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David Johnson

Ontario Power Generation/Mechanical Technician First Line Manager Assistant

2025 Salary

$235,630

Total compensation $244,601, including $8,972 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

#729

Ontario Power Generation

Years on List

14

2012–2025

Peak Salary

$249,002

2023

Full 2025 roster at Ontario Power Generation·See where $235,630 ranks →

Total Compensation History

Total compensation by yearLine chart of 14 yearly values of total compensation, from $140,103 in 2012 to $244,601 in 2025.$100K$150K$200K$250K$300K201220152017202020222025
Total compensation, 2012–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
20122025

$138,673 in 2012 is worth about $187,100 in 2025 dollars.

Full salary history, by year
YearPositionSalary
2025Mechanical Technician First Line Manager AssistantOntario Power Generation$235,630
2024Mechanical Technician First Line Manager AssistantOntario Power Generation$246,770
2023Ontario Power Generation$249,002
2022Mechanical Technician First Line Manager AssistantOntario Power Generation$183,959
2021Mechanical Technician First Line Manager AssistantOntario Power Generation$218,994
2020Mechanical Technician First Line Manager AssistantOntario Power Generation$192,302
2019Mechanical Technician First Line Manager AssistantOntario Power Generation$199,003
2018Mechanical Technician First Line Manager AssistantOntario Power Generation$175,424
2017Mechanical Technician First Line Manager AssistantOntario Power Generation$180,113
2016Mechanical Technician First Line Manager AssistantOntario Power Generation$177,331
2015Mechanical TechnicianOntario Power Generation$160,166
2014Mechanical TechnicianOntario Power Generation$138,130
2013Mechanical TechnicianOntario Power Generation$158,139
2012Mechanical TechnicianOntario Power Generation$138,673

Take-Home Pay
(After Tax) · 2025 estimate

David Johnson was paid $235,630 in 2025; after income tax, CPP and EI that is roughly $148,758, an effective income-tax rate of about 34.5%. Compared with 2024, when the figure was $246,770, that is a drop of about 5%. David Johnson has appeared on the list 14 times since 2012. 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
~$148,758
Effective income-tax rate (excl. CPP/EI)
~34.5%
CPP + EI contributions
~$5,507
All-in deduction rate (incl. CPP/EI)
~36.9%
vs. 2025 Mechanical Technician First Line Manager Assistant median
+15%

Where does $235,630 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

View all 10,346 employees at Ontario Power Generation (2025) →