A German solar battery startup comes to America

A German company has engineered a lithium-ion battery system with wireless communication to enable homeowners to manage their solar electricity generation and use and control appliances.

Bringing a little cheer to energy innovation

Following the close of a year which saw the politicization of clean energy technologies, the struggles of dozens of solar manufacturers and electric car companies, and a “cleantech cliff” for startup investing, the 2013 ARPA-E Summit could be a sober affair.