Stakeholder input is vital to the success of ISO's development and implementation of new market designs, policies and infrastructure planning. The policy initiative process allows for a wide variety of stakeholders to engage and give valuable feedback through proposals, meetings, and comments, helping to shape the future of the ISO's energy markets and operations.
To view the 2024 process timeline and policy initiative catalog, visit the Annual policy initiatives roadmap webpage.
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*Date is tentative
| Title | Status | Proposal Development | Decision | Implementation |
|---|---|---|---|---|
| Ancillary service state of charge constraint09/19/2022 | Active | Nov 18, 2022 FERC approval (ER22-2881)
Sep 19, 2022 Tariff amendment (ER22-2881) | Summer 2023
Implementation milestonesJul 01, 2023 Activation, retroactive to TD 9/20/22 (Short-term fix) | |
| Billing, payment and credit enhancementsBPC Enhancements09/26/2023 | Active | Sep 26, 2023 Issue paper and draft final proposal | Phase 1
Nov 08, 2023 Joint ISO Board of Governors and WEIM Governing Body approval | |
| Capacity procurement mechanism enhancements07/27/2022 | Active | Track 2
Sep 21, 2023 Board of Governors meeting Track 1 Jan 11, 2023 Final proposal posted | Track 1
Mar 12, 2023 Board of Governors approval | Track 1: Q3 2023* |
| Central procurement entity implementation 11/11/2021 | Active | Feb 16, 2022 Final proposal posted | Jul 01, 2022 FERC approval (ER22-1604)
Apr 08, 2022 Tariff amendment filing (ER22-1604) Mar 17, 2022 ISO Board of Governors approval | Oct 12, 2022 Master File / CIRA activation
Implementation milestonesJan 01, 2022 Effective date for 2023 Resource Adequacy year |
| Day-ahead market enhancementsDAME06/19/2018 | Active | Jul 11, 2023 Revised draft tariff language posted
May 01, 2023 Revised final proposal posted | Dec 20, 2023 FERC approval (ER23-2686)
Aug 22, 2023 Tariff amendment (ER23-2686) May 17, 2023 Joint WEIM Governing Body and ISO Board of Governors approval | Oct 01, 2025 deployment
Implementation milestonesMay 01, 2026 activation |
| Day-ahead sufficiencyDAS11/15/2023 | Active | |||
| Extended day-ahead market ISO balancing authority area participation rulesEDAM ISO BAA Participation Rules03/20/2023 | Active | Oct 11, 2023 Revised draft tariff language posted
Aug 15, 2023 Track A1 final proposal posted | Track A1
Nov 13, 2023 Tariff amendment (ER24-379) Sep 21, 2023 ISO Board of Governors approval | Spring 2026 Implementation milestones |
| Extended day-ahead marketEDAM10/03/2019 | Active | Mid - April 2024 EDAM access charge FERC filing
Jul 25, 2023 Revised draft tariff language posted Dec 07, 2022 Final proposal posted | Dec 20, 2023 FERC approval (ER23-2686)
Aug 22, 2023 Tariff amendment (ER23-2686) Feb 01, 2023 ISO Board of Governors and WEIM Governing Body joint approval | Oct 01, 2025 deployment
Implementation milestonesMay 01, 2026 onboarding and activation |
| FERC Order No. 881 - managing transmission line ratings phase 105/06/2022 | Active | Jun 23, 2022 Revised draft tariff language posted
| Apr 20, 2023 FERC approval (ER22-2362)
Jul 12, 2022 Compliance filing (ER22-2362) | |
| FERC Order No. 881 - managing transmission line ratings phase 205/06/2022 | Active | Jul 23, 2024 Working group | Jun 16, 2023 Compliance Filing (ER22-2362) | Apr 24, 2024 Data submission working group
