Mark Wainman

Ontario Power Generation/First Line Manager, Inspection and Maintenance

2025 Salary

$100,841

Total compensation $100,841, including $0 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

#10,339

Ontario Power Generation

Years on List

2001–2025

Peak Salary

$250,545

2023

Full 2025 roster at Ontario Power Generation →·See where $100,841 ranks →

Total Compensation History

Total compensation, 2001–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
2001–2025

$120,928 in 2001 is worth about $203,031 in 2025 dollars.

Full salary history, by year
Year	Employer	Position	Salary	Benefits	Total
2025	Ontario Power Generation	First Line Manager, Inspection and MaintenanceOntario Power Generation	$100,841Benefits $0Total $100,841	$0	$100,841
2024	Ontario Power Generation	First Line Manager, Inspection and MaintenanceOntario Power Generation	$230,387Benefits $0Total $230,387	$0	$230,387
2023	Ontario Power Generation	First Line Manager, Inspection and MaintenanceOntario Power Generation	$250,545Benefits $0Total $250,545	$0	$250,545
2022	Ontario Power Generation	First Line Manager, Inspection and MaintenanceOntario Power Generation	$244,312Benefits $3,515Total $247,827	$3,515	$247,827
2021	Ontario Power Generation	First Line Manager, Inspection and MaintenanceOntario Power Generation	$211,341Benefits $5,926Total $217,267	$5,926	$217,267
2020	Ontario Power Generation	First Line Manager, Inspection and MaintenanceOntario Power Generation	$218,378Benefits $5,247Total $223,626	$5,247	$223,626
2019	Ontario Power Generation	First Line Manager, Inspection and MaintenanceOntario Power Generation	$198,427Benefits $4,451Total $202,878	$4,451	$202,878
2018	Ontario Power Generation	First Line Manager, Inspection and MaintenanceOntario Power Generation	$191,257Benefits $4,443Total $195,700	$4,443	$195,700
2017	Ontario Power Generation	First Line Manager, Inspection and MaintenanceOntario Power Generation	$181,279Benefits $5,719Total $186,998	$5,719	$186,998
2016	Ontario Power Generation	First Line Manager, Inspection and MaintenanceOntario Power Generation	$183,822Benefits $1,621Total $185,443	$1,621	$185,443
2015	Ontario Power Generation	Inspection & Maintenance Technician First Line Manager AssistantOntario Power Generation	$185,205Benefits $1,584Total $186,790	$1,584	$186,790
2014	Ontario Power Generation	Inspection and Maintenance Technician First Line Manager AssistantOntario Power Generation	$162,246Benefits $1,575Total $163,821	$1,575	$163,821
2013	Ontario Power Generation	Inspection & Maintenance Technician First Line Manager AssistantOntario Power Generation	$203,748Benefits $1,554Total $205,302	$1,554	$205,302
2012	Ontario Power Generation	Inspection & Maintenance Technician, First Line Manager AssistantOntario Power Generation	$191,980Benefits $1,530Total $193,509	$1,530	$193,509
2011	Ontario Power Generation	Inspection & Maintenance Technician, First Line Manager AssistantOntario Power Generation	$184,621Benefits $1,511Total $186,132	$1,511	$186,132
2010	Ontario Power Generation	Inspection & Maintenance Technician, First Line Manager AssistantOntario Power Generation	$170,310Benefits $1,411Total $171,721	$1,411	$171,721
2009	Ontario Power Generation	Inspection & Maintenance Technician, First Line Manager AssistantOntario Power Generation	$169,728Benefits $1,389Total $171,117	$1,389	$171,117
2008	Ontario Power Generation	Inspection & Maintenance Technician/First Line Manager AssistantOntario Power Generation	$143,788Benefits $1,410Total $145,198	$1,410	$145,198
2007	Ontario Power Generation	Senior Inspection & Maintenance TechnicianOntario Power Generation	$170,137Benefits $1,282Total $171,419	$1,282	$171,419
2006	Ontario Power Generation	Senior Inspection & Maintenance TechnicianOntario Power Generation	$146,213Benefits $1,665Total $147,878	$1,665	$147,878
2005	Ontario Power Generation	Senior Inspection & Mtce. TechnicianOntario Power Generation	$126,896Benefits $548Total $127,444	$548	$127,444
2004	Ontario Power Generation	Senior Inspection & Mtce. TechnicianOntario Power Generation	$111,677Benefits $535Total $112,212	$535	$112,212
2003	Ontario Power Generation	Sr. Inspection & MTCE TechnicianOntario Power Generation	$102,800Benefits $453Total $103,253	$453	$103,253
2002	Ontario Power Generation	Inspection & Maintenance Technician IIOntario Power Generation	$113,697Benefits $540Total $114,237	$540	$114,237
2001	Ontario Power Generation	Inspection & Maintenance Technician IIOntario Power Generation	$120,928Benefits $379Total $121,307	$379	$121,307

Take-Home Pay
(After Tax) · 2025 estimate

Of the $100,841 Mark Wainman earned in 2025, roughly $74,600 would remain after income tax, CPP and EI, an all-in deduction rate of about 26.0%. Compared with 2024, when the figure was $230,387, that is a drop of about 56%. Records under this name have appeared on the Sunshine List 25 years in all, first in 2001. 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: ~$74,600
Effective income-tax rate (excl. CPP/EI): ~20.6%
CPP + EI contributions: ~$5,507
All-in deduction rate (incl. CPP/EI): ~26.0%
vs. 2025 First Line Manager Inspection Maintenance median: −49%

Where does $100,841 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