Kristian Semeniuk

Ontario Power Generation/Authorized Nuclear Operator

2025 Salary

$272,764

Total compensation $285,701, including $12,937 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

#324

Ontario Power Generation

Years on List

2005–2025

Peak Salary

$272,764

2025

Full 2025 roster at Ontario Power Generation →·See where $272,764 ranks →

Total Compensation History

Total compensation, 2005–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
2005–2025

$104,668 in 2005 is worth about $160,621 in 2025 dollars.

Full salary history, by year
Year	Employer	Position	Salary	Benefits	Total
2025	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$272,764Benefits $12,937Total $285,701	$12,937	$285,701
2024	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$240,589Benefits $10,976Total $251,565	$10,976	$251,565
2023	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$240,299Benefits $10,460Total $250,758	$10,460	$250,758
2022	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$208,092Benefits $9,413Total $217,506	$9,413	$217,506
2021	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$213,486Benefits $8,411Total $221,897	$8,411	$221,897
2020	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$210,457Benefits $7,501Total $217,958	$7,501	$217,958
2019	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$205,555Benefits $6,371Total $211,927	$6,371	$211,927
2018	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$197,088Benefits $6,443Total $203,531	$6,443	$203,531
2017	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$195,981Benefits $7,176Total $203,157	$7,176	$203,157
2016	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$202,790Benefits $1,722Total $204,512	$1,722	$204,512
2015	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$191,182Benefits $1,699Total $192,881	$1,699	$192,881
2014	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$188,160Benefits $1,679Total $189,839	$1,679	$189,839
2013	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$182,121Benefits $1,647Total $183,768	$1,647	$183,768
2012	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$179,256Benefits $1,613Total $180,869	$1,613	$180,869
2011	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$170,913Benefits $1,569Total $172,481	$1,569	$172,481
2010	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$164,249Benefits $1,446Total $165,695	$1,446	$165,695
2007	Ontario Power Generation	Authorized Nuclear Operator in Training, Supervising Nuclear OperatorOntario Power Generation	$127,004Benefits $1,291Total $128,295	$1,291	$128,295
2006	Ontario Power Generation	Authorized Nuclear Operator in Training, Supervising Nuclear OperatorOntario Power Generation	$127,478Benefits $1,700Total $129,178	$1,700	$129,178
2005	Ontario Power Generation	ANOIT, Supervising Nuclear OperatorOntario Power Generation	$104,668Benefits $481Total $105,149	$481	$105,149

Take-Home Pay
(After Tax) · 2025 estimate

Of the $272,764 Kristian Semeniuk earned in 2025, roughly $166,710 would remain after income tax, CPP and EI, an all-in deduction rate of about 38.9%. At Ontario Power Generation, 10,346 people made the 2025 list with a median salary of $161,066; Kristian Semeniuk's total compensation of $285,701 ranked #324. 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: ~$166,710
Effective income-tax rate (excl. CPP/EI): ~36.9%
CPP + EI contributions: ~$5,507
All-in deduction rate (incl. CPP/EI): ~38.9%
vs. 2025 Authorized Nuclear Operator median: −5%

Where does $272,764 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