Revised Draft of the 2025-2026 Transmission Plan posting on 5/12/26

The California ISO will be posting the Revised Draft of the 2025-2026 Transmission Plan to the 2025-2026 Transmission planning process stakeholder page by end of day today, May 12, 2026. The revised draft reflects updates based on the consideration of stakeholder feedback and updated data. 

The Revised Draft of the 2025–2026 Transmission Plan will be presented to the ISO Board of Governors at its May 19, 2026 meeting, seeking approval of the Transmission Plan.

Please contact Yelena Kopylov-Alford at ykopylovalford@caiso.com or ISOStakeholderAffairs@caiso.com with any questions.