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Decarbonization Hub

The Independent Electricity System Operator is preparing an orderly transition from natural gas generation to other forms of non-emitting supply while at the same time meeting our growing energy needs. Check back here regularly to see the latest activities and how you can get involved. 

Ontario's Energy Transition

In Canada, as in many countries around the world, governments are developing policies aimed at achieving a net-zero greenhouse gas (GHG) emissions economy by 2050, including a clean electricity system. Ontario is in a good position to make this transition, but bridging the work of today with the needs of a decarbonized world will be challenging and complex.

We're working on a collaborative approach across all sectors of the economy to decarbonize Ontario’s electricity system to maintain affordability and keeping the lights on.


Ontario's Electricity Future Needs

With the release of its 25 year demand forecast, this update shows the progress being made to meet Ontario's future energy needs. This includes the development of new nuclear facilities, procuring renewables and expanding Save on Energy efficiency programs.

Read more on Ontario's Energy Future


New Clean Electricity Supply

Decarbonizing the electricity grid is essential in order to build a clean and sustainable energy future. To take the next step on Ontario’s decarbonization journey, the IESO is targeting 2,000 MW of non-emitting generation - wind, solar, bioenergy and hydro, to be online as early as 2030.

Learn more

IESO's Response to the CER

The federal proposed Clean Electricity Regulations (CER) represent a starting point for discussions on a Canada-wide transition to a net-zero electricity sector.  

IESO's Response | March 2024 Update

Fact Sheet: Phasing out Natural Gas Generation in Ontario

city landscape

Transforming the Grid with Storage

Energy storage has many benefits for communities, including supporting the integration of renewable resources, spurring economic development and providing back-up power during emergencies.

Learn more about storage