Ongoing
Stakeholder input is essential to ISO planning processes. Similar to policy development, the ISO is committed to providing ample opportunities for stakeholder input into these processes.
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*Date is tentative
| Title | Status | Development | Decision | Implementation |
|---|---|---|---|---|
| 2022-2023 Transmission planning process Jan 13, 2022 | Completed | Jun 30, 2023 Final study plan posted | May 18, 2023 Board of Governors approval - transmission plan | |
| 20-Year transmission outlook (2021-2022) May 14, 2021 | Completed | |||
| 20-Year transmission outlook (2023-2024) Aug 09, 2023 | Closed | July 31, 2024 Final 20-year report posted | ||
| 2021-2022 Transmission planning process Feb 18, 2021 | Completed | Mar 31, 2021 Final study plan posted | Mar 17, 2022 ISO Board of Governors approval - transmission plan | |
| 2023-2024 Transmission planning process Jan 16, 2023 | Active |
Jun 03, 2024 Board approved transmission plan posted Jul 18, 2024 Board of Governors for transmission plan extension |
May 23, 2024 Board of Governors approval | |
| 2024 Independent release Jul 22, 2024 | Active |
FERC Order 2222 BRS review
Western Energy Imbalance Market (WEIM) Fab Enhancements BRS review |
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| 2024-2025 Transmission planning process Dec 28, 2023 | Active |
Mar 31, 2025 Draft transmission plan posted May 30, 2025* Final board-approved transmission plan posting |
May 22, 2025 ISO Board of Governors approval | |
| 2025 Independent release May 15, 2025 | Active |
Demand Response Registration System Enhancement BRS review
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| 2025-2026 Transmission planning process Dec 27, 2024 | Active |
Feb 19, 2025 Draft study plan posted May 2025* Final study plan posting Aug 15, 2025* Preliminary reliability study results & mitigation solutions posting Aug 30, 2025* Scenario base cases posting Sep 24-25, 2025* Hybrid stakeholder meeting Oct 09, 2025* Comments due Oct 31, 2025* Final reliability study results posting Nov 2025* Preliminary assessment of policy & economic planning studies posting Nov 19, 2025* Hybrid stakeholder meeting Dec 05, 2025* Comments due Mar 31, 2026* Draft transmission plan posting Apr 15, 2026* Hybrid stakeholder meeting May 2026* Board of Governors meeting May 2026* Final board-approved transmission plan posting |
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| Annual policy initiatives roadmap process - 2021 Feb 28, 2020 | Completed | Jun 14, 2021 Final 2021 policy initiatives roadmap (updated) posted |
Jan 20, 2021 EIM Governing Body briefing Dec 17, 2020 Board of Governors briefing |
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| Annual policy initiatives roadmap process - 2022 May 11, 2021 | Completed |
Mar 16, 2022 Final 2022-2024 policy initiatives roadmap posted Dec 17, 2021 Revised draft 2022 policy initiatives catalog posted |
Feb 09, 2022 Board of Governors and WEIM Governing Body briefing |
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| Annual policy initiatives roadmap process - 2023 Jun 30, 2022 | Completed | Mar 29, 2023 Final catalog and roadmap posted | May 17, 2023 Briefing to Board of Governors and WEIM Governing Body | |
| Annual policy initiatives roadmap process - 2024 Oct 31, 2023 | Completed |
Dec 12, 2024 2024 Final policy initiatives roadmap and dispositions Nov 13, 2024 Draft policy roadmap posted |
Dec 18, 2024 Briefing to Board of Governors and WEM Governing Body | |
| Annual policy initiatives roadmap process - 2025 Jan 01, 2025 | Active | |||
| Budget and Grid Management Charge - 2026 May 21, 2025 | Active |
Jul 21, 2025 Meeting Aug 04, 2025 Comments due Nov 05, 2025 Meeting Nov 19, 2025 Comments due |
