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Commissioners hear PacifiCorp and CAISO plans for congestion allocation, protections for firm transmission holders
Summary
PacifiCorp and CAISO presenters told Utah regulators that CAISO will aggregate congestion differentials and return them to PacifiCorp, which will first use the pool to fully offset congestion for qualified, firm point‑to‑point schedules and then distribute remaining funds to other participants.
PacifiCorp and CAISO presenters reviewed how congestion costs and congestion revenues generated inside PacifiCorp’s balancing authority will be quantified, collected by CAISO and returned for distribution.
Doug (surname not specified in the transcript), the presenter on congestion topics, explained that congestion occurs when lower‑cost generation cannot reach load because of binding transmission constraints, and that the hour‑by‑hour nodal LMP contains energy, congestion and loss components. He said CAISO will collect congestion differentials into a single charge code…
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