Utility E.ON and battery storage engineers redT have partnered to install a demonstration solar-plus-storage system at the HQ of warehousing and logistics firm JB Wheaton in Somerset, England.

Silicon Valley’s Green Charge Networks, which mainly delivers energy storage systems for commercial customers and is involved in a deal to re-purpose ‘second life’ EV batteries, has been acquired by Engie.

Automotive giant Nissan has launched a “groundbreaking” vehicle-to-grid project alongside a new battery storage system which it says will power the firm’s UK offices by 2017.

Oil and gas company Total has proposed to buy battery company Saft, which produces devices for the stationary storage industry as well as for transport and other applications.

Global maker of construction and mining equipment Caterpillar has launched an integrated micro-grid solution which combines solar PV and energy storage with the company’s power generation equipment.

SolarCity, one of the biggest names in US residential solar, has announced a new set of services targeted at utility and grid operators including the official launch of its grid-scale solar-plus-storage offering.

Tucson Electric Power (TEP), a utility in Southern Arizona with around 420,000 customers, has received approval to build two 10MW energy storage systems, including one co-located with solar, from the state’s regulator.

Updated: A list of 100 influential companies quickly making their mark on the energy storage market in the UK and beyond is available for download, after its unveiling at the Energy Storage Summit at Twickenham Stadium.

SolarReserve eyes 1GW solar thermal storage deal in China, first bi-directional inverter launched and proposed Australian pumped hydro site up capacity to 450MW.

All the news, views and updates from the Energy Storage Summit at Twickenham Stadium, London.