. . . 41% less than in 2006, even though renewables have grown to account for as much as
. . . 1/3 of power generation in the country,
. . . according to data released by the federal regulator last week.
This put to rest concerns about,
. . . intermittent sources of power threatening grid stability.
10-27-2016 Source: Do Renewables Threaten Grid Stability?