“Breakthrough in next generation of storage batteries could transform the US electrical grid within five to 10 years, says research agency, Arpa-E
A US government agency says it has attained the “holy grail” of energy – the next-generation system of battery storage, that has has been hotly pursued by the likes of Bill Gates and Elon Musk.
Thu 3 Mar 2016”
On September 6, wind and solar were producing 6% of US electricity, while natural gas and coal were producing 66%.
Real-time Operating Grid – U.S. Energy Information Administration (EIA)