William Kemp

Ontario Power Generation/Nuclear Security Officer

2025 Salary

$135,239

Total compensation $142,196, including $6,957 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

#7,662

Ontario Power Generation

Years on List

2013–2025

Peak Salary

$140,868

2020

Full 2025 roster at Ontario Power Generation →·See where $135,239 ranks →

Total Compensation History

Total compensation, 2013–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
2013–2025

$101,029 in 2013 is worth about $135,089 in 2025 dollars.

Full salary history, by year
Year	Employer	Position	Salary	Benefits	Total
2025	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$135,239Benefits $6,957Total $142,196	$6,957	$142,196
2024	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$135,752Benefits $5,900Total $141,652	$5,900	$141,652
2023	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$136,646Benefits $5,762Total $142,409	$5,762	$142,409
2022	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$119,532Benefits $5,188Total $124,719	$5,188	$124,719
2021	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$134,812Benefits $4,686Total $139,498	$4,686	$139,498
2020	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$140,868Benefits $4,230Total $145,099	$4,230	$145,099
2019	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$123,266Benefits $3,695Total $126,961	$3,695	$126,961
2018	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$122,056Benefits $3,700Total $125,756	$3,700	$125,756
2017	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$113,274Benefits $4,075Total $117,350	$4,075	$117,350
2016	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$125,485Benefits $1,323Total $126,808	$1,323	$126,808
2015	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$113,759Benefits $1,316Total $115,075	$1,316	$115,075
2014	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$100,835Benefits $1,310Total $102,145	$1,310	$102,145
2013	Ontario Power Generation	Nuclear Security OfficerOntario Power Generation	$101,029Benefits $1,289Total $102,318	$1,289	$102,318

Take-Home Pay
(After Tax) · 2025 estimate

Take-home on William Kemp's 2025 salary of $135,239 comes to roughly $95,516 once federal and Ontario income tax (about 25.3% effective) is deducted. On total compensation of $142,196, William Kemp ranked #7,662 of 10,346 disclosed at Ontario Power Generation that year, where the median salary was $161,066. That is about the same as the $135,752 paid in 2024. This estimate leaves out pension contributions; members of OMERS, OTPP, HOOPP or OPTrust typically take home another 7–10% less.

Estimated net pay: ~$95,516
Effective income-tax rate (excl. CPP/EI): ~25.3%
CPP + EI contributions: ~$5,507
All-in deduction rate (incl. CPP/EI): ~29.4%
vs. 2025 Nuclear Security Officer median: −1%

Where does $135,239 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