It's called pumped storage, and the plant at Castaic is one of the largest such ... water coming downhill in the giant pipes spins the hydroelectric turbines, generating power for Los Angeles.

In 1976, photographer Ken Lubas covered the construction of the Castaic Hydroelectric Power Plant. Inside one of the many pipes Lubas took this graphic silhouette image. A story in the March 21 ...

Firefighters kept the fire from spreading to Elderberry Canyon, the Castaic Hydroelectric Power Plant and surrounding communities overnight, officials said. Crews were also focused Thursday on ...

LOS ANGELES, Nov 29 (Reuters) - The 1,440-megawatt Castaic hydro power plant in southern California will be shut for maintenance for about 10 days longer than state officials had said previously ...

The Hughes fire is burning just a few miles southeast of the Castaic Power Plant, a “pumped storage” hydroelectric plant operated by the Los Angeles Department of Water and Power. LADWP has ...