Mark Sellars
Senior System Operator / Opérateur principal du réseau at Independent Electricity System Operator. On Ontario’s disclosure list 18 years between 2008 and 2025.
Senior System Operator / Opérateur principal du réseau
Independent Electricity System Operator
- Salary paid
- $221,763.56
- Taxable benefits
- $384.56
- Total disclosed
- $222,148.12
Change from 2024: +$44,871 (+25.4%)18years on
the list
Among 18 people with the title “Senior System Operator / Opérateur principal du réseau” in 2025
Paid more than 50% of them. Their median: $220,526.
Among 1,002 people at Independent Electricity System Operator in 2025
59th highest paid. Their median: $155,810.
Paid more than 96% of everyone on the 2025 disclosure list, which only lists people paid $100,000 or more.
Salary by year
Show as a table
| Year | Salary | Median for the job |
|---|---|---|
| 2008 | $111,568 | $111,568 |
| 2009 | $117,907 | $123,775 |
| 2010 | $117,357 | $131,616 |
| 2011 | $132,394 | $132,062 |
| 2012 | $136,536 | $136,083 |
| 2013 | $141,135 | $137,933 |
| 2014 | $150,613 | $137,714 |
| 2015 | $163,159 | $150,663 |
| 2016 | $152,173 | $168,464 |
| 2017 | $153,977 | $169,117 |
| 2018 | $170,098 | $155,001 |
| 2019 | $181,239 | $159,786 |
| 2020 | $173,249 | $188,952 |
| 2021 | $164,982 | $191,499 |
| 2022 | $165,037 | $191,023 |
| 2023 | $189,104 | $210,252 |
| 2024 | $176,892 | $211,587 |
| 2025 | $221,764 | $220,526 |
History
Compare
Questions and answers
Why is Mark Sellars on the disclosure list?
Independent Electricity System Operator paid Mark Sellars $221,764 in 2025. Ontario’s public employers must disclose everyone they paid $100,000 or more in a calendar year, under the Public Sector Salary Disclosure Act, 1996.
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
What do the comparisons mean?
Ranks and shares are among people on the same year’s list only: those with the same title, those at the same employer, or everyone listed. People paid under $100,000 are not on the list, so they are not counted.
How do I report a mistake or ask for a record to be removed?
Privacy and corrections explains both. Figures are shown exactly as Ontario published them; we fix matching mistakes and handle removal requests there.
Years at different employers were matched because the name appears once on each year’s list with the same job or sector. Salary paid can include overtime, retroactive pay and one-time payments. Figures are exactly as Ontario published them. How we match years · Report a mistake or ask for removal