Colleen Twomey

Ontario Power Generation/First Line Manager, Training Programs

2023 Salary — last year on the list

$108,525

Total compensation $113,088, including $4,563 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
2023

Employer Rank

#8,708

Ontario Power Generation

Years on List

2006–2023

Peak Salary

$155,862

2022

Full 2023 roster at Ontario Power Generation →·See where $108,525 ranks →

Total Compensation History

Total compensation, 2006–2023. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
2006–2023

$104,832 in 2006 is worth about $157,776 in 2025 dollars.

Full salary history, by year
Year	Employer	Position	Salary	Benefits	Total
2023	Ontario Power Generation	First Line Manager, Training ProgramsOntario Power Generation	$108,525Benefits $4,563Total $113,088	$4,563	$113,088
2022	Ontario Power Generation	First Line Manager, Training ProgramsOntario Power Generation	$155,862Benefits $4,622Total $160,485	$4,622	$160,485
2021	Ontario Power Generation	First Line Manager, Training ProgramsOntario Power Generation	$149,303Benefits $4,106Total $153,409	$4,106	$153,409
2020	Ontario Power Generation	First Line Manager, Training ProgramsOntario Power Generation	$147,497Benefits $3,666Total $151,162	$3,666	$151,162
2019	Ontario Power Generation	First Line Manager, Training ProgramsOntario Power Generation	$135,996Benefits $3,082Total $139,078	$3,082	$139,078
2018	Ontario Power Generation	First Line Manager, Training ProgramsOntario Power Generation	$124,992Benefits $3,287Total $128,279	$3,287	$128,279
2017	Ontario Power Generation	First Line Manager, Training ProgramsOntario Power Generation	$126,822Benefits $718Total $127,540	$718	$127,540
2016	Ontario Power Generation	First Line Manager, Training ProgramsOntario Power Generation	$121,737Benefits $988Total $122,725	$988	$122,725
2015	Ontario Power Generation	First Line Manager, Training ProgramsOntario Power Generation	$116,333Benefits $1,410Total $117,743	$1,410	$117,743
2014	Ontario Power Generation	Training Technician - Conventional SafetyOntario Power Generation	$116,080Benefits $1,397Total $117,476	$1,397	$117,476
2013	Ontario Power Generation	Training Technician - Conventional SafetyOntario Power Generation	$114,423Benefits $1,379Total $115,802	$1,379	$115,802
2012	Ontario Power Generation	Training Technician, Conventional SafetyOntario Power Generation	$107,114Benefits $1,361Total $108,474	$1,361	$108,474
2010	Ontario Power Generation	Training Technician, Conventional SafetyOntario Power Generation	$108,945Benefits $1,280Total $110,225	$1,280	$110,225
2009	Ontario Power Generation	Training Technician, Conventional SafetyOntario Power Generation	$103,182Benefits $1,265Total $104,446	$1,265	$104,446
2006	Ontario Power Generation	Training Technician, Conventional SafetyOntario Power Generation	$104,832Benefits $1,512Total $106,344	$1,512	$106,344

Take-Home Pay
(After Tax) · 2023 estimate

Take-home on Colleen Twomey's 2023 salary of $108,525 comes to roughly $79,069 once federal and Ontario income tax (about 22.8% effective) is deducted. That is about 30% less than the $155,862 paid in 2022. At Ontario Power Generation, 9,310 people made the 2023 list with a median salary of $155,872; Colleen Twomey's total compensation of $113,088 ranked #8,708. This estimate leaves out pension contributions; members of OMERS, OTPP, HOOPP or OPTrust typically take home another 7–10% less.

Estimated net pay: ~$79,069
Effective income-tax rate (excl. CPP/EI): ~22.8%
CPP + EI contributions: ~$4,756
All-in deduction rate (incl. CPP/EI): ~27.1%
vs. 2023 First Line Manager Training Programs median: −37%

Where does $108,525 rank on the Sunshine List? →

Estimate only: 2023 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
2023

Also at Ontario Power Generation, 2023
#	Name	Position	Salary	Total
1	Kenneth Hartwick	President and Chief Executive Officer	$1,925,372	$1,932,912
2	Dominique Miniere	Chief Strategy Officer	$1,194,533	$1,197,801
3	Michael Martelli	Chief Projects Officer	$972,747	$975,925
4	Christopher Ginther	Executive Vice President Business Strategy and Commercial Management	$889,925	$897,052
5	Nicolle Butcher	Chief Operations Officer	$894,783	$896,070
6	Steve Gregoris	Chief Nuclear Officer	$809,566	$812,693
7	Jon Franke	Senior Vice President Pickering A	$803,730	$805,707
8	Mark Knutson	Chief Enterprise Engineering and Chief Nuclear Engineer	$682,378	$684,884
9	Aida Cipolla	Chief Financial Officer and Senior Vice President - Finance	$679,657	$681,894
10	Melissa Hogg	Chief Administrative and Ethics Officer	$612,792	$617,285