Organic flow battery company CMBlu Energy has closed a €50 million (US$58.76 million) Series C financing with participation from Samsung Ventures.

What are the system needs that LDES is going to solve, and what technologies are most appropriate for those applications?

We catch up with James Mills, managing director of UK BESS investor Adaptogen Capital, about UK market dynamics, its expansion into Europe, and BESS capex in 2026 and beyond.

Francesco Oppici, co-founder and CCO of Carbon dioxide-based long-duration energy storage (LDES) company Energy Dome tied the commercialisation path of LDES to data centres.

Update 28 April 2026: Following publication of this story, Hydrostor reached out to clarify some of the conditions detailed below and provided a statement.

How much long-duration energy storage (LDES) does the UK system need, is the government’s cap-and-floor the right way to procure it, and what does the long-term picture look like?

Measures to limit EU exposure to fossil fuel supply chain and energy price shocks are welcome, but many questions remain, clean energy associations have said.

We look at the potential of flow batteries for LDES and compare the leading providers’ offerings and trajectories.

US ‘multi-day’ energy storage startup Noon Energy has announced an agreement with Meta to reserve up to 1GW/100GWh of long-duration energy storage (LDES) capacity.

ESN Premium discusses “long-term value creation” for infrastructure investors, with Daniel Burrows of BESS developer Eku Energy.