Since 2010, the cost of lithium-ion battery packs for electric vehicles has dropped 60%, from $1000 to $400 per kilowatt-hour (kWh) according to analysis by BNEF. At the same time, concerns regarding urban air pollution and our need to deploy zero emission vehicles in these cities are increasing. Melissa C. Lott takes a closer look at how EVs could help – and what the limitations might be.

Sonnenbatterie, Germany’s market leader for residential energy storage, has launched an energy trading platform that the company believes could make it as big as existing utility companies, rebranding itself as Sonnen in the process.

A US company which analyses Big Data for energy applications has claimed a world first with its involvement in a Dutch project to integrate multiple distributed energy resources into a single system.

James P McDougall, CEO of Younicos blogs on the possibilities of establishing a solar-oriented baseload – and why his company is convinced of the scaling potential of utility-scale batteries.

Aquion Energy’s non-toxic ‘saltwater’ batteries will be used to illuminate a dedicated bicycle lane at an airport in Thailand.

Steag, a major power generator which constructs, plans and operates power plants, is spending US$100 million on acquiring 90MW of large-scale energy storage to help stabilise Germany’s grid.

Tesla batteries in microgrids will be deployed to help integrate renewable energy into California’s interdependent “water-energy nexus”, as the state faces it worst drought on record.

Energy storage manufacturing is the fastest growing business unit for tool maker Manz, the company has told PV Tech Storage.

A large-scale energy storage system aimed at integrating renewables into electricity networks has been completed on the Hawaiian island of Kaua’i, paired with the state’s biggest PV array to date.

Saft wins deal with Saudi Arabian industrial giant, Swiss college adds battery to smart grid research and an energy storage caucus hits Capitol Hill.