Jeffrey Cowle

Ontario Power Generation/Mechanical Technician First Line Manager Assistant

2025 Salary

$205,902

Total compensation $214,727, including $8,824 in taxable benefits.

Source: Ontario’s Public Sector Salary Disclosure — names paid $100,000 or more that year. How we build this · Report an error on this page

At a Glance
2025

Employer Rank

#1,496

Ontario Power Generation

Years on List

2006–2025

Peak Salary

$234,756

2024

Full 2025 roster at Ontario Power Generation →·See where $205,902 ranks →

Total Compensation History

Total compensation, 2006–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
2006–2025

$111,052 in 2006 is worth about $167,137 in 2025 dollars.

Full salary history, by year
Year	Employer	Position	Salary	Benefits	Total
2025	Ontario Power Generation	Mechanical Technician First Line Manager AssistantOntario Power Generation	$205,902Benefits $8,824Total $214,727	$8,824	$214,727
2024	Ontario Power Generation	Mechanical Technician First Line Manager AssistantOntario Power Generation	$234,756Benefits $7,468Total $242,224	$7,468	$242,224
2023	Ontario Power Generation	Mechanical Technician First Line Manager AssistantOntario Power Generation	$231,053Benefits $7,233Total $238,286	$7,233	$238,286
2022	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$206,528Benefits $7,939Total $214,467	$7,939	$214,467
2021	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$182,490Benefits $5,695Total $188,186	$5,695	$188,186
2020	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$198,765Benefits $5,110Total $203,875	$5,110	$203,875
2019	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$203,200Benefits $4,425Total $207,625	$4,425	$207,625
2018	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$159,031Benefits $4,433Total $163,465	$4,433	$163,465
2017	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$170,451Benefits $4,916Total $175,367	$4,916	$175,367
2016	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$164,621Benefits $1,381Total $166,003	$1,381	$166,003
2015	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$163,027Benefits $1,372Total $164,399	$1,372	$164,399
2014	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$166,469Benefits $1,366Total $167,834	$1,366	$167,834
2013	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$171,667Benefits $1,350Total $173,018	$1,350	$173,018
2012	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$146,460Benefits $1,333Total $147,793	$1,333	$147,793
2011	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$147,666Benefits $1,319Total $148,985	$1,319	$148,985
2010	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$152,832Benefits $1,256Total $154,087	$1,256	$154,087
2009	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$177,499Benefits $1,230Total $178,729	$1,230	$178,729
2008	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$154,333Benefits $1,212Total $155,545	$1,212	$155,545
2007	Ontario Power Generation	Mechanical Maintainer JourneypersonOntario Power Generation	$127,081Benefits $1,116Total $128,197	$1,116	$128,197
2006	Ontario Power Generation	Mechanical Maintainer JourneypersonOntario Power Generation	$111,052Benefits $1,118Total $112,169	$1,118	$112,169

Take-Home Pay
(After Tax) · 2025 estimate

Take-home on Jeffrey Cowle's 2025 salary of $205,902 comes to roughly $133,608 once federal and Ontario income tax (about 32.4% effective) is deducted. Within Ontario Power Generation, Jeffrey Cowle's total compensation of $214,727 was the #1,496 of 10,346, against a median salary of $161,066. That is about 12% less than the $234,756 paid in 2024. This estimate leaves out pension contributions; members of OMERS, OTPP, HOOPP or OPTrust typically take home another 7–10% less.

Estimated net pay: ~$133,608
Effective income-tax rate (excl. CPP/EI): ~32.4%
CPP + EI contributions: ~$5,507
All-in deduction rate (incl. CPP/EI): ~35.1%
vs. 2025 Mechanical Technician First Line Manager Assistant median: about even

Where does $205,902 rank on the Sunshine List? →

Estimate only: 2025 federal and Ontario rates, basic personal amounts, Canada employment amount and CPP/EI credits; single, employment income only, salary treated as full-year income. Ignores pension contributions (OMERS, HOOPP, OTPP, OPTrust and similar plans lower actual take-home), union dues, RRSPs and benefits.

Also at Ontario Power Generation
2025

Also at Ontario Power Generation, 2025
#	Name	Position	Salary	Total
1	Kenneth Hartwick	Special Advisor	$1,907,409	$1,910,992
2	Nicolle Butcher	President and Chief Executive Officer	$1,596,218	$1,598,309
3	Steve Gregoris	Chief Nuclear Officer	$1,092,855	$1,096,651
4	Aida Cipolla	Chief Financial Officer and Chief Administrative Officer	$1,013,496	$1,016,119
5	Subo Sinnathamby	Chief Projects Officer	$981,476	$985,253
6	Mark Knutson	Chief Enterprise Engineering and Chief Nuclear Engineer	$856,947	$859,793
7	Jon Franke	Senior Vice President Nuclear	$826,655	$828,637
8	Shelley Babin	Chief Operations Officer	$748,469	$750,849
9	Brenda Macdonald	Chief Commercial Officer	$727,479	$729,740
10	David Kaposi	Executive Vice President Investment Strategy and Business Development	$701,432	$703,541