Colin Holdaway

Ontario Power Generation/Authorized Nuclear Operator

2025 Salary

$282,705

Total compensation $290,194, including $7,490 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

#301

Ontario Power Generation

Years on List

2007–2025

Peak Salary

$285,098

2024

Full 2025 roster at Ontario Power Generation →·See where $282,705 ranks →

Total Compensation History

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

Full History
2007–2025

$106,852 in 2007 is worth about $157,355 in 2025 dollars.

Full salary history, by year
Year	Employer	Position	Salary	Benefits	Total
2025	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$282,705Benefits $7,490Total $290,194	$7,490	$290,194
2024	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$285,098Benefits $6,551Total $291,650	$6,551	$291,650
2023	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$284,520Benefits $6,300Total $290,821	$6,300	$290,821
2022	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$258,434Benefits $5,799Total $264,233	$5,799	$264,233
2021	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$246,088Benefits $8,467Total $254,555	$8,467	$254,555
2020	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$249,783Benefits $7,582Total $257,365	$7,582	$257,365
2019	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$229,823Benefits $6,491Total $236,314	$6,491	$236,314
2018	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$227,395Benefits $6,546Total $233,941	$6,546	$233,941
2017	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$209,133Benefits $7,252Total $216,385	$7,252	$216,385
2016	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$227,349Benefits $1,844Total $229,192	$1,844	$229,192
2015	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$201,518Benefits $1,807Total $203,325	$1,807	$203,325
2014	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$189,929Benefits $1,795Total $191,724	$1,795	$191,724
2013	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$160,841Benefits $1,683Total $162,524	$1,683	$162,524
2012	Ontario Power Generation	Authorized Nuclear Operator in Training, Nuclear OperatorOntario Power Generation	$139,507Benefits $1,645Total $141,153	$1,645	$141,153
2011	Ontario Power Generation	Authorized Nuclear Operator in Training, Nuclear OperatorOntario Power Generation	$138,797Benefits $1,609Total $140,406	$1,609	$140,406
2010	Ontario Power Generation	Authorized Nuclear Operator in Training, Nuclear OperatorOntario Power Generation	$150,751Benefits $1,474Total $152,225	$1,474	$152,225
2009	Ontario Power Generation	Authorized Nuclear Operator in Training, Nuclear OperatorOntario Power Generation	$117,624Benefits $1,293Total $118,917	$1,293	$118,917
2008	Ontario Power Generation	Nuclear OperatorOntario Power Generation	$114,177Benefits $1,302Total $115,479	$1,302	$115,479
2007	Ontario Power Generation	Nuclear OperatorOntario Power Generation	$106,852Benefits $1,171Total $108,023	$1,171	$108,023

Take-Home Pay
(After Tax) · 2025 estimate

In 2025, Colin Holdaway's $282,705 salary works out to roughly $171,331 after income tax, CPP and EI — an all-in deduction rate of about 39.4%. On total compensation of $290,194, Colin Holdaway ranked #301 of 10,346 disclosed at Ontario Power Generation that year, where the median salary was $161,066. 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: ~$171,331
Effective income-tax rate (excl. CPP/EI): ~37.4%
CPP + EI contributions: ~$5,507
All-in deduction rate (incl. CPP/EI): ~39.4%
vs. 2025 Authorized Nuclear Operator median: −1%

Where does $282,705 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