The spikes also have a big effect on wholesale energy prices, which dipped to zero or even to negative territory this spring during certain hours in California, the EIA said.
The extraordinary success of solar power in some pockets of the world that combine sunshine with high investment in the technology mean that governments and energy companies are having radically to rethink the way they manage—and charge for—electricity.
California is one such a place.
On March 11, it passed a milestone on the route to powering the whole state sustainably. For the first time, more than half the power needs of the entire state came from solar power for a few hours that day, according to the US Energy Information Administration (EIA).
Read more