Implementation milestonesApr 01, 2024 - track 1 Q4 2024 - track 2 |
| Gas resource management working groupGRM working group07/14/2023 | Active |
| ||
| Generation deliverability methodology reviewGDM12/12/2022 | Active | Jan 16, 2024 Initiative complete; moving to implementation Implementation milestones | ||
| Greenhouse gas coordination working groupGHG Coordination07/14/2023 | Active | Jul 29, 2024* Working group
| ||
| Hybrid resources phase 2HR07/22/2019 | Active | Jan 04, 2024 Revision – Add 4 Market Simulation Business Requirements
Sep 09, 2021 Third revised draft tariff language (phase 2b) posted Dec 28, 2020 Revised draft tariff language (phase 2a) posted | Nov 30, 2021 FERC approval (phase 2b) (ER21-2853)
Jul 15, 2021 Board of Governors approval (aggregate capability constraint) Mar 09, 2021 FERC approval (phase 2a) (ER21-843) Nov 18, 2020 Board of Governors approval Nov 04, 2020 EIM Governing Body briefing | Phase 2c – RIMS: Oct 1, 2024* Activation
Phase 2c TieGen: Jul 01, 2023 Activation Phase 2c RIMS: Q3 2023 Independent release Phase 2b Feb 01, 2023 Implementation Phase 2a Oct 01, 2021 Deployment Oct 2021 Activation |
| Interconnection process enhancements 2021 phase 2IPE 202109/30/2021 | Active | Dec 20, 2022 Draft tariff revisions posted
Sep 20, 2022 Final proposal posted | Mar 27, 2023 FERC approval (ER23-941)
Jan 26, 2023 Tariff amendment (ER23-941) Oct 25-26, 2022 Board of Governors approval | |
| Interconnection process enhancements 2023IPE02/27/2023 | Active | Track 2
Jun 25, 2024 Tariff language posted Jul 08, 2024 Comments due Jul 11, 2024 Meeting Jul 2024* Track 2 FERC filing Track 3 Jul 5, 2024 Revised straw proposal posting Jul 15, 2024 Meeting Jul 29, 2024 Comments due Aug 2024* Draft final proposal posting Sep 2024* Meeting Sep 2024* Comments due Oct 2024* Final proposal posting Oct 2024* Meeting Nov 2024* Comments due Dec 2024* Board of Governors meeting | Track 2
Jun 12, 2024 Board of Governors approval Track 1 Aug 01, 2023 FERC approval (ER23-2058) Jun 02, 2023 Tariff amendment filing (ER23-2058) May 17, 2023 Board of Governors approval | |
| Penalty enhancements - demand response, investigation, and tolling PEDRIT02/20/2024 | Active | Jul 18, 2024* Draft final proposal posting
Jul 25, 2024* Meeting Aug 08, 2024* Comments due on draft final proposal posting Sep 26, 2024* Joint Board of Governors and Governing Body meeting | ||
| Price formation enhancementsPFE04/11/2022 | Active | May 17, 2024 Final proposal posted
| May 31, 2024 Tariff amendment filing (ER24-2168) | |
| Resource adequacy modeling and program design RAMPD08/07/2023 | Active | |||
| Storage bid cost recovery and default energy bids enhancements06/27/2024 | Active | Track 1
Jul 18, 2024 Comments due Jul 22, 2024 Meeting Jul 25, 2024* Straw proposal posting Aug 05, 2024* Meeting Aug 08, 2024* Comments due Aug 14, 2024* Draft final proposal posting Aug 19, 2024* Meeting Aug 23, 2024* Comments due Aug 30, 2024* Final proposal posting Sep 06, 2024* Comments due Sep 26, 2024* Meeting | ||
| Subscriber participating transmission owner model01/11/2023 | Active | Jun 22, 2023 Final proposal posted
Aug 8, 2023 Revised draft tariff language posted | Jul 20, 2023 Board of Governors approval | |
| Test V3 phase 107/18/2024 | Active | |||
