COVID-19 Related Updates

The coronavirus pandemic has required changes to the way we all do business. The IESO is closely monitoring demand, revising forecasts, and responding to changing system needs.

The IESO is grateful to our market participants for the flexibility they’ve shown in changing circumstances, which has enabled us to ensure the continued reliability of Ontario’s power system.


COVID-19 impacts on Ontario's electricity system
June 18, 2020

As the weather gets warmer and the province reopens, Ontario’s electricity us is also starting to ramp back up. Here are a few insights on the system as a whole, as well as analysis on the business and residential sectors.                  

Forecasting electricity demand in a time of uncertainty
June 1, 2020            

IESO’s planners and forecasters are monitoring the impacts of the pandemic on future near, medium and long-term needs, which have shifted from what was anticipated. As the province moves towards the re-opening of the economy, economic outlooks will play an important role in developing future demand and supply scenarios.

Update on Electricity System Impact of COVID-19 - Webinar May 20, 2020, 10:00 a.m. - 12:00 pm.

The IESO will provide an update on the current and future impacts of COVID-19 on the electricity system. This webinar will be held as part of the IESO May Stakeholder Engagement meetings. The presentation and archive from the IESO’s first COVID-19 webinar held on April 23 can be found below.

April 23, 2020

At a recent webinar, the IESO discussed the state of Ontario’s power system and how close coordination with industry partners contributes to the management of a reliable grid. The IESO also provided insights to the changes it is observing in demand and how it is adapting its demand forecasting practices.

Listen to the recorded presentation or read webinar presentation.

IESO response to April 23rd webinar questions | Data tables

Changing residential demand patterns
April 16, 2020

As Ontarians settle into at home routines, Ontario’s electricity demand patterns have changed to reflect new habits.

A message from IESO President & CEO Peter Gregg
April 9, 2020

Through the management of outages, collaboration and information sharing, the IESO is working with market participants to provide the necessary flexibility to balance Ontario’s supply and demand.

IESO response to COVID-19
April 2, 2020

Read the IESO’s observations about the impact that COVID-19 had on Ontario’s electricity demand patterns in March 2020.

A message from IESO President & CEO Peter Gregg
March 26, 2020

The IESO is focused on ensuring that the power system operates reliably through the monitoring of changing demand and the sharing of information with its industry partners.

COVID-19 update 
March 19, 2020

Ontario’s electricity system remains stable and reliable. The IESO is well equipped to manage changing grid conditions as more Ontarians work from home and businesses alter their operations.

IESO response to the Coronavirus (COVID-19) outbreak
March 12, 2020

Amid growing concerns about the Coronavirus outbreak, the IESO has implemented controls to ensure the reliable operation of the Ontario electricity grid and minimize risks to its employees and stakeholders.