Wisconsin utility Alliant Energy has announced plans to deploy two projects totalling 175MW/700MWh of battery energy storage in the midwestern state.

A prototype system that can test and sort used battery cells for second life applications has been developed by four companies in the UK in a government-funded initiative.

Gresham House Energy Storage Fund has seen its net asset value increase by 53.5% to £785 million (US$879 million).

Zinc bromide battery startup Gelion has started up manufacturing operations in Australia which lean on existing production techniques for lead-acid batteries.

Moxion, a mobile battery energy storage manufacturer, has closed Series B round with investors including Amazon and Microsoft climate funds.

Increase in battery storage announced by Green Mountain Power, the Vermont utility which was first in the US to deploy Tesla Powerwalls in virtual power plant.

CellCube has formed an R&D partnership in Australia in anticipation of establishing a presence in the country’s long-duration energy storage market.

NextEra Energy Resources has brought into operation a renewable energy project combining wind, solar PV and battery storage in Oregon, thought to be the first US hybrid project of its kind.

Greece-based battery manufacturer Sunlight Group has secured a €140 million (US$136 million) loan for its manufacturing and R&D investments.

Gravity-based energy storage company Energy Vault has announced another battery energy storage deal, agreeing to work with US developer Jupiter Power for 2.4GWh of systems.