Inter-SC trades are an optional settlement feature of ISO markets facilitating settlement between two scheduling coordinators to support streamlined bilateral financial arrangements between the parties. Inter-SC trades have no impact on market optimization, market schedules, or dispatch. Currently, inter-SC trades are supported only within the ISO balancing area and are not a feature of or available within WEIM or EDAM balancing authority areas.
The initiative evaluates extension of the inter-SC trade functionality to WEIM and EDAM areas.
| Proposal Development | Decision | Implementation | Completed/Closed |
|---|---|---|---|
|
Sep 20, 2024 Draft tariff language posted
Sep 26, 2024 Presentation to ISO Board of Governors and WEM Governing Body |
Dec 23, 2024 FERC approval (ER25-94)
Nov 05, 2024 Answer to comments (ER25-94) Oct 15, 2024 Tariff amendment (ER25-94) Sep 26, 2024 Joint Board of Governors and Governing Body approval |
Deployed in Production Sep 10, 2026
Implementation milestones
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Closed |