Michael Thiel

Ontario Power Generation/Nuclear Security Officer First Line Manager Assistant

2025 Salary

$158,409

Total compensation $165,326, including $6,917 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

Records separated by several years; may be more than one person.

At a Glance
2025

Employer Rank

#5,184

Ontario Power Generation

Years on List

2007–2025

Peak Salary

$158,409

2025

Full 2025 roster at Ontario Power Generation →·See where $158,409 ranks →

Total Compensation History

Total compensation, 2007–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
2007–2025

$104,417 in 2007 is worth about $153,770 in 2025 dollars.

Full salary history, by year
Year	Employer	Position	Salary	Benefits	Total
2025	Ontario Power Generation	Nuclear Security Officer First Line Manager AssistantOntario Power Generation	$158,409Benefits $6,917Total $165,326	$6,917	$165,326
2024	Ontario Power Generation	Nuclear Security Officer First Line Manager AssistantOntario Power Generation	$150,021Benefits $5,861Total $155,882	$5,861	$155,882
2023	Ontario Power Generation	Nuclear Security Officer First Line Manager AssistantOntario Power Generation	$142,929Benefits $5,725Total $148,653	$5,725	$148,653
2022	Ontario Power Generation	Nuclear Security Officer First Line Manager AssistantOntario Power Generation	$139,314Benefits $5,153Total $144,467	$5,153	$144,467
2021	Ontario Power Generation	Nuclear Security Officer First Line Manager AssistantOntario Power Generation	$135,851Benefits $4,652Total $140,502	$4,652	$140,502
2020	Ontario Power Generation	Nuclear Security Officer First Line Manager AssistantOntario Power Generation	$125,330Benefits $4,147Total $129,477	$4,147	$129,477
2019	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$119,983Benefits $3,610Total $123,592	$3,610	$123,592
2018	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$116,642Benefits $3,616Total $120,258	$3,616	$120,258
2017	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$105,386Benefits $3,992Total $109,378	$3,992	$109,378
2016	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$115,624Benefits $1,241Total $116,865	$1,241	$116,865
2015	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$101,340Benefits $1,235Total $102,575	$1,235	$102,575
2007	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$104,417Benefits $1,076Total $105,494	$1,076	$105,494

Take-Home Pay
(After Tax) · 2025 estimate

Michael Thiel was paid $158,409 in 2025; after income tax, CPP and EI that is roughly $108,513, an effective income-tax rate of about 28.0%. The 2024 record under this name shows $150,021. Records under this name have appeared on the Sunshine List 12 years in all, first in 2007. This estimate leaves out pension contributions; members of OMERS, OTPP, HOOPP or OPTrust typically take home another 7–10% less.

Estimated net pay: ~$108,513
Effective income-tax rate (excl. CPP/EI): ~28.0%
CPP + EI contributions: ~$5,507
All-in deduction rate (incl. CPP/EI): ~31.5%
vs. 2025 Nuclear Security Officer First Line Manager Assistant median: about even

Where does $158,409 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