Michael Caldwell

Ontario Power Generation/Mechanical Technician First Line Manager Assistant

2025 Salary

$234,758

Total compensation $243,432, 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

#740

Ontario Power Generation

Years on List

2010–2025

Peak Salary

$234,758

2025

Full 2025 roster at Ontario Power Generation →·See where $234,758 ranks →

Total Compensation History

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

Full History
2010–2025

$107,409 in 2010 is worth about $151,387 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	$234,758Benefits $8,674Total $243,432	$8,674	$243,432
2024	Ontario Power Generation	Mechanical Technician First Line Manager AssistantOntario Power Generation	$202,663Benefits $7,468Total $210,131	$7,468	$210,131
2023	Ontario Power Generation	Mechanical Technician First Line Manager AssistantOntario Power Generation	$207,626Benefits $7,143Total $214,769	$7,143	$214,769
2022	Ontario Power Generation	Mechanical Technician First Line Manager AssistantOntario Power Generation	$178,592Benefits $6,408Total $185,000	$6,408	$185,000
2021	Ontario Power Generation	Mechanical Technician First Line Manager AssistantOntario Power Generation	$183,667Benefits $5,764Total $189,430	$5,764	$189,430
2020	Ontario Power Generation	Mechanical Technician First Line Manager AssistantOntario Power Generation	$185,582Benefits $5,176Total $190,758	$5,176	$190,758
2019	Ontario Power Generation	Mechanical Technician First Line Manager AssistantOntario Power Generation	$153,481Benefits $4,491Total $157,972	$4,491	$157,972
2018	Ontario Power Generation	Mechanical Technician First Line Manager AssistantOntario Power Generation	$160,275Benefits $4,497Total $164,772	$4,497	$164,772
2017	Ontario Power Generation	Mechanical Technician First Line Manager AssistantOntario Power Generation	$149,122Benefits $4,980Total $154,101	$4,980	$154,101
2016	Ontario Power Generation	Mechanical Technician First Line Manager AssistantOntario Power Generation	$135,650Benefits $1,392Total $137,042	$1,392	$137,042
2015	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$118,741Benefits $1,372Total $120,113	$1,372	$120,113
2014	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$109,620Benefits $1,366Total $110,986	$1,366	$110,986
2013	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$113,668Benefits $1,350Total $115,019	$1,350	$115,019
2012	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$114,829Benefits $1,333Total $116,162	$1,333	$116,162
2011	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$111,103Benefits $1,319Total $112,421	$1,319	$112,421
2010	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$107,409Benefits $1,256Total $108,665	$1,256	$108,665

Take-Home Pay
(After Tax) · 2025 estimate

Michael Caldwell was paid $234,758 in 2025; after income tax, CPP and EI that is roughly $148,320, an effective income-tax rate of about 34.5%. For comparison, the median Mechanical Technician First Line Manager Assistant on the 2025 list was paid $205,121; this salary is about 14% more. Michael Caldwell has appeared on the list 16 times since 2010. This estimate leaves out pension contributions; members of OMERS, OTPP, HOOPP or OPTrust typically take home another 7–10% less.

Estimated net pay: ~$148,320
Effective income-tax rate (excl. CPP/EI): ~34.5%
CPP + EI contributions: ~$5,507
All-in deduction rate (incl. CPP/EI): ~36.8%
vs. 2025 Mechanical Technician First Line Manager Assistant median: +14%

Where does $234,758 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