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​Commitment costs and default energy bid enhancements

Through this initiative the ISO will evaluate the following two topics: (1) whether commitment proxy costs, generated bids, and default energy bids allow scheduling coordinators to accurately reflect and recover their generators’ unit-specific marginal costs; and (2) whether changes to the economic bidding of commitment costs and associated market power mitigation methodology could increase market benefits when bidding under competitive market dynamics.


Initiative status

Implementation: pending
FERC ruling: pending
Tariff amendment filing: August 30, 2019 (ER19-2727)
Order No. 831 compliance tariff amendment filing: September 5, 2019 (ER19-2757)
Board of Governors approval: March 22, 2018

Current meeting

There is no meeting currently scheduled.

Market notices


Tariff development

Policy development

Working group