Maria Chambers

Ontario Power Generation/Civil Maintainer First Line Manager Assistant

2025 Salary

$144,851

Total compensation $149,303, including $4,451 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

#7,002

Ontario Power Generation

Years on List

2007–2025

Peak Salary

$194,144

2024

Full 2025 roster at Ontario Power Generation →·See where $144,851 ranks →

Total Compensation History

Total compensation, 2007–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
2007–2025

$110,438 in 2007 is worth about $162,636 in 2025 dollars.

Full salary history, by year
Year	Employer	Position	Salary	Benefits	Total
2025	Ontario Power Generation	Civil Maintainer First Line Manager AssistantOntario Power Generation	$144,851Benefits $4,451Total $149,303	$4,451	$149,303
2024	Ontario Power Generation	Civil Maintainer First Line Manager AssistantOntario Power Generation	$194,144Benefits $6,307Total $200,451	$6,307	$200,451
2023	Ontario Power Generation	Civil Maintainer First Line Manager AssistantOntario Power Generation	$155,570Benefits $6,160Total $161,730	$6,160	$161,730
2022	Ontario Power Generation	Civil Maintainer First Line Manager AssistantOntario Power Generation	$137,156Benefits $3,435Total $140,591	$3,435	$140,591
2021	Ontario Power Generation	Civil Maintainer First Line Manager AssistantOntario Power Generation	$121,908Benefits $3,159Total $125,067	$3,159	$125,067
2020	Ontario Power Generation	Civil Maintainer First Line Manager AssistantOntario Power Generation	$109,868Benefits $2,902Total $112,771	$2,902	$112,771
2019	Ontario Power Generation	Civil Maintainer First Line Manager AssistantOntario Power Generation	$149,296Benefits $2,602Total $151,898	$2,602	$151,898
2018	Ontario Power Generation	Civil Maintainer First Line Manager AssistantOntario Power Generation	$134,410Benefits $2,598Total $137,009	$2,598	$137,009
2017	Ontario Power Generation	Civil Maintainer First Line Manager AssistantOntario Power Generation	$149,686Benefits $4,315Total $154,000	$4,315	$154,000
2016	Ontario Power Generation	Civil Maintainer First Line Manager AssistantOntario Power Generation	$131,421Benefits $1,290Total $132,711	$1,290	$132,711
2015	Ontario Power Generation	Civil Maintainer First Line Manager AssistantOntario Power Generation	$134,921Benefits $1,282Total $136,204	$1,282	$136,204
2014	Ontario Power Generation	Civil Maintainer First Line Manager AssistantOntario Power Generation	$121,238Benefits $1,276Total $122,514	$1,276	$122,514
2013	Ontario Power Generation	Civil Maintainer First Line Manager AssistantOntario Power Generation	$148,830Benefits $1,263Total $150,093	$1,263	$150,093
2012	Ontario Power Generation	Civil Maintainer, First Line Manager AssistantOntario Power Generation	$129,605Benefits $1,249Total $130,854	$1,249	$130,854
2011	Ontario Power Generation	Civil Maintainer, First Line Manager AssistantOntario Power Generation	$120,710Benefits $1,222Total $121,931	$1,222	$121,931
2010	Ontario Power Generation	Civil MaintainerOntario Power Generation	$114,775Benefits $1,143Total $115,919	$1,143	$115,919
2007	Ontario Power Generation	Civil Maintainer II JourneypersonOntario Power Generation	$110,438Benefits $1,076Total $111,514	$1,076	$111,514

Take-Home Pay
(After Tax) · 2025 estimate

Take-home on Maria Chambers's 2025 salary of $144,851 comes to roughly $100,955 once federal and Ontario income tax (about 26.5% effective) is deducted. For comparison, the median Civil Maintainer First Line Manager Assistant on the 2025 list was paid $150,723; this salary is about 4% less. Maria Chambers has appeared on the list 17 times since 2007. This estimate leaves out pension contributions; members of OMERS, OTPP, HOOPP or OPTrust typically take home another 7–10% less.

Estimated net pay: ~$100,955
Effective income-tax rate (excl. CPP/EI): ~26.5%
CPP + EI contributions: ~$5,507
All-in deduction rate (incl. CPP/EI): ~30.3%
vs. 2025 Civil Maintainer First Line Manager Assistant median: −4%

Where does $144,851 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