Stem Inc and Sunverge, best known for providing battery and solar-plus-storage solutions for businesses and homes respectively, are partnering with companies in the electric vehicle (EV) sector. 

India’s biggest grid-scale battery storage system to date received a visit from Delhi government minister Satyendar Jain, who emphasised the urgent need for energy storage to stabilise the grid and incorporate higher shares of renewable energy sources. 

Sungrow will supply inverters and battery energy storage system (BESS) equipment to a solar-plus-storage project at a goldmine in Egypt. 

After the expansion of the biggest battery project in world, milestones have been recorded for three more major solar-plus-storage and standalone battery storage projects in California, Hawaii and Florida.

This edition of news in brief from around the world in energy storage focuses on small-scale but potentially significant deployments. 

Energy Vault has become the latest startup with a novel, non-lithium battery energy storage technology to attract significant investment, raising US$100 million through a Series C funding round. 

Alternative asset management group Apollo Global Management has secured a US$150 million investment into US energy storage technology provider and system integrator FlexGen Power Systems.

Investors in large-scale battery projects are recognising the power of software, argues Steve Hanawalt of Power Factors.

Form Energy has closed its Series D financing round, with investors including steel company ArcelorMittal putting US$240 million into the Boston-headquartered iron-air battery startup. 

Kokam will supply a battery energy storage system (BESS) that will serve as a virtual synchronous generator, reducing local reliance on diesel generators on the French Polynesian island of Tahiti.