Long-Duration Energy Storage intelligence — updated daily.
The UK's state-owned National Wealth Fund has taken a cornerstone position in vanadium flow battery maker Invinity Energy Systems' £25 million fundraise, announced on 22 October 2026.
Sumitomo Electric has supplied an 8,000 kWh / 2,000 kW redox flow battery to a grid-connected storage plant in Nagasu, Kumamoto, built by Shin-Demitsu, with full operation starting 1 November 2026.
Singapore's NTU and flow-battery developer VFT have opened a S$15 million, four-year joint research laboratory to make vanadium redox flow batteries safer, longer-lasting and cheaper for grid-scale storage.
Vanadium flow battery maker Invinity has closed a £25 million equity raise led by a £12.2 million cornerstone investment from the UK's National Wealth Fund, its second capital injection since May 2024.
A 100 MW/400 MWh compressed air plus flywheel project in Fushun has passed preliminary design review, while salt-cavern CAES designs in China now target efficiencies above 70% at 300 MW scale.
Hebei Jiantou Vanadium Sheng has delivered a 5 MW/20 MWh vanadium flow battery to the Tianqi Hongyuan shared storage station in Weichang, with cabins hoisted into place and piping and cabling work now underway.
Bondada Engineering has received a Letter of Intent from GIPCL to build a 20 MW/120 MWh vanadium redox flow battery at a gas plant complex in Vadodara, Gujarat, described as India's largest grid-scale VRFB.
NTU Singapore and spin-off firm VFT have launched a S$15 million joint laboratory to make vanadium redox flow batteries cheaper, safer and longer-lasting for grid-scale storage.
Energy Dome places its Piacenza expansion inside Italy's storage policy framework: the PNIEC targets, the new MACSE procurement mechanism and Terna's indicated need for 50 GWh of storage by 2030.
Energy Dome has opened a plant in Piacenza, Italy dedicated to key components of its CO₂ Battery, and shipped the first dome built entirely there to NTPC's 20 MW / 160 MWh Kudgi project in India.
The MIT Energy Initiative has named long-duration energy storage one of three focus areas for its Future Energy Systems Center, led by research scientist Ruaridh Macdonald, with an agenda spanning degradation, electrode design and the value storage delivers to grids.
A new Strategic Revenue Insights report projects the vanadium redox flow battery market growing from USD 1.25 billion in 2025 to USD 4.63 billion by 2035 at a 14.0% CAGR, with long-duration storage demand the single largest growth driver.