Independent Electricity System Operator (IESO)
The Independent Electricity System Operator is responsible for operating the electricity market and directing the operation of the bulk electrical system in Ontario.
OPG
Site preparation is underway in southern Ontario for what is expected to be the first small modular reactor to come online in North America, a 300-MW unit projected to cost $7.7 billion CAD.
Yes Energy
IESO continued a smooth rollout of Ontario's nodal market, launching a financially binding day-ahead market.
IESO
The move was a big step for IESO, and one of the biggest tweaks to its market design in years.
Yes Energy
Ontario's IESO successfully launched its nodal market on May 1, reporting few glitches during its rollout.
IESO
IESO is changing how it projects renewable generation output and its accounting for imports and planned loads in the forecasts it uses to manage generator and transmission outages.
NERC
The Canadian supplement to NERC's Interregional Transfer Capability Study recommended 14 GW of additional transfer capability in the country, mostly in Quebec.
Yes Energy
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.
© RTO Insider
IESO has 37.2 GW of installed capacity and 18,640 miles of transmission, both ranked seventh among the nine organized markets in the U.S. and Canada.
IESO
Yes Energy's Emily Merchant provides answers to some frequently asked questions about IESO's new nodal market.
© RTO Insider LLC
Ontario Premier Doug Ford followed through on a threat to implement a 25% tariff on electricity exports to the US, a response to President Trump's own 10% tariff that went into effect last week.
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