Marc Casimir

Ontario Power Generation/Supervising Nuclear Operator First Line Manager Assistant

2025 Salary

$209,362

Total compensation $214,896, including $5,534 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

#1,483

Ontario Power Generation

Years on List

2005–2025

Peak Salary

$209,362

2025

Full 2025 roster at Ontario Power Generation →·See where $209,362 ranks →

Total Compensation History

Total compensation, 2005–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
2005–2025

$105,236 in 2005 is worth about $161,492 in 2025 dollars.

Full salary history, by year
Year	Employer	Position	Salary	Benefits	Total
2025	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$209,362	$5,534	$214,896
2024	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$189,748	$7,850	$197,598
2023	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$203,263	$7,660	$210,923
2022	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$187,405	$4,237	$191,642
2021	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$162,795	$6,177	$168,972
2020	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$189,951	$5,548	$195,499
2019	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$149,643	$4,811	$154,454
2018	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$148,662	$4,815	$153,477
2017	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$165,556	$5,333	$170,888
2016	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$157,646	$1,538	$159,184
2015	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$147,576	$1,529	$149,106
2014	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$141,341	$1,522	$142,862
2013	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$142,275	$1,501	$143,776
2012	Ontario Power Generation	Supervising Nuclear Operator, First Line Manager AssistantOntario Power Generation	$138,936	$1,453	$140,389
2011	Ontario Power Generation	Nuclear OperatorOntario Power Generation	$150,578	$1,397	$151,975
2010	Ontario Power Generation	Nuclear OperatorOntario Power Generation	$145,262	$1,310	$146,572
2009	Ontario Power Generation	Nuclear OperatorOntario Power Generation	$145,156	$1,293	$146,450
2008	Ontario Power Generation	Nuclear OperatorOntario Power Generation	$144,174	$1,309	$145,483
2007	Ontario Power Generation	Nuclear OperatorOntario Power Generation	$125,889	$1,201	$127,090
2006	Ontario Power Generation	Nuclear OperatorOntario Power Generation	$117,791	$1,603	$119,393
2005	Ontario Power Generation	Nuclear OperatorOntario Power Generation	$105,236	$531	$105,767

Take-Home Pay
(After Tax) · 2025 estimate

In 2025, Marc Casimir's $209,362 salary works out to roughly $135,398 after income tax, CPP and EI — an all-in deduction rate of about 35.3%. It is up about 10% on the $189,748 paid in 2024. For comparison, the median Supervising Nuclear Operator, FLM Assistant on the 2025 list was paid $190,560; this salary is about 10% more. Members of OMERS, OTPP, HOOPP or OPTrust typically take home another 7–10% less after pension contributions, which this estimate leaves out.

Estimated net pay: ~$135,398
Effective income-tax rate (excl. CPP/EI): ~32.7%
CPP + EI contributions: ~$5,507
All-in deduction rate (incl. CPP/EI): ~35.3%
vs. 2025 Supervising Nuclear Operator, FLM Assistant median: +10%

Where does $209,362 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