Enervenue, the US company commercialising technology adapted from nickel-hydrogen batteries used in space exploration, has signed a three-year Master Supply Agreement (MSA) with a customer in Brazil.

The US Department of Defense Defense Innovation Unit will try out ‘prototype advanced energy systems’ based around LDES technologies.

Enfinite has brought online two more battery assets in a nine-project portfolio in Alberta, Canada, while Elemental Energy has commenced operation of a large-scale vanadium flow battery system.

Flow battery maker Invinity Energy Systems signed a deal for the newest iteration of its product with Everdura at RE+ in Las Vegas last week.

Sumitomo Electric will supply an 8-hour duration vanadium redox flow battery (VRFB) to a recently-established municipal power company in Niigata, Japan.

Closed-loop pumped hydro energy storage (PHES) has fewer emissions associated with its development, construction and use than other leading options for large-scale energy storage.

The domestic manufacturing capabilities of US flow battery providers ESS Inc and Stryten Energy have been celebrated by senior state politicians in Oregon and Georgia respectively.

Germany-based flow battery company VoltStorage has been granted a venture debt loan of €30 million (US$33 million) by the European Investment Bank (EIB), guaranteed by the European Commission.

More news in brief from around the world in energy storage, featuring vanadium redox flow batteries (VRFBs), bankruptcy for a thermal storage startup and a new integrated lithium tech.

Our mid-year series continues with a look back at all 12 Guest Blogs published during the first six months of this year.