. . . (major solar farms that generate power for electric utilities) and
. . . strong growth in residential installations (small-scale rooftop systems).
These rates of growth are due to:
. . . . . . continued low prices for panels,
. . . . . . economies of scale in installations, and
. . . . . . favorable policies for renewable energy.
Wind energy, also was up, driven by:
. . . . . . increasingly large, and economical turbines, and
. . . . . . favorable renewable energy policies.
4-26-2018 Source: 2017: USA #Energy Consumption