Skip to content

OPEN TODAY: 10 A.M.–5 P.M.

Tickets

Visual Materials

Portal Powerhouse



You might also be interested in

  • Portal Powerhouse

    Portal Powerhouse

    Visual Materials

    Portal Powerhouse - Progress picture showing lower end of Potter Creek diversion returning to main channel just upstream from highway bridge.

    photCL SCE 02 - 43303

  • Portal Powerhouse

    Portal Powerhouse

    Visual Materials

    Portal Powerhouse - Starting to fill Potter Creek temporary diversion channel after returning tunnel flow to permanent tailrace.

    photCL SCE 02 - 43686

  • Portal Powerhouse

    Portal Powerhouse

    Visual Materials

    Portal Powerhouse - View from highway bridge showing excavation progress in tailrace channel section isolated by diverting flow into Potter Creek Tunnel.

    photCL SCE 02 - 43562

  • Portal Powerhouse

    Portal Powerhouse

    Visual Materials

    Portal Powerhouse - Temporary diversion channel on east side of powerhouse. Small left channel carries leakage water from east embankment.

    photCL SCE 02 - 43853

  • Portal Powerhouse

    Portal Powerhouse

    Visual Materials

    Portal Powerhouse - Temporary diversion channel; stream gauger's cabin in background.

    photCL SCE 02 - 43646

  • Portal Powerhouse

    Portal Powerhouse

    Visual Materials

    Portal Powerhouse - Record photo of tailrace channel from State Hwy. Bridge before clean-up from Outage on Sept. 10, 1956

    photCL SCE 02 - 44817