Sean Greer

Ontario Power Generation/Authorized Nuclear Operator

2025 Salary

$307,226

Total compensation $314,155, including $6,929 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

#200

Ontario Power Generation

Years on List

2014–2025

Peak Salary

$307,226

2025

Full 2025 roster at Ontario Power Generation →·See where $307,226 ranks →

Total Compensation History

Total compensation, 2014–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
2014–2025

$108,083 in 2014 is worth about $141,752 in 2025 dollars.

Full salary history, by year
Year	Employer	Position	Salary	Benefits	Total
2025	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$307,226Benefits $6,929Total $314,155	$6,929	$314,155
2024	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$261,703Benefits $5,985Total $267,688	$5,985	$267,688
2023	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$267,706Benefits $5,665Total $273,371	$5,665	$273,371
2022	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$216,491Benefits $5,186Total $221,677	$5,186	$221,677
2021	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$227,677Benefits $4,748Total $232,425	$4,748	$232,425
2020	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$224,042Benefits $4,147Total $228,189	$4,147	$228,189
2019	Ontario Power Generation	Authorized Nuclear Operator in Training - Nuclear OperatorOntario Power Generation	$178,779Benefits $3,632Total $182,411	$3,632	$182,411
2018	Ontario Power Generation	Authorized Nuclear Operator in Training - Nuclear OperatorOntario Power Generation	$155,948Benefits $3,615Total $159,563	$3,615	$159,563
2017	Ontario Power Generation	Authorized Nuclear Operator in Training - Nuclear OperatorOntario Power Generation	$179,335Benefits $3,925Total $183,260	$3,925	$183,260
2016	Ontario Power Generation	Authorized Nuclear Operator in Training - Nuclear OperatorOntario Power Generation	$153,247Benefits $1,583Total $154,830	$1,583	$154,830
2015	Ontario Power Generation	Authorized Nuclear Operator in Training - Nuclear OperatorOntario Power Generation	$157,025Benefits $1,567Total $158,592	$1,567	$158,592
2014	Ontario Power Generation	Authorized Nuclear Operator in Training - Nuclear OperatorOntario Power Generation	$108,083Benefits $1,309Total $109,392	$1,309	$109,392

Take-Home Pay
(After Tax) · 2025 estimate

Take-home on Sean Greer's 2025 salary of $307,226 comes to roughly $182,725 once federal and Ontario income tax (about 38.7% effective) is deducted. It is up about 17% on the $261,703 paid in 2024. Records under this name have appeared on the Sunshine List 12 years in all, first in 2014. 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: ~$182,725
Effective income-tax rate (excl. CPP/EI): ~38.7%
CPP + EI contributions: ~$5,507
All-in deduction rate (incl. CPP/EI): ~40.5%
vs. 2025 Authorized Nuclear Operator median: +7%

Where does $307,226 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