Water Quality Certification Program


Federal Energy Regulatory Commission (FERC) Project No. 2107
Project Name: Poe Hydroelectric Project

Poe Dam
Applicant: Pacific Gas and Electric Company, Inc. (PG&E)
County: Butte
License Expiration Date: September 30, 2003
Water Quality Certification Status: Issued December 28, 2017
Waterbody: North Fork Feather River
FERC Licensing Process: Traditional Licensing Process

Project Description:

The Poe Hydroelectric Project (Poe Project) is located on the North Fork Feather River (NFFR), just south of the community of Pulga, in Butte County, California. The Poe Project boundary encompasses 313 acres of land, including 157 acres of PG&E-owned land, 144 acres of United States Forest Service lands (Plumas National Forest), and 12 acres of private land.

The Poe Project consists of: (1) the 400-foot-long, 60-foot-tall Poe Dam, with four 50-foot-wide by 41-foot-high radial flood gates, a 20-foot-wide by 7-foot-high small radial gate, and a small skimmer gate that is no longer used; (2) the 53-acre Poe Reservoir; (3) a concrete intake structure located on the shore of Poe Reservoir; (4) a 19 feet diameter pressure tunnel with a total length of about 33,000 feet; (5) a differential surge chamber located near the downstream end of the tunnel; (6) a steel underground penstock about 1,000 feet long and about 14 feet in diameter; (7) a reinforced concrete powerhouse, which is 175-feet-long by 114-feet-wide, with two vertical-shaft Francis-type turbines rated at 76,000 horsepower and a total authorized installed capacity of 142.83 megawatts (MW) and an average annual generation of 583 gigawatt hours (GWh); (8) the 370-foot-long, 61-foot-tall, concrete gravity Big Bend Dam; (9) the 42-acre Big Bend Reservoir; and (10) a switchyard including two 3-phase 69,000-kilovolt ampere transformers and two 230-kilovolt (kV) circuit breakers with accompanying equipment. There are no transmission lines as part of the Poe Project. Power from the Poe Project is delivered directly to the Rock Creek-Rio Oso No. 1 230-kV transmission line, which loops into the Poe Project switchyard.

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