The two fastest moving regional markets for energy storage in the US have installed nearly 90% of the total deployed across the country for more than two years, according to GTM Research.

News in brief: Younicos partnership on Bavaria’s renewables integrating flow battery, Greensmith raises US$12.3 million including investment from utility AEP, UK virtual power plant triallist Moixa extends crowdfunding period.

Andy Colthorpe speaks to Matt Roberts of the Washington-based Energy Storage Association about topics including real-world applications of tech straight from the lab, why he dislikes subsidies and the group’s technical conference, happening later this month.

News in brief: Australia gets its largest battery storage system to date, Tesla man persuaded to go back to Sonnenbatterie and Gildemeister installs PV-linked flow battery systems in Czech Republic.

Highview Power Storage, a UK company which makes energy storage systems based on liquid air technology, has said that work is well underway on a 5MW demonstration project in the north-west of England.

GE has provided its largest storage system to date, a 30MW for Coachella energy Storage Partners (CESP).

Tesla’s much-hyped battery announcement in April raised important questions over what business models will drive the deployment of stationary battery storage. As Andy Colthorpe reports, one answer is the virtual power plant, in which residential and commercial battery systems are aggregated to provide grid services.

German utility firm RWE has launched a power-to-gas storage system, which it claims has achieved efficiencies as high as 86%.

Solar cell and battery hybrid technology could become a commercial success as long as it clears the “valley of death” out of academia, a scientist working on the project has claimed.

The latest claimant to the crown of ‘largest flow battery installation in North America and Europe’ has emerged, with the award of a 2MW project in Canada to US manufacturer Vizn Energy.