.
How many people with the title Plant Engineer/Officer are on the list?
17 in 2025, up from 6 in 2016.
What share of people with the title Plant Engineer/Officer are paid $150,000 or more?
6% of those on the 2025 list (1 people), and 0% $200,000 or more (0).
How does Plant Engineer/Officer pay compare with the whole list?
Its median, $123,053, is 0.6% above the median of everyone on the 2025 list ($122,262).
How much does a Plant Engineer/Officer make at Ontario Power Generation?
The median salary of the 17 people with this title at Ontario Power Generation was $123,053 in 2025.
Has Plant Engineer/Officer pay gone up?
The median fell 2.1% from 2024 ($125,668) to 2025. In 2016 it was $105,394.
What does “salary paid” include?
What the employer paid in the calendar year, so it can include overtime, retroactive pay, vacation payouts, severance or a partial year. Taxable benefits are listed separately. How the lists work
Why is someone not on the list?
Only people paid $100,000 or more in the year are listed, and only by the public employers the Public Sector Salary Disclosure Act, 1996 covers. Someone paid less that year, or working elsewhere, does not appear.