The US experienced a record number of energy storage installations in the first quarter of 2026, fueled by stable tax policies and increased demand from large load customers, as highlighted in two recent reports.
Tesla has partnered with NatPower to develop 25 gigawatt-hours of battery storage in Italy and Britain, as part of a multiyear agreement valued at up to $5 billion. This deal will involve the deployment of Tesla’s Megapack systems and the use of its trading software for electricity transactions.
rPlus Energies has commenced commercial operations for the Green River Energy Centre, a solar-plus-storage project in Emery County, Utah, with a capacity of 400MW and 1,600MWh.
CATL executives highlighted advancements in sodium-ion technology at the Smarter E Europe event, focusing on improvements in energy density at both the system and cell levels.
REV Renewables and LS Power have successfully commissioned the Tumbleweed Energy Storage facility in Kern County, California, marking the state's first lithium-ion battery energy storage system with an 8-hour duration.
Flower and ENGIE have entered into a 7-year virtual toll agreement for a 126MW battery energy storage system (BESS) in Germany, while Entrix has secured optimisation rights for DRI's 133MW BESS in Poland.
CATL launched a large-scale sodium-ion battery energy storage system (BESS) with a capacity of over 30MWh, which is set to be shipped internationally starting next year.
Researchers in China have developed a new solid-state battery electrolyte that retains more than 84% of its capacity after 350 charge cycles, addressing durability challenges in solid-state batteries.
Budderfly and Viridi are collaborating to install "fail-safe" batteries at commercial facilities, which, along with other energy efficiency measures, can lower energy costs by up to 70%, according to Budderfly CEO Al Subbloie.
As of the second quarter of this year, Europe's installed energy storage capacity has surpassed that of nuclear energy, according to a report by Energy Storage Europe. However, no country in the region has fully realized its potential in energy storage.
Utilities have the necessary flexible loads for electric vehicles (EVs) within their systems, but effective management is hindered by a lack of visibility into these resources.
Colin Koon Peng Ho from Banpu NEXT stated that in the Asia-Pacific region, policy certainty has become more important than cost when making battery storage investment decisions, highlighting issues such as regulatory barriers and supply chain localization. He also discussed the most promising opportunities in battery energy storage systems (BESS).
On June 21, South Australia's SA1 trading region hit the National Electricity Market price cap of AU$20,300/MWh two times, while the battery storage fleet generated AU$324,000.
FlexGen and Eos Energy Enterprises, both US companies in the energy storage sector, have made their first deals as they expand into the European market.
A report from Eurelectric indicates that long-duration energy storage technologies are becoming more feasible for enhancing flexibility in the European electricity network.
Eos Energy has secured its initial purchase order from Frontier Power USA Parent for a project in Texas, as part of a 2GWh capacity reservation agreement.
Partha Sharma, president of BBNR Capital Management, discusses how artificial intelligence, market volatility, and real-options thinking are transforming the economics of battery storage, which he describes as a multi-strategy trading platform supported by hardware.
BLT Energy has obtained development approval for the Red Gully Battery Energy Storage System (BESS), which will have a capacity of 800MW and 4,800MWh, located in Western Australia.
Eku Energy has proposed two battery energy storage systems, each with a capacity of 300MW and 1,200MWh, for evaluation under Australia's Environmental Protection and Biodiversity Conservation Act.
A coalition called the American Battery Leadership Coalition (ABLC) has been formed by several U.S. companies specializing in sodium-ion batteries to compete against China's dominance in the battery market.
Ava Community Energy's SmartHome Battery program in Northern California is providing income-qualified residents with up to $6,000 to install a FranklinWH smart battery and connect it to the utility's virtual power plant.
Stephan Lehrke, the head of Germany at Second Foundation, discusses the company's transition from energy asset trading to becoming an owner-operator of battery energy storage systems (BESS) in Germany.
Two 600MWh energy projects in Bulgaria have been completed by Solarpro with CATL and Sunotec with Sungrow, while an additional 800MWh of capacity development is underway in Romania, Estonia, Lithuania, and Finland.
Fire and Rescue NSW has established a requirement for 240-minute fire resistance for lithium-ion battery storage rooms and diesel generator structures in data centres.
Neoen Australia has finalized virtual battery agreements with Nectr and SmartestEnergy for the second and third stages of the 2.3GWh Western Downs Battery project in Queensland.
Electrify America has launched its largest battery-backed EV charging station in downtown Santa Barbara, California, featuring 20 DC fast chargers and the company's most extensive public battery energy storage system to date.
General Motors and Rivian have recently announced initiatives that highlight the potential for managed, bidirectional electric vehicle charging in the expanding U.S. electric vehicle market, supported by utilities and automakers.
Octopus Energy Generation and ZE Energy are collaborating on a significant battery energy storage system (BESS) project in Italy, while Eco Stor has obtained financing for a similar project in Germany. Additionally, Optimiser Entrix has secured two major contracts in Germany and the Netherlands.
The Solar Energy Corporation of India (SECI) is seeking bids for 4,800 megawatt-hours (MWh) of firm and dispatchable renewable energy capacity, which will be supported by co-located energy storage systems.
In May, approximately 4.9GW/14.6GWh of large-scale Battery Energy Storage Systems (BESS) were deployed globally, marking a 24% increase in activity for 2026 to date, with a more balanced regional distribution compared to previous trends.
Battery storage project developers in Southeast Asia are advised to engage early with regulators, utilities, and communities to ensure successful implementation, drawing on lessons learned from other regions.