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  • Bidding rules enhancements
    Through this initiative the ISO will evaluate the following: 1) unrestricted flexibility of resources to change energy bid prices between the day-ahead and real-time markets, and across real-time hours; 2) restrictions on commitment cost changes between and within the day-ahead and real-time markets; and 3) verification of generator resource characteristics. These proposals may require significant market design and system changes.
    • Outcome
      The ISO implemented, effective November 1, 2017, commitment cost enhancements for gas-fired resources that allow for cost caps and provide sufficient cost recovery. The enhancements increase flexibility in registering fuel regions and allow for cap-and-trade credits to base gas transportation rates for resources with greenhouse gas (GHG) compliance costs; improvements so that each fuel region reflects a unique combination of commodity price, base gas transportation costs and transportation cap-and-trade credits; and, allow resource-specific start-up electricity costs in proxy costs based on the projected wholesale electricity price.— Generator commitment cost improvements - Implementation: Nov. 1, 2017; FERC ruling: Nov. 21, 2016; Tariff amendment filing: Aug. 19, 2016 (ER16-2445); Board of Governors approval: March 24, 2016;—Minimum load costs - Implemented: May 23, 2016; FERC ruling: May 6, 2016 (ER16-1265); Jan. 26, 2017 (ER17-416); Tariff amendment filing: March 23, 2016 (ER16-1265); Nov. 25, 2016 (ER17-416); Board of Governors approval: Feb. 3, 2016
    • Bidding rules enhancements - papers and proposals
    • Bidding rules enhancements - minimum load costs - tariff language
    • Nov 25, 2016 Tariff amendment - PMin re-rate consistency (ER17-416)
    • Aug 19, 2016 Tariff amendment - bidding rules and commitment costs enhancements (ER16-2445)
    • Mar 23, 2016 Tariff amendment - minimum load costs after re-rate (PMin re-rate) (ER16-1265)
    • Comments on draft final proposal - generator commitment cost improvements
    • Comments on draft final proposal - Part A
    • Comments on revised straw proposal
    • Comments on straw proposal
    • Comments on draft tariff language - minimum load costs
    • Comments on FERC Order No. 809 issues - Second round
    • Comments on FERC Order No. 809 issues
    • Comments on issue paper
    • Web conference - tariff language - Sep 27, 2016
    • Web conference - tariff language - Mar 7, 2016
    • Meeting - draft final proposal - Feb 22, 2016
    • Meeting - draft final proposal - Jan 14, 2016
    • Meeting - revised straw proposal - Dec 3, 2015
    • Web conference - FERC Order No. 809 - May 15, 2015
    • Web conference - straw proposal - Apr 29, 2015
    • Web conference Dec 10, 2014
    • Bidding rules enhancements - generator commitment cost improvements - implementation
    • Bidding rules enhancements - relevant market notices