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| Budget and grid management charge process - 2022 Jul 12, 2021 | Completed | Dec 20, 2021 Final 2022 Budget and Grid Management Charge Rates Book posted | Dec 15-16, 2021 Board of Governors approval | |
| Budget and grid management charge process - 2023 Jul 13, 2022 | Completed | Jan 05, 2023 Final 2022 budget and grid management charge rates book posted | Dec 14, 2022 Board of Governors approval | |
| Budget and grid management charge process - 2024 May 03, 2023 | Completed | Dec 14, 2023 Final 2024 budget and grid management charge rates book posted |
Dec 21, 2023 FERC approval (ER23-2974) Dec 14, 2023 Board of Governors approval Sep 29, 2023 Tariff amendment (ER23-2974) |
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| Budget and grid management charge process - 2025 Mar 08, 2024 | Completed | Dec 18-19 Board of Governors meeting | Dec 19, 2024 Board of Governors approval | |
| Cost of service study - 2023 May 30, 2023 | Completed |
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Dec 21, 2023 FERC approval (ER23-2974) Sep 29, 2023 Tariff amendment (ER23-2974) Sep 20, 2023 Board of Governors approval |
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| Flexible capacity needs assessment - 2022 Dec 09, 2020 | Completed | Apr 14, 2021 - 2022 final flexible capacity needs assessment posted | ||
| Flexible capacity needs assessment - 2023 Dec 15, 2021 | Completed | May 17, 2022 Final assessment posted | ||
| Flexible capacity needs assessment - 2024 Dec 15, 2022 | Completed | May 17, 2023 Final assessment posted | ||
| Flexible capacity needs assessment - 2025 Dec 13, 2023 | Completed | May 13, 2024 Final assessment posted | ||
| Flexible capacity needs assessment - 2026 Nov 08, 2024 | Active | May 12, 2025 Final assessment posted | ||
| Local capacity requirements process - 2022 Oct 27, 2020 | Completed | Apr 30, 2021 Final 2022 and 2026 technical reports | ||
| Local capacity requirements process - 2023 Oct 19, 2021 | Completed | Apr 28, 2022 Final 2023 and 2027 technical reports posted | ||
| Local capacity requirements process - 2024 Oct 13, 2022 | Completed | May 01, 2023 Final 2024 and 2028 technical reports posted | ||
| Local capacity requirements process - 2025 Oct 10, 2023 | Completed |
Apr 04, 2024 Draft final report and technical reports posted May 01, 2024 Final report posted |
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| Local capacity requirements process - 2026 Oct 03, 2024 | Active |
Apr 02, 2025 Draft final report posted Apr 08, 2025 Final report posted |
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| Participating transmission owner per unit costs - 2021 Mar 26, 2021 | Completed | Apr 1, 2021 Final per unit cost guides posted | ||
| Participating transmission owner per unit costs - 2022 Feb 08, 2022 | Completed | Apr 01, 2022 Final per unit cost guides posted | ||
| Participating transmission owner per unit costs - 2023 Feb 13, 2023 | Completed |
Sep 18, 2023 Final cost guides posted |
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| Participating transmission owner per unit costs - 2025 Feb 25, 2025 | Active | Jun 2025* Final cost guide posting | ||
| Tariff clarifications filing - 2023 Jun 06, 2023 | Completed | Jul 14, 2023 Final tariff matrix posted |
Oct 24, 2023 FERC approval (ER23-2557) Aug 03, 2023 Tariff amendment filing (ER23-2557) |
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| Tariff clarifications filing - 2025 Mar 11, 2025 | Active | Apr 03, 2025 FERC filing | ||
| Tariff clarifications filing process - 2024 Jun 05, 2024 | Completed | July 2024 Final tariff language posted | ||
| Transmission planning process enhancements Jul 14, 2022 | Completed |
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| Transmission planning process phase 3 - revise competitive solicitation project proposal fee May 18, 2023 | Completed |
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
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