Why We Still Don’t Have Better Batteries

Earlier this year, Ellen Williams, the director of ARPA-E, the U.S. Department of Energy’s advanced research program for alternative energy, made headlines when she told the Guardian newspaper that “We have reached some holy grails in batteries.” Despite very...

National Grid Goes Big Into Energy Storage

U.K. grid operator National Grid has just put its money behind one of the world’s single largest procurements of energy storage. Late last week, the owner and operator of the transmission grid in England and Wales announced 201 megawatts of winning bids of its...