Dennis Houlberg

Ontario Power Generation/Supervising Nuclear Operator First Line Manager Assistant

2025 Salary

$177,961

Total compensation $185,263, including $7,302 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

#3,216

Ontario Power Generation

Years on List

2015–2025

Peak Salary

$195,597

2023

Full 2025 roster at Ontario Power Generation →·See where $177,961 ranks →

Total Compensation History

Total compensation, 2015–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
2015–2025

$115,031 in 2015 is worth about $149,195 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	$177,961Benefits $7,302Total $185,263	$7,302	$185,263
2024	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$190,652Benefits $6,215Total $196,867	$6,215	$196,867
2023	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$195,597Benefits $6,068Total $201,665	$6,068	$201,665
2022	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$181,521Benefits $5,477Total $186,998	$5,477	$186,998
2021	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$164,662Benefits $4,971Total $169,633	$4,971	$169,633
2020	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$182,082Benefits $4,504Total $186,586	$4,504	$186,586
2019	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$155,246Benefits $3,959Total $159,205	$3,959	$159,205
2018	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$155,679Benefits $3,924Total $159,603	$3,924	$159,603
2017	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$148,068Benefits $4,257Total $152,324	$4,257	$152,324
2016	Ontario Power Generation	Supervising Nuclear Operator First Line Manager AssistantOntario Power Generation	$143,731Benefits $1,401Total $145,132	$1,401	$145,132
2015	Ontario Power Generation	Nuclear OperatorOntario Power Generation	$115,031Benefits $1,330Total $116,361	$1,330	$116,361

Take-Home Pay
(After Tax) · 2025 estimate

Take-home on Dennis Houlberg's 2025 salary of $177,961 comes to roughly $119,273 once federal and Ontario income tax (about 29.9% effective) is deducted. It is down about 7% from the $190,652 paid in 2024. On total compensation of $185,263, Dennis Houlberg ranked #3,216 of 10,346 disclosed at Ontario Power Generation that year, where the median salary was $161,066. This estimate leaves out pension contributions; members of OMERS, OTPP, HOOPP or OPTrust typically take home another 7–10% less.

Estimated net pay: ~$119,273
Effective income-tax rate (excl. CPP/EI): ~29.9%
CPP + EI contributions: ~$5,507
All-in deduction rate (incl. CPP/EI): ~33.0%
vs. 2025 Supervising Nuclear Operator, FLM Assistant median: −7%

Where does $177,961 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