Amendments

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

Tariff amendments - filed in 2018
- Dec 17, 2018 Tariff amendment - custom load aggregation point clarification (ER19-582)
- Dec 12, 2018 Tariff amendment - imbalance conformance enhancement (ER19-538)
- Dec 6, 2018 Tariff amendment - greenhouse gas allowance price inputs and fallback logic clarification (ER19-508)
- Dec 3, 2018 Tariff amendment - compliance with Order No. 841 - electric storage participation (ER19-468)
- Nov 16, 2018 Tariff amendment - generator contingency and remedial action scheme (ER19-354)
- Oct 1, 2018 Tariff amendment - congestion revenue rights auction efficiency track 1B modification (ER19-26)
- Sep 28, 2018 Tariff amendment - Aliso Canyon gas-electric coordination phase 4 (ER18-2520)
- Sep 27, 2018 Tariff amendment - 2018 interconnection process enhancements (ER18-2498)
- Sep 7, 2018 Tariff amendment - compliance with FERC Order No. 844 (ER18-2398)
- Sep 5, 2018 Tariff amendment - dispatch operating target tariff clarification (ER18-2380)
- Aug 31, 2018 Tariff amendment - interim reliability must-run agreement (ER18-2369)
- Aug 31, 2018 Tariff amendment - reliability coordinator services rate design, terms and conditions (ER18-2366)
- Aug 29, 2018 Tariff amendment - regional integration and EIM greenhouse gas compliance - EIM bid adder (ER18-2341)
- Aug 17, 2018 Tariff amendment - energy storage and distributed energy resources phase 2 enhancements (ER18-2242)
- Jul 17, 2018 Tariff amendment - congestion revenue rights auction efficiency track 1B (ER18-2034)
- Jun 14, 2018 Tariff amendment - tariff clarifications (ER18-1787)
- Apr 11, 2018 Tariff amendment - congestion revenue rights auction efficiency track 1A (ER18-1344)
- Mar 23, 2018 Tariff amendment - commitment cost enhancements phase 3 (ER18-1169)
- Jan 29, 2018 Tariff amendment - modification to resource adequacy availability incentive mechanism methodology (ER18-728)
- Jan 12, 2018 Tariff amendment - capacity procurement mechanism risk of retirement process enhancements (ER18-641)
- Jan 9, 2018 Tariff amendment - 2017 expedited GIDAP enhancements (ER18-626)
Tariff amendments archive
Tariff amendments that are archived may still have reporting requirements that are filed regularly with FERC. These filed reports will appear in the archive.
- Tariff amendments - filed in 2017
- Tariff amendments - filed in 2016
- Tariff amendments - filed in 2015
- Tariff amendments - filed in 2014
- Tariff amendments - filed in 2013
- Tariff amendments - filed in 2012
- Tariff amendments - filed in 2011
- Tariff amendments - filed in 2010
- Tariff amendments - filed in 2009
- Tariff amendments - filed in 2008
- Tariff amendments - filed in 2007
- Tariff amendments - filed in 2006
- Tariff amendment - Market Redesign and Technology Upgrade (MRTU) (ER06-615)
  California ISO's February 9, 2006 filing in Docket No. ER06-615-000 for the California ISO's Market Redesign and Technology Upgrade (MRTU)
- Start-up tariff amendments