Greg Trolley

Ontario Power Generation/Mechanical Technician First Line Manager Assistant

2025 Salary

$228,306

Total compensation $237,130, including $8,824 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

#849

Ontario Power Generation

Years on List

2008–2025

Peak Salary

$247,718

2024

Full 2025 roster at Ontario Power Generation →·See where $228,306 ranks →

Total Compensation History

Total compensation, 2008–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
2008–2025

$128,942 in 2008 is worth about $185,558 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	$228,306Benefits $8,824Total $237,130	$8,824	$237,130
2024	Ontario Power Generation	Mechanical Technician First Line Manager AssistantOntario Power Generation	$247,718Benefits $7,318Total $255,036	$7,318	$255,036
2023	Ontario Power Generation	Mechanical Technician First Line Manager AssistantOntario Power Generation	$201,775Benefits $7,143Total $208,918	$7,143	$208,918
2022	Ontario Power Generation	Mechanical Technician First Line Manager AssistantOntario Power Generation	$167,845Benefits $6,350Total $174,195	$6,350	$174,195
2021	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$178,538Benefits $5,695Total $184,234	$5,695	$184,234
2020	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$157,734Benefits $5,110Total $162,845	$5,110	$162,845
2019	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$148,562Benefits $4,425Total $152,987	$4,425	$152,987
2018	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$149,002Benefits $4,433Total $153,435	$4,433	$153,435
2017	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$134,908Benefits $4,916Total $139,825	$4,916	$139,825
2016	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$134,962Benefits $1,381Total $136,344	$1,381	$136,344
2015	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$144,499Benefits $1,372Total $145,871	$1,372	$145,871
2014	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$131,694Benefits $1,366Total $133,060	$1,366	$133,060
2013	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$154,382Benefits $1,350Total $155,733	$1,350	$155,733
2012	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$168,777Benefits $1,333Total $170,110	$1,333	$170,110
2011	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$157,893Benefits $1,319Total $159,211	$1,319	$159,211
2010	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$130,299Benefits $1,256Total $131,554	$1,256	$131,554
2009	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$134,593Benefits $1,226Total $135,819	$1,226	$135,819
2008	Ontario Power Generation	Mechanical TechnicianOntario Power Generation	$128,942Benefits $1,207Total $130,149	$1,207	$130,149

Take-Home Pay
(After Tax) · 2025 estimate

In 2025, Greg Trolley's $228,306 salary works out to roughly $145,083 after income tax, CPP and EI — an all-in deduction rate of about 36.5%. Within Ontario Power Generation, Greg Trolley's total compensation of $237,130 was the #849 of 10,346, against a median salary of $161,066. Greg Trolley has appeared on the list 18 times since 2008. This estimate leaves out pension contributions; members of OMERS, OTPP, HOOPP or OPTrust typically take home another 7–10% less.

Estimated net pay: ~$145,083
Effective income-tax rate (excl. CPP/EI): ~34.0%
CPP + EI contributions: ~$5,507
All-in deduction rate (incl. CPP/EI): ~36.5%
vs. 2025 Mechanical Technician First Line Manager Assistant median: +11%

Where does $228,306 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