Peter Nimmo

Ontario Power Generation/Civil Maintainer First Line Manager Assistant

2023 Salary — last year on the list

$177,364

Total compensation $183,918, including $6,555 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
2023

Employer Rank

#2,625

Ontario Power Generation

Years on List

2002–2023

Peak Salary

$183,525

2016

Full 2023 roster at Ontario Power Generation →·See where $177,364 ranks →

Total Compensation History

Total compensation, 2002–2023. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
2002–2023

$106,071 in 2002 is worth about $174,169 in 2025 dollars.

Full salary history, by year
Year	Employer	Position	Salary	Benefits	Total
2023	Ontario Power Generation	Civil Maintainer First Line Manager AssistantOntario Power Generation	$177,364Benefits $6,555Total $183,918	$6,555	$183,918
2022	Ontario Power Generation	Civil Maintainer First Line Manager AssistantOntario Power Generation	$168,305Benefits $5,883Total $174,188	$5,883	$174,188
2021	Ontario Power Generation	Civil Maintainer First Line Manager AssistantOntario Power Generation	$172,329Benefits $5,292Total $177,620	$5,292	$177,620
2020	Ontario Power Generation	Civil Maintainer First Line Manager AssistantOntario Power Generation	$178,420Benefits $4,754Total $183,174	$4,754	$183,174
2019	Ontario Power Generation	Civil Maintainer First Line Manager AssistantOntario Power Generation	$147,212Benefits $4,125Total $151,337	$4,125	$151,337
2018	Ontario Power Generation	Civil Maintainer First Line Manager AssistantOntario Power Generation	$157,726Benefits $4,132Total $161,858	$4,132	$161,858
2017	Ontario Power Generation	Civil Maintainer First Line Manager AssistantOntario Power Generation	$167,794Benefits $4,576Total $172,370	$4,576	$172,370
2016	Ontario Power Generation	Civil Maintainer First Line Manager AssistantOntario Power Generation	$183,525Benefits $1,330Total $184,856	$1,330	$184,856
2015	Ontario Power Generation	Civil Maintainer First Line Manager AssistantOntario Power Generation	$169,108Benefits $1,323Total $170,431	$1,323	$170,431
2014	Ontario Power Generation	Civil Maintainer First Line Manager AssistantOntario Power Generation	$114,533Benefits $1,316Total $115,849	$1,316	$115,849
2013	Ontario Power Generation	Civil Maintainer First Line Manager AssistantOntario Power Generation	$107,881Benefits $4,140Total $112,021	$4,140	$112,021
2012	Ontario Power Generation	Civil Maintainer, First Line Manager AssistantOntario Power Generation	$112,249Benefits $1,284Total $113,533	$1,284	$113,533
2010	Ontario Power Generation	Civil Maintainer, First Line Manager AssistantOntario Power Generation	$102,716Benefits $1,214Total $103,930	$1,214	$103,930
2009	Ontario Power Generation	Civil Maintainer, First Line Manager AssistantOntario Power Generation	$107,082Benefits $1,200Total $108,282	$1,200	$108,282
2008	Ontario Power Generation	Civil Maintainer/First Line Manager AssistantOntario Power Generation	$103,606Benefits $1,207Total $104,813	$1,207	$104,813
2007	Ontario Power Generation	First Line Manager Assistant, Civil IIOntario Power Generation	$106,564Benefits $1,136Total $107,700	$1,136	$107,700
2006	Ontario Power Generation	First Line Manager Assistant, Civil IIOntario Power Generation	$110,560Benefits $1,537Total $112,097	$1,537	$112,097
2005	Ontario Power Generation	First Line Manager Asst., Civil IIOntario Power Generation	$115,715Benefits $438Total $116,152	$438	$116,152
2004	Ontario Power Generation	FLM Asst., Civil IIOntario Power Generation	$104,267Benefits $426Total $104,693	$426	$104,693
2003	Ontario Power Generation	FLMa, Civil IIOntario Power Generation	$100,670Benefits $380Total $101,051	$380	$101,051
2002	Ontario Power Generation	FLMa, Civil IIOntario Power Generation	$106,071Benefits $445Total $106,517	$445	$106,517

Take-Home Pay
(After Tax) · 2023 estimate

Of the $177,364 Peter Nimmo earned in 2023, roughly $117,233 would remain after income tax, CPP and EI, an all-in deduction rate of about 33.9%. Among those listed as Civil Maintainer First Line Manager Assistant in 2023, the median was $150,163; this salary sits about 18% above it. Peter Nimmo has appeared on the list 21 times since 2002. This estimate leaves out pension contributions; members of OMERS, OTPP, HOOPP or OPTrust typically take home another 7–10% less.

Estimated net pay: ~$117,233
Effective income-tax rate (excl. CPP/EI): ~31.2%
CPP + EI contributions: ~$4,756
All-in deduction rate (incl. CPP/EI): ~33.9%
vs. 2023 Civil Maintainer First Line Manager Assistant median: +18%

Where does $177,364 rank on the Sunshine List? →

Estimate only: 2023 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
2023

Also at Ontario Power Generation, 2023
#	Name	Position	Salary	Total
1	Kenneth Hartwick	President and Chief Executive Officer	$1,925,372	$1,932,912
2	Dominique Miniere	Chief Strategy Officer	$1,194,533	$1,197,801
3	Michael Martelli	Chief Projects Officer	$972,747	$975,925
4	Christopher Ginther	Executive Vice President Business Strategy and Commercial Management	$889,925	$897,052
5	Nicolle Butcher	Chief Operations Officer	$894,783	$896,070
6	Steve Gregoris	Chief Nuclear Officer	$809,566	$812,693
7	Jon Franke	Senior Vice President Pickering A	$803,730	$805,707
8	Mark Knutson	Chief Enterprise Engineering and Chief Nuclear Engineer	$682,378	$684,884
9	Aida Cipolla	Chief Financial Officer and Senior Vice President - Finance	$679,657	$681,894
10	Melissa Hogg	Chief Administrative and Ethics Officer	$612,792	$617,285