There are 'peaks and valleys' [=high and low periods] in electricity usage throughout the year.
He said I talk like a 'Valley girl'. And I said, “Like, whatever!”
the Shenandoah (River) 'Valley'
(..) touch us till we get over the border. Billy. Give me a way out of this hole. Aerial says we are cut off. The only way outta here is that valley that leads to the east. I wouldn't waste that on a broke-dick dog. Not much choice. Poncho, take lead. Double-time it. Dillon. Over here. (..)1987 Predator