Jeffery Wynistorf

Ontario Power Generation/Mechanical Technician First Line Manager Assistant

2025 Salary

$237,971

Total compensation $246,645, including $8,674 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

#699

Ontario Power Generation

Years on List

2010–2025

Peak Salary

$237,971

2025

Full 2025 roster at Ontario Power Generation →·See where $237,971 ranks →

Total Compensation History

Total compensation, 2010–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
2010–2025

$107,221 in 2010 is worth about $151,121 in 2025 dollars.

Full salary history, by year
Year	Employer	Position	Salary	Benefits	Total
2025	Ontario Power Generation	Mechanical Technician First Line Manager AssistantOntario Power Generation	$237,971Benefits $8,674Total $246,645	$8,674	$246,645
2024	Ontario Power Generation	Mechanical Technician First Line Manager AssistantOntario Power Generation	$209,673Benefits $7,468Total $217,141	$7,468	$217,141
2023	Ontario Power Generation	Mechanical Technician First Line Manager AssistantOntario Power Generation	$216,047Benefits $7,143Total $223,190	$7,143	$223,190
2022	Ontario Power Generation	Mechanical Technician First Line Manager AssistantOntario Power Generation	$186,571Benefits $6,408Total $192,979	$6,408	$192,979
2021	Ontario Power Generation	Mechanical Technician First Line Manager AssistantOntario Power Generation	$205,208Benefits $5,764Total $210,971	$5,764	$210,971
2020	Ontario Power Generation	Mechanical Technician First Line Manager AssistantOntario Power Generation	$159,750Benefits $5,116Total $164,866	$5,116	$164,866
2019	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$144,901Benefits $4,425Total $149,326	$4,425	$149,326
2018	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$123,694Benefits $4,433Total $128,127	$4,433	$128,127
2017	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$144,678Benefits $4,916Total $149,594	$4,916	$149,594
2016	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$117,512Benefits $1,381Total $118,893	$1,381	$118,893
2015	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$129,328Benefits $1,372Total $130,700	$1,372	$130,700
2014	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$130,303Benefits $1,366Total $131,668	$1,366	$131,668
2013	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$137,759Benefits $1,337Total $139,096	$1,337	$139,096
2012	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$128,443Benefits $1,288Total $129,731	$1,288	$129,731
2010	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$107,221Benefits $1,159Total $108,380	$1,159	$108,380

Take-Home Pay
(After Tax) · 2025 estimate

Of the $237,971 Jeffery Wynistorf earned in 2025, roughly $149,932 would remain after income tax, CPP and EI, an all-in deduction rate of about 37.0%. It is up about 13% on the $209,673 paid in 2024. Records under this name have appeared on the Sunshine List 15 years in all, first in 2010. 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: ~$149,932
Effective income-tax rate (excl. CPP/EI): ~34.7%
CPP + EI contributions: ~$5,507
All-in deduction rate (incl. CPP/EI): ~37.0%
vs. 2025 Mechanical Technician First Line Manager Assistant median: +16%

Where does $237,971 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