What departments does Independent Electricity System Operator (IESO) have?

Independent Electricity System Operator (IESO) has employees across 9 departments including Operations, Information Security, Finance, Engineering, Program & Project Management.

What is the largest department at Independent Electricity System Operator (IESO)?

The largest department at Independent Electricity System Operator (IESO) is Operations with 5 employees.

How has Independent Electricity System Operator (IESO)'s team size changed over time?

Independent Electricity System Operator (IESO)'s team has decreased from approximately 1.1K to 960 employees based on available data.

Independent Electricity System Operator (IESO) Employee Directory

UtilitiesOntario, Canada1001-5000 Employees

The Independent Electricity System Operator oversees Ontario's electricity system, ensuring the grid operates in real time and planning addresses future demand. It draws on a broad mix of professionals—from engineering and business to information technology, law and social sciences—to run these tasks. The organization is based in Toronto, in the province of Ontario, and functions within the utilities sector to serve the province.

In addition to operations, IESO pursues capacity and infrastructure planning to align with forecasted needs. A notable development in June 2026 was the awarding of a 20-year capacity contract to Neoen and Eagle Lake First Nation under the Long-Term 2 Capacity Services procurement.

Independent Electricity System Operator (IESO) Global Highlights

North America
999

Canada
981
United States Of America
16
Mexico
2

Europe
30

Bulgaria
24
Spain
4
Sweden
1
Italy
1

Asia
2

Indonesia
2

Africa
1

Nigeria
1

South America
1

Chile
1

Independent Electricity System Operator (IESO)'s Leadership

R. S.
Coo And Vp, Markets And Reliability - Ontario’s Independent Electricity System Operator (ieso)
Mobile Phone
Email
E. C.
Cfo And Vp Of Corporate Services
Mobile Phone
Email
B. L.
Cio & Vice President Organizational Development
Mobile Phone
Email
K. K.
Chief Operating Officer
Mobile Phone
Email
L. G.
President And Chief Executive Officer
Mobile Phone
Email
K. S.
President And Senior Project Manager
Mobile Phone
Email
E. N.
Ciso & Director Of Information Security
Mobile Phone
Email
G. O.
Managing Partner
Mobile Phone
Email

Independent Electricity System Operator (IESO) Employee Metrics

100%

50%

0%

2026

2025

Analytics
Engineering
Program & Project Management
Operations
Legal
Other
Business
Administrative
Information Technology
Branding

Contact profiles from Independent Electricity System Operator (IESO)

Name

Title

Contact Info

Location

Last Update

S. G.
Vice President, Human Resources
Mobile Phone
Email
CanadaOntario
Nov 13, 2025
M. M.
Executive Assistant To Executive Vice President, Power System Development
Mobile Phone
Email
CanadaOntario
Nov 13, 2025
L. S.
Executive Assistant To Vice President Legal Resources & Corporate Governance | Board Coordinator
Mobile Phone
Email
CanadaOntario
Nov 13, 2025
G. R.
Administrative Assistant To The Vp, Human Resources
Mobile Phone
Email
CanadaOntario
Apr 17, 2026
M. A.
Head, Solution Delivery
Mobile Phone
Email
Canada
Aug 07, 2024
M. D.
Director, Talent Management
Mobile Phone
Email
CanadaOntario
Apr 14, 2026
R. W.
Corporate Director
Mobile Phone
Email
Canada
Mar 02, 2026
S. I.
Director, Smart Metering
Mobile Phone
Email
Canada
Jul 24, 2024
D. C. C.
Director, Governance, Performance & Strategy (macd)
Mobile Phone
Email
CanadaOntario
Nov 13, 2025
E. D.
Senior Director, Market Operations
Mobile Phone
Email
CanadaOntario
Mar 02, 2026

Frequently Asked Questions

What is Independent Electricity System Operator (IESO) known for?

Independent Electricity System Operator (IESO) operates in the Utilities industry. The company's main headquarters is located in 120 Adelaide Street West Toronto, Ontario m5h 1t1 Canada; you can contact the main corporate office by phone at

+1-905-403-****

. Explore Independent Electricity System Operator (IESO)'s company overview page for more information.

What is Independent Electricity System Operator (IESO)'s most common email format?

Independent Electricity System Operator (IESO) employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Independent Electricity System Operator (IESO) email formats with LeadIQ.

How many employees does Independent Electricity System Operator (IESO) have currently?

Independent Electricity System Operator (IESO) has approximately 1.2K employees as of June 2026. These team members are located across 5 continents, including North AmericaEuropeAsia.

Who are Independent Electricity System Operator (IESO)'s key employees and leadership?

As of June 2026, Independent Electricity System Operator (IESO)'s key employees include:

Coo And Vp, Markets And Reliability - Ontario’s Independent Electricity System Operator (ieso): R. S.
Cfo And Vp Of Corporate Services: E. C.
Cio & Vice President Organizational Development: B. L.
Chief Operating Officer: K. K.
President And Chief Executive Officer: L. G.

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Independent Electricity System Operator (IESO) Employee Directory

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