Stephen Dionne

Ontario Power Generation/Nuclear Security Officer

2025 Salary

$137,539

Total compensation $144,496, including $6,957 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

#7,456

Ontario Power Generation

Years on List

2010–2025

Peak Salary

$147,824

2023

Full 2025 roster at Ontario Power Generation →·See where $137,539 ranks →

Total Compensation History

Total compensation, 2010–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
2010–2025

$100,770 in 2010 is worth about $142,030 in 2025 dollars.

Full salary history, by year
Year	Employer	Position	Salary	Benefits	Total
2025	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$137,539Benefits $6,957Total $144,496	$6,957	$144,496
2024	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$144,023Benefits $5,900Total $149,923	$5,900	$149,923
2023	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$147,824Benefits $5,762Total $153,586	$5,762	$153,586
2022	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$136,770Benefits $5,188Total $141,958	$5,188	$141,958
2021	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$143,236Benefits $4,686Total $147,922	$4,686	$147,922
2020	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$142,126Benefits $4,230Total $146,356	$4,230	$146,356
2019	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$125,362Benefits $3,695Total $129,057	$3,695	$129,057
2018	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$117,628Benefits $3,700Total $121,328	$3,700	$121,328
2017	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$119,602Benefits $4,075Total $123,678	$4,075	$123,678
2016	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$120,198Benefits $1,323Total $121,521	$1,323	$121,521
2015	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$107,786Benefits $1,316Total $109,103	$1,316	$109,103
2014	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$107,011Benefits $1,310Total $108,321	$1,310	$108,321
2013	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$101,151Benefits $1,295Total $102,446	$1,295	$102,446
2010	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$100,770Benefits $1,197Total $101,967	$1,197	$101,967

Take-Home Pay
(After Tax) · 2025 estimate

Take-home on Stephen Dionne's 2025 salary of $137,539 comes to roughly $96,817 once federal and Ontario income tax (about 25.6% effective) is deducted. That is about 1% above the 2025 median of $136,334 for Nuclear Security Officer on the Sunshine List. Stephen Dionne has appeared on the list 14 times since 2010. This estimate leaves out pension contributions; members of OMERS, OTPP, HOOPP or OPTrust typically take home another 7–10% less.

Estimated net pay: ~$96,817
Effective income-tax rate (excl. CPP/EI): ~25.6%
CPP + EI contributions: ~$5,507
All-in deduction rate (incl. CPP/EI): ~29.6%
vs. 2025 Nuclear Security Officer median: +1%

Where does $137,539 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