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Flexible ramping productIn August 2011, the California ISO Board of Governors approved the flexible ramping constraint interim compensation methodology. At that time the ISO committed to begin a stakeholder initiative to evaluate the creation of a flexible ramping product that will allow the ISO to procure sufficient ramping capability via economic bids. Through this initiative, the ISO will evaluate allocating costs to generation and load in accordance with cost causation principles.
OutcomeOn Nov. 1, 2016, the ISO implemented two market products in the 15- and 5-minute markets: Flexible Ramp Up and Flexible Ramp Down uncertainty awards. These products provide additional upward and downward flexible ramping capability to account for uncertainty due to demand and renewable forecasting errors. In addition, the existing flexible ramping sufficiency test was extended to ensure feasible ramping capacity for real-time interchange schedules. — Effective date: Nov. 4, 2016; Implemented: Nov. 1, 2016; FERC approval: ER17-40: Oct. 31, 2016, ER16-2023: Sept. 26, 2016; Tariff amendment filings: ER17-40: Oct. 6, 2016, ER16-2023: June 24, 2016; Board of Governors approval: Feb. 3, 2016
Flexible ramping product - papers and proposals
Flexible ramping product - tariff language
Comments on revised draft final proposal - 2016
Comments on revised draft technical appendix
Comments on draft technical appendix
Comments on draft final proposal includes 15-minute market and energy imbalance market
Comments on revised straw proposal includes 15-minute market and energy imbalance market
Comments on straw proposal includes 15-minute market and energy imbalance market
Comments on second revised draft final proposal
Comments on flexible ramping product workshop Oct 2, 2012
Comments on technical workshop discussion Sep 18, 2012
Comments on revised draft final proposal
Comments on supplemental foundational approach paper
Comments on technical workshop discussion May 29, 2012
Comments on draft final proposal
Comments on cost allocation straw proposal
Comments on third revised straw proposal
Comments on second revised straw proposal
Comments on revised straw proposal
Comments on straw proposal
Comments - draft tariff language
Comments - flexible ramping constraint penalty price - draft tariff language
Jun 24, 2016 Tariff amendment - flexible ramping product (ER16-2023)
Web conference - revised draft tariff language - May 26, 2016
Web conference - draft tariff language - May 9, 2016
Web conference Jan 5, 2016
Workshop Nov 18, 2015
Meeting - working group - Jun 17, 2015
Web conference Apr 21, 2015
Web conference Dec 11, 2014
Meeting Aug 20, 2014
Meeting Jun 9, 2014
Technical bulletin teleconference Apr 21, 2014
Stakeholder meeting Oct 30, 2012
Stakeholder meeting Oct 2, 2012
Stakeholder workshop Sep 18, 2012
Stakeholder meeting Aug 16, 2012
Stakeholder meeting Jul 17, 2012
Stakeholder web conference Jul 2, 2012
Stakeholder meeting May 29, 2012
Stakeholder meeting Apr 16, 2012
Stakeholder teleconference Mar 14, 2012
Stakeholder meeting Jan 12, 2012
Stakeholder meeting Dec 5, 2011
Stakeholder meeting Nov 7, 2011
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