[randysavage]

FTA:

> The Los Angeles Department of Water and Power, the nation’s largest municipal utility, says its proposal would increase the productivity of the dam, which operates at just 20 percent of its potential, to avoid releasing too much water at once and flooding towns downstream.

[londons_explore]

>to avoid releasing too much water at once

Fixing that (digging the river deeper in downsteam towns) would probably be a cheaper way to allow Hoover to scale up and down to more variable demand from wind and solar.