Mark Dunne

Ontario Power Generation/Supervising Nuclear Operator First Line Manager Assistant

2025 Salary

$228,687

Total compensation $238,068, including $9,381 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

#832

Ontario Power Generation

Years on List

2006–2025

Peak Salary

$228,687

2025

Full 2025 roster at Ontario Power Generation →·See where $228,687 ranks →

Total Compensation History

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

Full History
2006–2025

$104,799 in 2006 is worth about $157,727 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	$228,687Benefits $9,381Total $238,068	$9,381	$238,068
2024	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$211,151Benefits $7,895Total $219,045	$7,895	$219,045
2023	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$202,315Benefits $7,705Total $210,020	$7,705	$210,020
2022	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$185,815Benefits $7,050Total $192,865	$7,050	$192,865
2021	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$211,818Benefits $6,191Total $218,009	$6,191	$218,009
2020	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$200,059Benefits $5,546Total $205,605	$5,546	$205,605
2019	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$189,741Benefits $4,794Total $194,535	$4,794	$194,535
2018	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$185,568Benefits $4,802Total $190,370	$4,802	$190,370
2017	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$188,763Benefits $5,334Total $194,097	$5,334	$194,097
2016	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$173,902Benefits $1,445Total $175,347	$1,445	$175,347
2015	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$167,836Benefits $1,435Total $169,271	$1,435	$169,271
2014	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$166,424Benefits $1,428Total $167,851	$1,428	$167,851
2013	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$191,773Benefits $1,408Total $193,181	$1,408	$193,181
2012	Ontario Power Generation	Supervising Nuclear Operator, First Line Manager AssistantOntario Power Generation	$144,460Benefits $1,432Total $145,892	$1,432	$145,892
2011	Ontario Power Generation	Authorized Nuclear Operator in Training, Nuclear OperatorOntario Power Generation	$151,696Benefits $1,437Total $153,133	$1,437	$153,133
2010	Ontario Power Generation	Supervising Nuclear Operator, First Line Manager AssistantOntario Power Generation	$160,852Benefits $1,408Total $162,260	$1,408	$162,260
2009	Ontario Power Generation	Authorized Nuclear Operator in Training, Supervising Nuclear OperatorOntario Power Generation	$168,843Benefits $1,385Total $170,228	$1,385	$170,228
2008	Ontario Power Generation	Authorized Nuclear Operator in Training, Supervising Nuclear OperatorOntario Power Generation	$132,432Benefits $1,298Total $133,730	$1,298	$133,730
2007	Ontario Power Generation	Nuclear OperatorOntario Power Generation	$119,189Benefits $1,142Total $120,331	$1,142	$120,331
2006	Ontario Power Generation	Nuclear OperatorOntario Power Generation	$104,799Benefits $1,518Total $106,317	$1,518	$106,317

Take-Home Pay
(After Tax) · 2025 estimate

In 2025, Mark Dunne's $228,687 salary works out to roughly $145,274 after income tax, CPP and EI — an all-in deduction rate of about 36.5%. That is about 20% above the 2025 median of $190,560 for Supervising Nuclear Operator, FLM Assistant on the Sunshine List. That is about 8% more than the $211,151 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: ~$145,274
Effective income-tax rate (excl. CPP/EI): ~34.1%
CPP + EI contributions: ~$5,507
All-in deduction rate (incl. CPP/EI): ~36.5%
vs. 2025 Supervising Nuclear Operator, FLM Assistant median: +20%

Where does $228,687 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