Matthew Tinsley

Ontario Power Generation/Supervising Nuclear Operator First Line Manager Assistant

2025 Salary

$196,868

Total compensation $205,692, 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

#1,895

Ontario Power Generation

Years on List

2012–2025

Peak Salary

$225,019

2023

Full 2025 roster at Ontario Power Generation →·See where $196,868 ranks →

Total Compensation History

Total compensation, 2012–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
2012–2025

$106,453 in 2012 is worth about $143,629 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	$196,868Benefits $8,824Total $205,692	$8,824	$205,692
2024	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$210,181Benefits $7,468Total $217,649	$7,468	$217,649
2023	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$225,019Benefits $7,239Total $232,259	$7,239	$232,259
2022	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$186,558Benefits $6,408Total $192,966	$6,408	$192,966
2021	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$151,032Benefits $5,764Total $156,796	$5,764	$156,796
2020	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$204,675Benefits $5,176Total $209,851	$5,176	$209,851
2019	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$155,048Benefits $4,475Total $159,523	$4,475	$159,523
2018	Ontario Power Generation	Nuclear OperatorOntario Power Generation	$146,415Benefits $4,433Total $150,849	$4,433	$150,849
2017	Ontario Power Generation	Nuclear OperatorOntario Power Generation	$141,762Benefits $4,916Total $146,679	$4,916	$146,679
2016	Ontario Power Generation	Nuclear OperatorOntario Power Generation	$122,355Benefits $1,381Total $123,736	$1,381	$123,736
2015	Ontario Power Generation	Nuclear Operator in TrainingOntario Power Generation	$111,844Benefits $1,372Total $113,216	$1,372	$113,216
2014	Ontario Power Generation	Transport and Work Equipment MechanicOntario Power Generation	$108,430Benefits $1,366Total $109,796	$1,366	$109,796
2013	Ontario Power Generation	Transport & Work Equipment MechanicOntario Power Generation	$110,036Benefits $1,334Total $111,370	$1,334	$111,370
2012	Ontario Power Generation	Transport & Work Equipment MechanicOntario Power Generation	$106,453Benefits $1,285Total $107,738	$1,285	$107,738

Take-Home Pay
(After Tax) · 2025 estimate

Matthew Tinsley was paid $196,868 in 2025; after income tax, CPP and EI that is roughly $129,085, an effective income-tax rate of about 31.6%. For comparison, the median Supervising Nuclear Operator, FLM Assistant on the 2025 list was paid $190,560; this salary is about 3% more. Matthew Tinsley has appeared on the list 14 times since 2012. 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: ~$129,085
Effective income-tax rate (excl. CPP/EI): ~31.6%
CPP + EI contributions: ~$5,507
All-in deduction rate (incl. CPP/EI): ~34.4%
vs. 2025 Supervising Nuclear Operator, FLM Assistant median: +3%

Where does $196,868 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