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

Visual Materials
One of the Pelton generator units in Powerhouse 2A.
photCL SCE 02 - 17018

Visual Materials
This interior view of Big Creek Powerhouse #2a shows the large Pelton wheels flanking each of the plant's two generating units. Because of the tremendous water pressure caused by the huge static head on these units, two Pelton wheels, one on each side, drive each generator. This reduces stresses on the common shafrt connecting the water wheels and the generator rotor.
photCL SCE 12 - 00226

Visual Materials
Big Creek Powerhouse 2 & 2A - Cracked & unplated bucket from right-hand wheel - #1 generator, bucket #B18.
photCL SCE 02 - 29002

Visual Materials
Big Creek Powerhouse 2A - Hub of wheel for #2 generator - showing damage caused by dropping from crane.
photCL SCE 02 - 28784

Visual Materials
A Pelton wheel and a generator under construction at Santa Ana River #1 Hydro Plant, ca. 1898.
photCL SCE 01 - 00524

Visual Materials
Big Creek Powerhouse #2A - Cracked and unplated bucket from right-hand wheel of number 1 generator, bucket #B-18
photCL SCE 02 - 28996