RWE Renewables has secured an offtake agreement with energy supplier Constellation for a large-scale solar-plus-storage project currently being developed in Texas.

An official ceremony was held in Hubei Province, China, as work began on the first phase of a 100MW / 500MWh vanadium redox flow battery (VRFB) system.

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.