Energy storage provider AES Energy Storage has signed a multi-year agreement for Korean battery supplier LG Chem to provide 1GWh of lithium-ion battery capacity for AES’s energy storage systems, which a US analyst has said could take around seven to eight years to install and be worth an estimated US$300 million.

More details have emerged on inverters for Tesla’s new home battery system, to be made by Fronius and SolarEdge, while the EV-maker’s energy storage will be installed at demonstration and commercial projects for US utility Edison International.

A grid storage trial which has been billed as the largest of its kind in Europe became operational yesterday.

Dean Frankel of Lux Research blogs about utility Southern California Edison’s recent 235MW award of battery-based energy storage projects, a decision which surpassed their 50MW requirement by some distance and was described as “monumental” by one trade advocacy group when it emerged. Frankel examines the procurement in detail and looks at some of the questions that remain as-yet unanswered by the announcement.

The Karlsruhe Institute of Technology (KIT) has inaugurated a test centre at its northern campus that will pair a 1MW solar array to 100kWh of lithium-ion battery-based energy storage.