Hoo Wai Au

Ontario Power Generation/Supervising Nuclear Operator First Line Manager Assistant

2025 Salary

$179,660

Total compensation $180,691, including $1,031 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

#3,609

Ontario Power Generation

Years on List

2004–2025

Peak Salary

$223,283

2020

Full 2025 roster at Ontario Power Generation →·See where $179,660 ranks →

Total Compensation History

Total compensation, 2004–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
2004–2025

$106,904 in 2004 is worth about $167,656 in 2025 dollars.

Full salary history, by year
Year	Employer	Position	Salary	Benefits	Total
2025	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$179,660Benefits $1,031Total $180,691	$1,031	$180,691
2024	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$178,870Benefits $958Total $179,828	$958	$179,828
2023	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$174,526Benefits $927Total $175,454	$927	$175,454
2022	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$164,520Benefits $1,634Total $166,154	$1,634	$166,154
2021	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$178,227Benefits $881Total $179,108	$881	$179,108
2020	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$223,283Benefits $863Total $224,145	$863	$224,145
2019	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$163,489Benefits $840Total $164,329	$840	$164,329
2018	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$194,347Benefits $4,919Total $199,266	$4,919	$199,266
2017	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$199,403Benefits $5,451Total $204,854	$5,451	$204,854
2016	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$193,778Benefits $1,561Total $195,339	$1,561	$195,339
2015	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$185,337Benefits $1,550Total $186,887	$1,550	$186,887
2014	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$171,108Benefits $1,541Total $172,649	$1,541	$172,649
2013	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$174,876Benefits $1,518Total $176,394	$1,518	$176,394
2012	Ontario Power Generation	Supervising Nuclear Operator, First Line Manager AssistantOntario Power Generation	$178,018Benefits $1,496Total $179,514	$1,496	$179,514
2011	Ontario Power Generation	Supervising Nuclear Operator, First Line Manager AssistantOntario Power Generation	$156,256Benefits $1,467Total $157,723	$1,467	$157,723
2010	Ontario Power Generation	Nuclear OperatorOntario Power Generation	$157,288Benefits $1,325Total $158,613	$1,325	$158,613
2009	Ontario Power Generation	Nuclear OperatorOntario Power Generation	$166,640Benefits $1,306Total $167,946	$1,306	$167,946
2008	Ontario Power Generation	Nuclear OperatorOntario Power Generation	$137,574Benefits $1,324Total $138,898	$1,324	$138,898
2007	Ontario Power Generation	Nuclear OperatorOntario Power Generation	$137,154Benefits $1,211Total $138,365	$1,211	$138,365
2006	Ontario Power Generation	Nuclear OperatorOntario Power Generation	$122,083Benefits $1,614Total $123,697	$1,614	$123,697
2005	Ontario Power Generation	Nuclear OperatorOntario Power Generation	$133,622Benefits $537Total $134,159	$537	$134,159
2004	Ontario Power Generation	Nuclear OperatorOntario Power Generation	$106,904Benefits $495Total $107,399	$495	$107,399

Take-Home Pay
(After Tax) · 2025 estimate

Take-home on Hoo Wai Au's 2025 salary of $179,660 comes to roughly $120,184 once federal and Ontario income tax (about 30.0% effective) is deducted. It is little changed from the $178,870 paid in 2024. Hoo Wai Au has appeared on the list 22 times since 2004. 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: ~$120,184
Effective income-tax rate (excl. CPP/EI): ~30.0%
CPP + EI contributions: ~$5,507
All-in deduction rate (incl. CPP/EI): ~33.1%
vs. 2025 Supervising Nuclear Operator, FLM Assistant median: −6%

Where does $179,660 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