Tony Jesswein

Ontario Power Generation/First Line Manager, Chemical Laboratory

2025 Salary

$253,090

Total compensation $260,389, including $7,299 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

#519

Ontario Power Generation

Years on List

2002–2025

Peak Salary

$253,090

2025

Full 2025 roster at Ontario Power Generation →·See where $253,090 ranks →

Total Compensation History

Total compensation, 2002–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
2002–2025

$103,034 in 2002 is worth about $169,182 in 2025 dollars.

Full salary history, by year
Year	Employer	Position	Salary	Benefits	Total
2025	Ontario Power Generation	First Line Manager, Chemical LaboratoryOntario Power Generation	$253,090Benefits $7,299Total $260,389	$7,299	$260,389
2024	Ontario Power Generation	First Line Manager, Chemical LaboratoryOntario Power Generation	$216,457Benefits $6,633Total $223,090	$6,633	$223,090
2023	Ontario Power Generation	First Line Manager, Chemical LaboratoryOntario Power Generation	$213,157Benefits $6,080Total $219,237	$6,080	$219,237
2022	Ontario Power Generation	First Line Manager, Chemical LaboratoryOntario Power Generation	$207,629Benefits $5,580Total $213,209	$5,580	$213,209
2021	Ontario Power Generation	First Line Manager, Chemical LaboratoryOntario Power Generation	$206,134Benefits $4,974Total $211,109	$4,974	$211,109
2020	Ontario Power Generation	First Line Manager, Chemical LaboratoryOntario Power Generation	$188,941Benefits $4,462Total $193,402	$4,462	$193,402
2019	Ontario Power Generation	First Line Manager, Chemical LaboratoryOntario Power Generation	$191,287Benefits $3,775Total $195,062	$3,775	$195,062
2018	Ontario Power Generation	First Line Manager, Chemical LaboratoryOntario Power Generation	$185,601Benefits $4,052Total $189,654	$4,052	$189,654
2017	Ontario Power Generation	First Line Manager, Chemical LaboratoryOntario Power Generation	$168,150Benefits $961Total $169,111	$961	$169,111
2016	Ontario Power Generation	First Line Manager, Chemical LaboratoryOntario Power Generation	$173,566Benefits $951Total $174,517	$951	$174,517
2015	Ontario Power Generation	First Line Manager, Chemical LaboratoryOntario Power Generation	$163,785Benefits $941Total $164,726	$941	$164,726
2014	Ontario Power Generation	First Line Manager, Chemical LaboratoryOntario Power Generation	$168,718Benefits $924Total $169,643	$924	$169,643
2013	Ontario Power Generation	First Line Manager, Chemical LaboratoryOntario Power Generation	$158,753Benefits $905Total $159,657	$905	$159,657
2012	Ontario Power Generation	First Line Manager, Chemical LaboratoryOntario Power Generation	$175,788Benefits $899Total $176,687	$899	$176,687
2011	Ontario Power Generation	First Line Manager, Chemical LaboratoryOntario Power Generation	$157,839Benefits $873Total $158,711	$873	$158,711
2010	Ontario Power Generation	First Line Manager, Chemical LaboratoryOntario Power Generation	$142,321Benefits $754Total $143,076	$754	$143,076
2009	Ontario Power Generation	First Line Manager, Chemical LaboratoryOntario Power Generation	$147,375Benefits $718Total $148,093	$718	$148,093
2008	Ontario Power Generation	First Line Manager, Chemical LaboratoryOntario Power Generation	$135,794Benefits $1,323Total $137,118	$1,323	$137,118
2007	Ontario Power Generation	First Line Manager, Chemical LaboratoryOntario Power Generation	$126,907Benefits $1,298Total $128,205	$1,298	$128,205
2006	Ontario Power Generation	First Line Manager Assistant, Chemistry LaboratoryOntario Power Generation	$122,249Benefits $1,674Total $123,923	$1,674	$123,923
2005	Ontario Power Generation	FLM Asst., Chemistry LaboratoryOntario Power Generation	$125,508Benefits $611Total $126,119	$611	$126,119
2004	Ontario Power Generation	FLM Asst., Chemistry LaboratoryOntario Power Generation	$110,506Benefits $597Total $111,103	$597	$111,103
2003	Ontario Power Generation	FLMa, Chemistry LaboratoryOntario Power Generation	$109,184Benefits $530Total $109,714	$530	$109,714
2002	Ontario Power Generation	FLMa, Chemistry LaboratoryOntario Power Generation	$103,034Benefits $640Total $103,674	$640	$103,674

Take-Home Pay
(After Tax) · 2025 estimate

Of the $253,090 Tony Jesswein earned in 2025, roughly $157,516 would remain after income tax, CPP and EI, an all-in deduction rate of about 37.8%. Among those listed as First Line Manager Chemical Laboratory in 2025, the median was $212,742; this salary sits about 19% above it. Tony Jesswein has appeared on the list 24 times since 2002. This estimate leaves out pension contributions; members of OMERS, OTPP, HOOPP or OPTrust typically take home another 7–10% less.

Estimated net pay: ~$157,516
Effective income-tax rate (excl. CPP/EI): ~35.6%
CPP + EI contributions: ~$5,507
All-in deduction rate (incl. CPP/EI): ~37.8%
vs. 2025 First Line Manager Chemical Laboratory median: +19%

Where does $253,090 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