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December 5, 2025
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IESO Removes Credit Requirement for Transmission Registry
IESO's Andrew Lee, Denise Zhong and Nicole Kosonen
IESO's Andrew Lee, Denise Zhong and Nicole Kosonen | IESO
Oct 15, 2025 | Michael Brooks and Rich Heidorn Jr.

IESO removed a credit rating requirement for prospective bidders to enroll in its Transmitter Selection Framework Registry, a prequalification mechanism for the competitive procurement that is expected to begin in 2026.

IESOTransmission Planning
Keywordscost containmentFirst NationsIndependent Electricity System Operator (IESO)Indigenous Opportunities Financing Program (IOFP)Transmitter Selection Framework Registry (TSF-R)
Michael Brooks
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Rich Heidorn Jr.
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