Energy storage developer Imergy Power Systems has announced the installation of a 30kW, 120kWh ESP30 vanadium flow battery to be tested with PV systems at the SunEdison and Global Academy of Technology (GAT) solar research and testing centre in Bangalore, India.

John Grimes of Australia’s Energy Storage Council reports back from a recent visit to China, where he took a look at the processes and state of play of some of the country’s battery manufacturers.

A proposed “sun tax” on use of batteries for residential self-consumption of solar energy in Spain could increase payback time from around 16 years to 31 years under a new draft Law put forward by the Spanish Government. Hefty fines for infringement, capped at €60 million (US$67.7 million), have also been proposed.

There is a greatly expanded amount of energy storage on offer at the European edition of the Intersolar trade exhibition and conferences this year, including the Electrical Energy Storage (EES) Europe show hosting its own conference for the first time. Andy Colthorpe took the opportunity to canvas opinions on the big trends and topics from a number of industry figures.

A new solar-plus-storage division is to be launched by DNV GL, the expert advisory group and certification body announced at Intersolar Europe on Wednesday.

The International Renewable Energy Agency has published a technology roadmap aimed at accelerating the deployment of electrical storage for renewable energy.

Renewables-powered energy systems that work independently of the grid at warehouse locations in India will be provided with flow battery-based energy storage solutions by US company Imergy.

British energy storage company OXIS has claimed that the advent of economically viable solar PV and energy storage technology represents a paradigm shift in developing countries.

Last week the US Energy Storage Association (ESA) hosted its annual conference and exhibition in Dallas, Texas. Andy Colthorpe spoke to Jim McDowall of battery and energy storage system provider Saft, which won the show’s Outstanding Acheivement Award.

Clean energy entrepreneur and activist Jeremy Leggett has said “out of date thinking” is behind a push to make clean energy competitive with fossil fuels within 10 years that was launched today by prominent UK academics.