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July 19, 2025

Market Renewal Program

IESO
Ontario Nodal Market Operating as Expected at 1-month Mark

Ontario’s nodal market is showing promise one month after its launch, with improved price certainty, increased day-ahead trading and LMPs reflecting expected congestion patterns, IESO officials say.

Yes Energy
IESO Nodal Market Launch Successful
Ontario's IESO successfully launched its nodal market on May 1, reporting few glitches during its rollout.
Yes Energy
Ontario Introducing Nodal Market May 1
IESO is scheduled to launch its new nodal market May 1, a change it says will save Ontario $700 million over the next decade through reduced out-of-market payments and increased efficiency.
IESO
FAQs: Ontario’s Shift to a Nodal Market
Yes Energy's Emily Merchant provides answers to some frequently asked questions about IESO's new nodal market.

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