Opening Hours
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108

Visual Materials
Borel Hydro Plant - Looking down penstocks to the powerhouse. Kern River Power Company (Pacific Light & Power Company).
photCL SCE 01 - 00851

Visual Materials
The bench excavation site for the main conduit route at Kaweah #3 Hydro Plant, showing rock formations and the mountains in the background, ca. 1913.
photCL SCE 04 - 00179

Visual Materials
Coyote Lake (head of Big Creek), Big Creek [cascade above PH1 site], Stevenson Creek Falls, Thousand Island Lake; Borel Powerhouse & cottages, Borel interior [with the original 5 Pelton Waterwheel units], Kern Sub., Indian Sub., Newhall Sub.; Azusa Hydro Plant; Sierra Hydro Plant; Mentone Hydro Plant; Redondo Steam Plant.
photCL SCE 13 - vol 055

Visual Materials
The Rock Break Shed on the Santa Ana River #1 Hydro Plant flume, showing rock formations.
photCL SCE 01 - 00039

Visual Materials
The site of the tunnels for Kern River #1 Hydro Plant (on the right side) in Kern River Canyon.
photCL SCE 01 - 00688

Visual Materials
PL&Ps first hydro plant built in 1898, Azusa Powerhouse
photCL SCE 02 - 06671