Mark Alphonso

$161,641.57asSupervising Nuclear Operator First Line Manager Assistant

Employed by Ontario Power Generation in 2025, according to Government of Ontario public salary records.

Salary Information

Historical salary and taxable benefits from 2010 to 2025.

YearPositionSalaryBenefitsPerformance
2025
Supervising Nuclear Operator First Line Manager Assistant
$161,641.57
$8,674.19
4.02%
2024
Supervising Nuclear Operator First Line Manager Assistant
$155,393.85
$7,318.05
0.54%
2023
Supervising Nuclear Operator First Line Manager Assistant
$154,562.37
$7,143.24
17.72%
2022
Supervising Nuclear Operator First Line Manager Assistant
$131,293.44
$6,407.88
2.58%
2021
Supervising Nuclear Operator First Line Manager Assistant
$134,772.10
$5,763.59
3.48%
2020
Supervising Nuclear Operator First Line Manager Assistant
$130,243.81
$5,176.41
12.67%
2019
Supervising Nuclear Operator First Line Manager Assistant
$149,135.57
$4,490.58
1.54%
2018
Supervising Nuclear Operator First Line Manager Assistant
$151,472.51
$4,496.58
1.34%
2017
Supervising Nuclear Operator First Line Manager Assistant
$149,475.41
$4,916.30
0.85%
2016
Nuclear Operator
$148,218.21
$1,381.44
0.87%
2015
Nuclear Operator
$149,519.97
$1,371.60
2.92%
2014
Nuclear Operator
$145,273.05
$1,365.60
1.81%
2013
Nuclear Operator
$142,694.19
$1,350.48
9.97%
2012
Nuclear Operator
$129,758.33
$1,357.68
0.41%
2011
Authorized Nuclear Operator in Training, Nuclear Operator
$129,231.51
$1,343.04
3.59%
2010
Nuclear Operator
$124,757.72
$1,212.66

Mark Alphonso earned $161,641.57 as Supervising Nuclear Operator First Line Manager Assistant at Ontario Power Generation in 2025, according to the Ontario Sunshine List. This represents a 4.02% increase over the previous year's reported salary. Mark Alphonso has appeared on the Ontario Sunshine List 16 times between 2010 and 2025, with reported earnings peaking at $161,641.57 in 2025. In addition to salary, $8,674.19 in taxable benefits was disclosed for 2025. Ontario Power Generation reports under the Ontario Power Generation sector of Ontario's public sector salary disclosure.

Top earning Supervising Nuclear Operator First Line Manager Assistants in Ontario Power Generation

NameSalary
Khalid Idrees$279,810.33
Donald Perrie$278,381.72
Jason Mcgee$259,920.88
Garth Ibbitson$257,608.18
Greg Hamilton$254,845.90
Ian Jerome Colbert$254,273.01
Brian Syer$253,579.58
Eric Han$252,029.08
Pardeep Dhillon$251,927.27
Robert Mcrae$249,057.67

Other employees at Ontario Power Generation

NameSalary
Tyler Micklethwaite
Training Technician – Control
$161,707.56
Paul Lanteigne
Civil Maintainer
$161,700.80
Michael Maloney
Mechanical Technician/Technologist
$161,699.40
Syd Turner
Supervising Nuclear Operator First Line Manager Assistant
$161,658.54
Jennifer Grossi
Senior Communications Advisor
$161,652.88
Warren Jackson
Operating Engineer Foreman – Construction
$161,633.46
Adam Bingley
Electrician Foreman Construction
$161,620.51
Daniel Maw
Mechanical Technician First Line Manager Assistant
$161,618.46
Allen Foggetti
Nuclear Operator
$161,604.59
Elizabeth Webster
Electrical and Control Technician
$161,570.30