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Notice

05/20/2026

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CATEGORIES

Planning

2024-2025 Transmission Planning Process: Approved project sponsor selection report for Manning – Metcalf 500kV Transmission Line Project posted

The California ISO has posted the approved project sponsor selection report for the 2024-2025 Transmission Planning Process Phase 3, Manning – Metcalf 500kV transmission line project, on the 2024-2025 Transmission planning process webpage.

The ISO announced that it selected California Grid Holdings LLC (CalGrid) as the approved project sponsor to finance, construct, own, operate, and maintain the Manning – Metcalf 500kV Transmission Line Project on May 6, 2026.

Per ISO Tariff Section 24.5.5: Within 10 Business Days after selecting an Approved Project Sponsor(s) for a needed transmission solution, the ISO will post on the ISO website a report regarding the selection of the Approved Project Sponsor(s).

The project sponsor selection report concluding the competitive solicitation process for this project is available on the transmission planning process webpage linked above.

Contact information

Questions concerning the sponsor report can be submitted to Transmission Competitive Solicitation at transmissioncompetitivesolicitation@caiso.com 

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