Ontario Power Generation
Hydro One and Ontario Power Generation · FY2025
10,346 disclosed employees* in 2025
16 yrs on file (2010–2025)
31.8% estimated female
Avg. salary
$170,202
Avg. total comp
$173,877
Total disclosed salary*
$1,760,906,442
⇄ Compare this employer with…
Total disclosed salary & employees over time 2010–2025
Total disclosed salary
Disclosed employees
Top positions FY2025 · ranked by disclosed employees
| # | Position | Disclosed Emp. | Median salary | P90 salary | Raise |
|---|---|---|---|---|---|
| 1 | Nuclear Operator province-wide | 781 | $170,673 | $283,030 | +5.5% |
| 2 | Electrical and Control Technician province-wide | 576 | $167,889 | $210,314 | +2.8% |
| 3 | Senior Technical Engineer province-wide | 464 | $155,130 | $182,420 | +3.6% |
| 4 | Mechanical Technician province-wide | 406 | $160,695 | $198,605 | +2.5% |
| 5 | Civil Maintainer province-wide | 299 | $130,828 | $164,284 | +0.0% |
| 6 | Foreman province-wide | 276 | $148,420 | $187,103 | -11.6% |
| 7 | Mechanic province-wide | 263 | $179,056 | $228,043 | +1.9% |
| 8 | Control Technician province-wide | 260 | $150,390 | $180,906 | +4.8% |
| 9 | Nuclear Security Officer province-wide | 260 | $140,658 | $168,084 | +2.8% |
| 10 | Mechanical Technician and Technologist province-wide | 253 | $152,442 | $187,812 | +5.1% |
Workforce history 2010–2025
| Year | Disclosed Emp. | Avg. salary | Avg. total comp | Total disclosed salary | Newly disclosed | Gender |
|---|---|---|---|---|---|---|
| 2025 | 10,346 | $170,202 | $173,877 | $1,760,906,442 | 9.3% | 31.8% F |
| 2024 | 10,007 | $167,980 | $171,465 | $1,680,977,249 | 12.5% | 30.6% F |
| 2023 | 9,310 | $165,515 | $169,243 | $1,540,940,544 | 14.8% | 28.8% F |
| 2022 | 8,228 | $154,762 | $158,524 | $1,273,377,661 | 8.4% | 27.0% F |
| 2021 | 8,401 | $152,941 | $156,452 | $1,284,854,410 | 8.8% | 26.1% F |
| 2020 | 8,225 | $152,704 | $156,063 | $1,255,993,718 | 11.3% | 25.7% F |
| 2019 | 8,043 | $147,465 | $150,553 | $1,186,059,413 | 8.6% | 24.5% F |
| 2018 | 7,919 | $144,820 | $148,107 | $1,146,826,397 | 8.0% | 23.5% F |
| 2017 | 7,878 | $143,603 | $146,507 | $1,131,306,805 | 10.8% | 23.1% F |
| 2016 | 7,730 | $143,038 | $144,369 | $1,105,682,896 | 8.3% | 22.4% F |
| 2015 | 7,632 | $140,665 | $142,007 | $1,073,555,814 | 7.4% | 21.8% F |
| 2014 | 12,017 | $134,407 | $135,686 | $1,615,163,422 | 10.4% | 19.6% F |
| 2013 | 11,777 | $136,660 | $137,876 | $1,609,446,601 | 10.1% | 19.2% F |
| 2012 | 11,357 | $134,668 | $135,935 | $1,529,426,951 | 9.4% | 18.8% F |
| 2011 | 11,189 | $134,090 | $135,306 | $1,500,334,155 | 13.8% | 17.8% F |
| 2010 | 10,607 | $133,602 | $134,750 | $1,417,119,302 | 100.0% | 17.3% F |
"Newly disclosed" is the share of that year's disclosed employees appearing on the list for the first time anywhere — not a hire rate. Many already worked here and simply crossed the $100,000 threshold. Gender is a name-based estimate, shown only for years with 20 or more disclosed employees.
Top disclosed earners FY2025
| # | Name | Title | Total comp | YoY | Sector rank | Position rank |
|---|---|---|---|---|---|---|
| 1 | Kenneth Hartwick | Special Advisor | $1,910,992 | -5.1% | 1/10672 | — |
| 2 | Nicolle Butcher | President and Chief Executive Officer | $1,598,309 | +63.1% | 2/10672 | 1/2 |
| 3 | Steve Gregoris | Chief Nuclear Officer | $1,096,651 | +18.9% | 3/10672 | — |
| 4 | Aida Cipolla | Chief Financial Officer and Chief Administrative Officer | $1,016,119 | +21.4% | 4/10672 | — |
| 5 | Subo Sinnathamby | Chief Projects Officer | $985,253 | +15.6% | 5/10672 | — |
| 6 | Mark Knutson | Chief Enterprise Engineering and Chief Nuclear Engineer | $859,793 | +13.7% | 6/10672 | — |
| 7 | Jon Franke | Senior Vice President Nuclear | $828,637 | +1.0% | 7/10672 | — |
| 8 | Shelley Babin | Chief Operations Officer | $750,849 | +31.5% | 8/10672 | — |
| 9 | Brenda Macdonald | Chief Commercial Officer | $729,740 | +9.5% | 9/10672 | — |
| 10 | David Kaposi | Executive Vice President Investment Strategy and Business Development | $703,541 | +20.8% | 10/10672 | — |