Federal Energy Regulatory Commission (FERC) Project No. 2426

South State Water Project Hydropower

Applicant: California Department of Water Resources, Los Angeles Department of Water and Power
County: Los Angeles County
FERC License Expiration Date: January 31, 2022
Water Quality Certification Status: Issued January 26, 2022; Amended March 14, 2023
Waterbody: California Aqueduct, Piru Creek, Castaic Creek
FERC Licensing Process: Integrated Licensing Process

Project Description

Facilities associated with the South State Water Project Hydropower (SSWP) are part of a larger water storage and delivery system, the State Water Project (SWP), which is the largest state-owned and operated water supply project of its kind in the United States.

The SSWP is located on the West Branch SWP, northwest of the town of Santa Clarita, in Los Angeles County, California. The existing Project boundary encompasses 6,927.8 acres of land, of which 2807.25 acres are Angles and Los Padres National Forest lands managed by the United States Department of Agriculture. The existing Project has an authorized installed capacity of 1,350 megawatts (MW).

Project elements include: (1) Quail Lake ; (2) lower Quail Canal; (3) Peace Valley Pipeline Intake Embankment; (4) Peace Valley Pipeline; (5) Gorman Bypass Channel; (6) William E. Warne Powerplant; (7) Warne Transmission Line; (8) Pyramid Dam; (9) Angles Tunnel and Penstocks; (10) Castaic Powerplant; (11) Elderberry Forebay Dam; (12) Elderberry Forebay and Castaic Transmission Line.

Related Documents

Final Water Quality Certification Amendment for the South State Water Project Hydropower – March 14, 2023

Water Quality Certification Amendment for Re-Operation of Pyramid Dam for the California Aqueduct Pump Storage Project –South State Water Project Hydropower – February 17, 2023

South State Water Project Hydropower Draft Amended Conditions for Water Quality Certification and Notice of Public Comment Period – January 30, 2023

Final Water Quality Certification for the South State Water Project - January 26, 2022

South State Water Project Amendment to Water Quality Certification – October 22, 2021

Comments on DWR's South SWP Initial Study / Draft Mitigated Negative Declaration – April 21, 2021

Comments on Ready for Environmental Analysis and Preliminary Terms & Conditions – February 1, 2021

Temporary Amendment to the South State Water Project Water Quality Certification – January 15, 2020