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Connecting Today.
Powering Tomorrow.

The Independent Electricity System Operator (IESO) works at the heart of Ontario's power system. The IESO delivers key services across the electricity sector including: managing the power system in real-time, planning for the province's future energy needs, enabling conservation and designing a more efficient electricity marketplace to support sector evolution. 

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IESO

Save on Energy

Reliability Outlook Sector Participants

Fall Reliability Outlook released

The fall edition of the IESO’s Reliability Outlook presents Ontario’s demand forecast, as well as the adequacy of generation and transmission resources over the next 18 months.

According to the latest outlook, Ontario is well-positioned to meet the demand for electricity for the 18-month forecast period – it is expected that any shortfalls arising during this time will be managed through the rescheduling of outages.

To read the report, visit the Reliability Outlook webpage.

Get Involved

Tapping the potential of DERs

Distributed energy resources (DERs) – rooftop solar panels, combined heat and power systems, residential smart thermostats and behind-the-meter energy storage – present a tremendous opportunity to increase competition and enhance the reliability of Ontario’s electricity system. The IESO’s new white paper series lays the groundwork to allow more of these resources to take part in its markets. Read Part 1 – Conceptual Models for DER Participation.

 

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Greenhouse energy profile study

Did you know that energy-efficient lighting alone could save Ontario’s greenhouse sector as much as 230 to 550 gigawatt-hours a year – resulting in cost savings for growers and reducing demand on the province’s electricity system? This report explores the role of energy-efficiency strategies – like Save on Energy’s Retrofit Program – in supporting sector expansion and addressing accelerating demand. To learn more, read the news release, or visit Energy Efficiency Research.

Upcoming Events:

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Kilowatt Way

Whether you live in an apartment or a house – four quick questions will reveal how you use electricity and show you ways to become more energy efficient.

Visit Kilowatt Way