energy that bills the sun and wind instead of the ground, forever, interest-free.
means electricity generated from sources that naturally replenish, like sunlight, wind, water, and heat, rather than from finite fuels you burn once and lose.
from the concept is ancient, windmills and waterwheels predate fossil fuels by centuries, but the term renewable energy took hold in the 1970s oil crisis, when the world suddenly noticed its power supply had a bottom.
three gorges dam — china, worlds largest power station, 22,500 megawatts
hornsea wind farm — north sea, uk, powers over a million homes
iceland geothermal grid — nearly 100 percent renewable electricity nationwide since decades
noor complex morocco — one of the largest concentrated solar plants on earth