IESO Opens Day-ahead Market in Nodal Rollout
ISO Proclaims Successful Transition to Nodal Market
Nodal real-time prices in the West electrical zone north of Lake Erie hit the $2,000/MWh ceiling (red nodes) for about 15 minutes on the morning of May 5, at a time when prices elsewhere in Ontario were in the $15/MWh range (blue nodes). | Yes Energy
May 5, 2025
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IESO continued a smooth rollout of Ontario's nodal market, launching a financially binding day-ahead market.
