US battery energy storage system (BESS) developer-operator Jupiter Power has closed a US$500 million senior secured green revolving loan and letter of credit facility to support the advancement of its project pipeline across the US.

Redwood Energy announced the final closing of its Series E financing round, bringing the total raise to US$425 million.

By the end of December 2025, China’s cumulative installed capacity of new energy storage technologies including lithium-ion reached 144.7GW, representing an 85% year-on-year rise.

Battery energy storage projects have emerged as the dominant force in Australia's energy investment landscape, accounting for 46% of the nation's 64GW development pipeline, according to the Australian Energy Market Operator's (AEMO) latest quarterly report.

“We see energy storage as an opportunity for (data centres) to reduce their impact on the grid”, said Patrick Hughes, Senior VP of Operations and Strategy at NEMA.

Long-duration energy storage (LDES) developer-operator Hydrostor has announced a strategic technology and equity agreement with energy infrastructure equipment manufacturer Baker Hughes.

Lithium-ion companies have come out as the top-rated suppliers on a new long-duration energy storage (LDES) leaderboard, while CO2 Battery company Energy Dome is the highest non-lithium company.

Power firm RWE is about to start building a 400MW/800MWh BESS project in Germany, among the largest in the country to reach the construction stage. In related news, Kyon Energy has connected a 282MWh project to the grid, possibly the largest in the country to reach that milestone.

PV inverter and BESS firm Sungrow has launched its PowerTitan 3.0 battery energy storage model for the European market.

European Union countries deployed record-breaking battery storage capacity for the 12th consecutive year in 2025.

Leading BESS owner-operators across Europe discuss the key trends around the financing and deployment of grid-scale projects, with the segment now the driver of continent-wide deployments according to trade body SolarPower Europe.

US sodium-ion (Na-ion) battery technology company Unigrid has begun international shipments of its proprietary sodium cobalt oxide (NCO) cathode cells at commercial volume.

Utility company Avista has selected projects as part of its request for proposal (RFP) process to identify new resources, including a 100MW battery energy storage system (BESS), for the Pacific Northwest, US.

ERCOT’s battery storage fleet can play a crucial role during extreme winter conditions, but its own technical performance needs to be carefully managed.

Bigger, longer-duration projects and more sophisticated deal structuring are driving the energy storage industry forward, but a lack of common approaches from transmission system operators (TSOs) remains a challenge.

Ahead of the Energy Storage Summit Australia 2026 in March, we take a look at some of the key debates set to take centre stage at the event.  

South Australia’s battery storage fleet entered a 4-hour AU$1,000/MWh (US$700/MWh) price event at around 90% state of charge during the Australia Day heatwave.

Three energy storage projects have reached key milestones, including pumped hydro, thermal storage, and geothermal alternatives to battery energy storage systems (BESS).

Ed Gunn, VP of revenue at home battery storage and virtual power plant (VPP) specialist Lunar Energy, on the market’s recent past and future potential.

Lenders requirements for contracted revenues for BESS projects in the UK appears to have softened, an executive at investment firm Triple Point said.