We hear about the progress made and challenges ahead at the policy level from Jacopo Tosoni of the trade association Energy Storage Europe.

Iron flow battery company ESS Tech Inc highlighted its recent partnership with Google and the acquisition of VoltStorage GmbH, as profitability remained out of reach in 2025.

Recently, utility Xcel Energy announced it would install 30GWh of US startup Form Energy’s iron-air batteries at a data centre in Pine Island, Minnesota, owned by tech giant Google.

Global long-duration energy storage (LDES) deployment figures soared in 2025, but newer technologies risk being outcompeted by the incumbent, lithium-ion (Li-ion).

Inverter and BESS firm Sungrow and BESS owner-operator Delta Capacity signed a 1GWh framework supply agreement for European projects at the Energy Storage Summit 2026 in London last week.

We heard from Danske Commodities’ principal originator Rimshah Javed at the Energy Storage Summit 2026, to discuss trends in BESS offtake, optimisation, FCAs in Germany and the Danish market. The latter has taken off in the past year.

The NSW government has endorsed 16 projects worth a collective AU$34.4 billion through its newly established Investment Delivery Authority.

Allianz GI, Luxcara and Return have acquired BESS projects and portfolios in Germany, Finland and Spain; Low Carbon, OX2, Cero Generation and Revera have taken FIDs on projects in Poland, Finland and the UK; and NHOA Energy has received a 600MWh order in Italy. All in all, the projects total at least 3.7GWh of capacity.

Speaking to ESN Premium, Tom Best and Rachel Rundle of Eku Energy explore some of the key policies and drivers of Australia’s ESS market.