| Test V3 phase 207/18/2024 | Active | |||
| Transmission planning process enhancements07/14/2022 | Active |
| ||
| Transmission planning process phase 3 - revise competitive solicitation project proposal fee05/18/2023 | Active | Jul 05, 2023 Final proposal and draft tariff language posted
| Jul 21, 2023 Tariff amendment filing (ER23-2464)
Jul 20, 2023 Board of Governors approval | Fall 2023* Implementation milestones |
| Transmission service and market scheduling priorities phase 2TSMSP05/20/2021 | Active | Q1 2024* Track 2 FERC filing | Track 1
Oct 30, 2023 FERC approval (ER23-2510) Jul 28, 2023 Tariff amendment (ER23-2510) Feb 01, 2023 Board of Governors approval - phase 2 | Monthly: Apr 17, 2024 Activation
Implementation milestonesDaily: Jun 01, 2024 Activation |
| Variable operations and maintenance cost review 2023VOM07/17/2023 | Active | Aug 23, 2023 Final proposal posted
Aug 23, 2023 Draft tariff language posted | Nov 21, 2023 FERC approval (ER23-2956)
Sep 28, 2023 Tariff amendment (ER23-2956) Sep 20, 2023 Board of Governors approval | Dec 1, 2023 Activation Implementation milestones |
| Washington WEIM greenhouse gas enhancementsWA WEIM GHG Enhancements08/09/2022 | Active | Oct 21, 2022 Draft tariff language posted
Sep 22, 2022 Draft final proposal posted | Jun 02, 2023 FERC filing (ER23-2062)
Apr 20, 2023 FERC approval of compliance filing (ER23-474) Mar 13, 2023 Compliance filing (ER23-474) Feb 10, 2023 FERC approval (ER23-474) Dec 19, 2022 Motion for leave to file answer and answer (ER23-474) Nov 21, 2022 Tariff amendment (ER23-474) Oct 25-26, 2022 Joint ISO Board of Governors and WEIM Governing Body approval | Interim solution effective May 01, 2023
Implementation milestonesFull implementation: Nov 01, 2023 |
| WEIM resource sufficiency evaluation enhancementsRSE05/25/2021 | Active | Mar 21, 2023 Revised final draft tariff language posted
Nov 07, 2022 Revised final proposal posted | Mar 31, 2023 Tariff amendment filing (ER23-1534)
Dec 14, 2022 Joint WEIM Governing Body and Board of Governors approval Sep 14, 2022 FERC Order accepting compliance filing (ER22-1278) Jun 07, 2022 Compliance filing (ER22-1278) May 27, 2022 FERC approval (ER22-1278) Mar 11, 2022 Tariff amendment filing (ER22-1278) Feb 09, 2022 ISO Board of Governors approval - phase 1 Feb 02, 2022 Market Surveillance Committee opinion adopted - phase 1 | Jun 01, 2022 - phase 1
Implementation milestonesJul 01, 2023 - phase 2 track 1 Jun 2024 - phase 2 track 2 |
| West-wide governance pathways - step 1Pathways Initiative06/05/2024 | Active | Jul 10, 2024 Comments due
Jul 23, 2024 Stakeholder call | ||
| Western EIM base schedule submission deadline phase 1BSSD09/23/2020 | Active | Nov 05, 2020 Draft final proposal posted
Dec 11, 2020 Revised draft tariff language posted | Sep 25, 2023 FERC approval (ER23-2505)
Jul 28, 2023 Removal of submission deadline revisions (ER23-2505/ER21-955) Jul 19, 2023 Joint ISO Board of Governors and WEIM Governing Body approval Apr 30, 2021 FERC approval in part/rejection in part (ER21-955) Mar 25, 2021 Amendment to tariff changes (ER21-955) Jan 27, 2021 Tariff amendment filing (ER21-955) Dec 17, 2020 Board of Governors approval Dec 02, 2020 Western EIM Governing Body approval | Phase 2:
Spring 2022 Deployment Spring 2022 Activation Phase 1: May 01, 2021 Deployment May 2021 Activation |