One hour from Berlin, Feldheim is fully powered by 43 wind turbines, a woodchip-fired heating plant and a biogas plant.

Energy storage and reliability are going to be the next big things.

Despite claims that Tesla’s new lease program will make its Model S affordable, investors have their doubts.

NRG Solar will introduce a home-use solar electric system with energy storage, called Pergola, in late April.

Marubeni Corp. wants to revitalize the geothermal industry by tapping heat that powers volcanoes located 578 miles north of Tokyo.

The energy storage startup closed on a $35 million Series D financing that included other prominent venture capital investors.

The former Treasury Secretary delivers his message to the cleantech industry.

A new report by American Council for an Energy-Efficient Economy (ACEEE) highlights 16 policies that would remove market barriers across the economy to investments in energy efficiency and could save the country approximately $1 trillion in energy bills.

A new report linking an Oklahoma earthquake in 2011 to wastewater resulting from hydraulic fracturing could spur new rules for the industry.

The money, part of the state’s NY-Sun initiative, will add 52 megawatts to New York’s solar power capacity.