IESO
Ontario’s Independent Electricity System Operator is a government organization with a mixture of commercial and public-policy goals, owned by the government of Ontario. It was created to prepare for deregulation of the province’s electrical system and is governed by a board whose directors are appointed by the provincial government.
Ontario Power Generation
Ontario approved a $26.8 billion CAD plan to overhaul four aging nuclear reactors that supply approximately 11% of the province’s electricity needs.
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The longstanding links between U.S. and Canadian electricity grid operators won’t be easily fractured by the tariff-driven political rift between D.C., and Ottawa, industry participants on both sides of the border say.
IESO
Higher prices under Ontario’s renewed market are causing heartburn for mines and greenhouse growers, stakeholders told IESO.
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.
Corre Energy/Long Duration Energy Storage Council
IESO is considering a broader range of long-duration energy storage technologies in its upcoming long lead-time procurement (but will not include hydroelectric redevelopments, officials told stakeholders.
IESO
The reference scenario in IESO’s 2026 Annual Planning Outlook indicates net annual energy demand growth of 65% by 2050, from just over 150 TWh in recent years to 250 TWh.
Ontario Power Generation
IESO will implement new rules for breaking ties and reducing unfulfilled commitments in its capacity market ahead of its next auction Nov. 26-27.
IESO
After more than six months of operations under its Market Renewal Program, IESO is implementing “non-substantive” rule changes it says will improve clarity and alignment.
IESO
IESO will begin allowing corporate energy buyers to purchase power from off-site renewable generators next spring, giving loads another way to reduce their Global Adjustment charges.
Government of Ontario
IESO is considering ways to grow Ontario’s economy and secure its energy supply without relying on trade with its U.S. neighbors, just as President Donald Trump launched another salvo in his ongoing trade war on Canada.
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