Sheldon Webster

Ontario Power Generation/Authorized Nuclear Operator

2025 Salary

$278,633

Total compensation $291,423, including $12,790 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

#293

Ontario Power Generation

Years on List

2012–2025

Peak Salary

$289,252

2023

Full 2025 roster at Ontario Power Generation →·See where $278,633 ranks →

Total Compensation History

Total compensation, 2012–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
2012–2025

$140,784 in 2012 is worth about $189,948 in 2025 dollars.

Full salary history, by year
Year	Employer	Position	Salary	Benefits	Total
2025	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$278,633Benefits $12,790Total $291,423	$12,790	$291,423
2024	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$278,088Benefits $10,868Total $288,955	$10,868	$288,955
2023	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$289,252Benefits $10,513Total $299,765	$10,513	$299,765
2022	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$258,351Benefits $9,473Total $267,824	$9,473	$267,824
2021	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$249,762Benefits $8,499Total $258,261	$8,499	$258,261
2020	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$252,707Benefits $7,614Total $260,321	$7,614	$260,321
2019	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$229,644Benefits $6,528Total $236,172	$6,528	$236,172
2018	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$224,905Benefits $6,573Total $231,479	$6,573	$231,479
2017	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$219,303Benefits $7,280Total $226,583	$7,280	$226,583
2016	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$230,468Benefits $1,846Total $232,315	$1,846	$232,315
2015	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$207,313Benefits $1,771Total $209,084	$1,771	$209,084
2014	Ontario Power Generation	Authorized Nuclear Operator in Training - Nuclear OperatorOntario Power Generation	$172,863Benefits $1,720Total $174,582	$1,720	$174,582
2013	Ontario Power Generation	Authorized Nuclear Operator in Training - Nuclear OperatorOntario Power Generation	$144,149Benefits $1,675Total $145,824	$1,675	$145,824
2012	Ontario Power Generation	Authorized Nuclear Operator in Training, Nuclear OperatorOntario Power Generation	$140,784Benefits $1,566Total $142,350	$1,566	$142,350

Take-Home Pay
(After Tax) · 2025 estimate

Sheldon Webster was paid $278,633 in 2025; after income tax, CPP and EI that is roughly $169,439, an effective income-tax rate of about 37.2%. At Ontario Power Generation, 10,346 people made the 2025 list with a median salary of $161,066; Sheldon Webster's total compensation of $291,423 ranked #293. It is little changed from the $278,088 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: ~$169,439
Effective income-tax rate (excl. CPP/EI): ~37.2%
CPP + EI contributions: ~$5,507
All-in deduction rate (incl. CPP/EI): ~39.2%
vs. 2025 Authorized Nuclear Operator median: −3%

Where does $278,633 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