IESO officials held firm on excluding hydro redevelopment projects from the ISO’s Long Lead-Time procurement despite objections from potential bidders.

IESO is targeting six areas of NERC’s Reliability Standards in its 2026 compliance program, largely continuing a focus on issues it has prioritized since 2023.

After scrapping most Trudeau-era climate policies, Prime Minister Mark Carney wants to tighten rules over Canada’s industrial carbon markets, which observers say have failed to incentivize emission reductions.

Ontario approved IESO’s proposed $1.5 billion HVDC line under Lake Ontario, which planners say is needed to meet a potential doubling of Toronto’s electricity demand by 2050.

IESO's latest Reliability Outlook reduces its 2026 demand growth projection slightly, citing “international trade tensions.”

IESO released proposed market rule and manual revisions to require synchrophasor data from storage resources.

IESO says record-high clearing prices in its capacity auction will have little impact on ratepayers because the ISO's medium- and long-term procurements play a larger role in the region’s resource adequacy.

Higher prices under Ontario’s renewed market are causing heartburn for mines and greenhouse growers, stakeholders told IESO.

IESO proposed rule changes to eliminate unwarranted make-whole payments to operating reserve providers under Ontario’s nearly eight-month-old Market Renewal Program.