One of Germany’s largest utilities wants to build what it says could be the biggest ‘battery’ in the world to date – using underground caverns filled with saltwater as a giant redox flow energy storage system.

US-based trade industry groups NY-BEST and the Energy Storage Association, have welcomed the passing of bills in New York providing a framework for the state’s regulator to establish an energy storage deployment programme.

Energy storage is the next obvious addition to solar plants in the UK. Elizabeth Reid of law firm Bird & Bird takes a look at some of the drivers, opportunities – and regulatory obstacles.

Major solar investor Foresight Group has more UK battery storage projects firmly its crosshairs and could branch out into both C&I and co-located projects in the near future.

Up to US$6.3 million in funding will support the commercialisation of emerging energy storage technologies in New York, from public benefit corporation NYSERDA (New York State Energy Research & Development Agency).

One of the world’s leading suppliers of solar PV trackers is targeting sales volumes of approximately 15MW per week of the new battery solution it has paired with its products.

UK-based infrastructure investor Foresight Group has sealed its maiden battery storage purchase, acquiring the 35MW RES-built Port of Tyne project in the North-East of England.

The UK and Ireland subsidiary of the Virginia-headquartered AES Corporation has signed an agreement with a Northern Irish government agency to build a 100MW battery storage array.

O&M analytics software provider QOS Energy has delivered its energy management system to an R&D project run by French aggregator Sun’R Smart Energy’s examining grid integration of renewables using pumped hydro storage.

Brisbane-based renewable energy investor Lyon Group has launched an innovative utility-scale solar-plus-storage market services tender to cover 640MWh of storage across three major projects in Victoria, South Australia and Queensland.