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Amendments

All publicly available California ISO-authored tariff amendment filings are posted here in reverse chronological order. 

  • Feb 8, 2017 Tariff amendment - metering rules enhancements (ER17-949)
  • Jan 27, 2017 Tariff amendment - NERC outages reliability standards (ER17-879)
  • Jan 25, 2017 Tariff amendment - Congestive Revenue Rights clawback rule modification (ER17-853)
  • Jan 24, 2017 Tariff amendment - T+35M settlement timeline dispute (ER17-847)
  • Dec 5, 2016 Tariff amendment - reactive power requirements - automatic voltage regulator (ER17-490)
  • Nov 25, 2016 Tariff amendment - PMin re-rate consistency (ER17-416)
  • Nov 23, 2016 Tariff amendment - administrative pricing enhancements (ER17-415)
  • Oct 28, 2016 Tariff amendment - modify the definition of Load Serving Entity (ER17-218)
  • Oct 14, 2016 Tariff amendment - compliance filing with FERC Order Nos. 827 and 828 (ER17-114)
  • Oct 14, 2016 Tariff amendment - Aliso Canyon gas-electric coordination phase 2 (ER17-110)
  • Oct 6, 2016 Tariff amendment - certain flexible ramping constraint references (ER17-40)
  • Sep 29, 2016 Tariff amendment - Appendix C overlap - locational marginal price (ER16-2701)
  • Aug 19, 2016 Tariff amendment - bidding rules and commitment costs enhancements (ER16-2445)
  • Jun 24, 2016 Tariff amendment - flexible ramping product (ER16-2023)
  • Jun 21, 2016 Tariff amendment - local market power mitigation (ER16-1983)
  • Jun 6, 2016 Tariff amendment - pricing enhancements (ER16-1886)
  • May 25, 2016 Tariff amendment - improve settlement of variable energy resources and bid-cost recovery rules (ER16-1786)
  • May 18, 2016 Tariff amendment - energy storage and distributed energy resource initiative (ER16-1735)
  • May 9, 2016 Tariff amendment - enhance gas-electric coordination - address limited operability - Aliso Canyon (ER16-1649)
  • Apr 28, 2016 Tariff amendment - Energy Imbalance Market enhancements - phase 2 (ER16-1518)
  • Apr 21, 2016 Tariff amendment - revise frequency response requirements - phase 1 (ER16-1483)
  • Mar 23, 2016 Tariff amendment - minimum load costs after re-rate (PMin re-rate) (ER16-1265)
  • Mar 4, 2016 Tariff amendment - distributed energy resource provider (ER16-1085)
  • Feb 4, 2016 Tariff amendment - capacity procurement mechanism (ER16-897)
  • Jan 27, 2016 Tariff amendment - competitive solicitation process enhancements (ER16-767)
  • Jan 7, 2016 Tariff amendment - implement 2015 interconnection process enhancements (ER16-693)
  • Nov 10, 2015 Tariff amendment - maintain effectiveness of default loss allocation tariff provisions (ER16-305
  • Sep 30, 2015 Tariff amendment - interconnection process enhancements - downsizing (ER15-2752)
  • Aug 28, 2015 Tariff amendment - implement transition period pricing - Energy Imbalance Market (ER15-2565)
  • Aug 13, 2015 Tariff amendment - implement settlement process for reliability coordinator charges (ER15-2441)
  • Jul 14, 2015 Tariff amendment - pricing enhancements - revise validation process for ETC and TOR self-schedules (ER15-2204)
  • Jun 15, 2015 Tariff amendment - Energy Imbalance Market enhancements - phase 1 (ER15-1919)
  • Jun 5, 2015 Tariff amendment - phase 2 of commitment cost enhancements (ER15-1875)
  • May 29, 2015 Tariff amendment - phase 1A of reliability services initiative (ER15-1825)
  • May 26, 2015 Tariff amendment - capacity procurement mechanism (ER15-1783-000)
  • Apr 3, 2015 Tariff waiver - virtual bidding at the interties (ER15-1451)
  • Mar 12, 2015 Tariff amendment - multi-stage generator and bid cost recovery clarification (ER15-1229)
  • Jan 15, 2015 Tariff amendment - EIM transition period prices (ER15-861)
  • Jan 14, 2015 Tariff amendment - EIM administrative charge elimination (ER15-850)
  • Dec 31, 2014 Tariff waiver - EIM November 1-13 (ER15-817)
  • Dec 2, 2014 Tariff amendment - pay for performance year one changes (ER15-554)
  • Dec 1, 2014 Tariff amendment - Order 676-H compliance (NAESB requirements) (ER15-526-000)
  • Nov 13, 2014 Waiver request - Energy Imbalance Market (ER15-402)
  • Oct 9, 2014 Tariff amendment - grid management charge (ER15-66)
  • Oct 1, 2014 Tariff amendment - commitment cost enhancements (ER15-15)
  • Sep 10, 2014 Tariff amendment - EIM congestion offset correction (ER14-2834)
  • Sep 2, 2014 Tariff amendment - congestion revenue rights settlement adjustment (ER14-2756-000)
  • Aug 4, 2014 Tariff amendment - compliance with FERC Order 792 (ER14-2581)
  • Aug 4, 2014 Tariff amendment - interconnection process enhancements 4-5 (ER14-2586)
  • Jul 23, 2014 Tariff amendment - Energy Imbalance Market enhancements (ER14-2484-000)
  • Jul 7, 2014 Tariff amendment - outage management system (ER14-2372-000)
  • May 22, 2014 Tariff amendment - full network model expansion (ER14-2017-000)
  • Feb 28, 2014 Tariff amendment - Energy Imbalance Market (ER14-1386-000)
  • Sep 25, 2013 Tariff amendment - bid cost recovery mitigation measures - docket no ER13-2452-000
  • Sep 25, 2013 Tariff amendment - renewable integration market and product review phase 1 - docket no ER13-2452-000
  • May 10, 2013 Tariff amendment - order 1000 phase 2 interregional - docket no ER13-1470-000
  • Jul 28, 2008 Tariff amendment - generator interconnection process reform (ER08-1317-000), (ER09-1722)
  • Jun 27, 2008 Tariff amendment - revise exceptional dispatch provisions (ER08-1178-000)
  • Amendment 60 docket no. ER04-835-000 (commission-imposed must-offer obligation)
  • Amendment 51 docket no. ER03-746-000 (settlement statement re-runs and adjustments to scheduling coordinator invoices)
  • Amendment 32 Docket No. ER01-313-000 (GMC)

California ISO's Electric Tariff Filing to Reflect Market Redesign and Technology Upgrade (MRTU)

California ISO's February 9, 2006 filing in Docket No. ER06-615-000 for the California ISO's Market Redesign and Technology Upgrade (MRTU)

FERC amendments archive