Aaron Nichols

Ontario Power Generation/Authorization Training Supervisor

2025 Salary

$254,848

Total compensation $267,547, including $12,698 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

#452

Ontario Power Generation

Years on List

2009–2025

Peak Salary

$254,848

2025

Full 2025 roster at Ontario Power Generation →·See where $254,848 ranks →

Total Compensation History

Total compensation, 2009–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
2009–2025

$111,929 in 2009 is worth about $160,653 in 2025 dollars.

Full salary history, by year
Year	Employer	Position	Salary	Benefits	Total
2025	Ontario Power Generation	Authorization Training SupervisorOntario Power Generation	$254,848Benefits $12,698Total $267,547	$12,698	$267,547
2024	Ontario Power Generation	Authorization Training SupervisorOntario Power Generation	$236,061Benefits $10,762Total $246,823	$10,762	$246,823
2023	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$234,142Benefits $10,268Total $244,410	$10,268	$244,410
2022	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$213,586Benefits $9,224Total $222,810	$9,224	$222,810
2021	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$209,263Benefits $8,244Total $217,506	$8,244	$217,506
2020	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$205,713Benefits $7,352Total $213,065	$7,352	$213,065
2019	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$209,398Benefits $6,266Total $215,664	$6,266	$215,664
2018	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$189,216Benefits $6,313Total $195,530	$6,313	$195,530
2017	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$186,344Benefits $7,032Total $193,376	$7,032	$193,376
2016	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$190,366Benefits $1,677Total $192,043	$1,677	$192,043
2015	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$185,280Benefits $1,674Total $186,955	$1,674	$186,955
2014	Ontario Power Generation	Authorized Nuclear OperatorOntario Power Generation	$171,335Benefits $1,591Total $172,926	$1,591	$172,926
2013	Ontario Power Generation	Authorized Nuclear Operator in Training - Nuclear OperatorOntario Power Generation	$155,305Benefits $1,543Total $156,848	$1,543	$156,848
2012	Ontario Power Generation	Authorized Nuclear Operator in Training, Nuclear OperatorOntario Power Generation	$122,131Benefits $1,403Total $123,534	$1,403	$123,534
2011	Ontario Power Generation	Authorized Nuclear Operator in Training, Nuclear OperatorOntario Power Generation	$144,593Benefits $1,500Total $146,092	$1,500	$146,092
2010	Ontario Power Generation	Authorized Nuclear Operator in Training, Nuclear OperatorOntario Power Generation	$146,922Benefits $1,414Total $148,336	$1,414	$148,336
2009	Ontario Power Generation	Authorized Nuclear Operator in Training, Nuclear OperatorOntario Power Generation	$111,929Benefits $1,204Total $113,133	$1,204	$113,133

Take-Home Pay
(After Tax) · 2025 estimate

In 2025, Aaron Nichols's $254,848 salary works out to roughly $158,384 after income tax, CPP and EI — an all-in deduction rate of about 37.9%. That is about 12% below the 2025 median of $289,940 for Authorization Training Supervisor on the Sunshine List. That is about 8% more than the $236,061 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: ~$158,384
Effective income-tax rate (excl. CPP/EI): ~35.7%
CPP + EI contributions: ~$5,507
All-in deduction rate (incl. CPP/EI): ~37.9%
vs. 2025 Authorization Training Supervisor median: −12%

Where does $254,848 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