EDP Renewables and Salt River Project completed Flatland Energy Storage, a 200-MW/800-MWh battery system in Arizona. The four-hour duration asset is the largest single battery installation in EDP Group's global portfolio and will supply evening capacity to the Phoenix area.
Cypress Creek Energy has secured $3.5 billion in financing for the first two phases of the Steel River Energy Center in Arkansas, which will include 1.63 GW of solar and 1.9 GWh of battery storage. The project is backed by a virtual power purchase agreement.
General Motors will develop and manufacture sodium-ion battery cells for Peak Energy's grid-scale energy storage systems, with GM retaining exclusive manufacturing rights. The partnership targets utility-scale storage applications rather than electric vehicles.
Portuguese developer Greenvolt Power has inaugurated a 99.8 MW/288.6 MWh battery storage system in northeastern Hungary, the country's largest operational facility. The company is also progressing storage projects in Italy, France, the Netherlands, Belgium, and Spain.
Airengy and Hagag Europe signed a co-development agreement for a compressed-air energy storage plant using underground salt caverns in Romania, targeting 5 GWh capacity with commercial operation expected in early 2028.
RWE Renewables Australia officially opened the 50MW/400MWh Limondale battery energy storage system near Balranald in south-west New South Wales on 11 June 2026. The long-duration BESS is Australia's first of its kind.
Gamuda Renewables has secured an interest in the Hazelwood North solar-plus-storage project in Victoria, Australia, which comprises 450MW of solar capacity and 1,800MWh of storage.
BYD is expanding flash-charging capabilities for electric vehicles while Donut Lab's battery development effort has concluded. The developments mark divergent paths in battery innovation for the EV sector.
Chinese polysilicon producer Daqo New Energy will build a smart energy systems manufacturing base in Kunshan focused on advanced power equipment and storage solutions for AI data center applications.
Panasonic will convert its Kansas EV battery factory to produce batteries for data centre applications, starting Q3 2029.
Mergers and acquisitions in European battery energy storage systems increased materially in the first quarter. Market maturation is prompting repricing of risk in the sector.
The Center for Renewables Integration and Pure Power Engineering released a white paper outlining persistent challenges to bringing distributed energy storage projects online. The report aims to help states overcome obstacles to distributed storage adoption.
Battery energy storage systems can smooth the variable power consumption of AI data centres to prevent grid strain, according to energy storage integrator Wärtsilä.
The Czech Republic will convert a portion of an existing hydropower complex into a pumped storage facility with 154MW capacity and 750MWh of storage. The project will be the country's fourth pumped hydro energy storage plant.
A project is examining whether DC-coupled battery systems can enable more solar deployment in grid-constrained areas by reducing inverter hardware and simplifying design. The approach aims to lower overall storage costs.
Italy's electricity system will require substantial battery storage capacity by 2035, with storage transitioning from a solar supplement to critical grid infrastructure during the 2026-2030 period.
Sungrow and partner Sunotec have commissioned a 150MW/600MWh battery energy storage system in Nova Zagora, Bulgaria.
Elevate Infrastructure and ArcLight Capital Partners announced June 11 that the Prospect Power project in Rockingham County, Virginia is now online. The facility has 150 MW of power capacity and 600 MWh of energy storage.
Entrix is optimizing Germany's first "grey" co-location project, which combines a 5.8 MW PV array with a 6.35 MW battery system that can charge from renewable generation or the grid.
Chile's new long-term electricity procurement rules include time-of-day supply requirements, allowing battery storage to compete during peak demand periods.
Poland's government will not proceed with draft building regulations that would have blocked residential battery installations and imposed strict capacity limits on commercial sites, the energy minister said.
Solid-state batteries are undergoing on-road testing in North America for the first time, with potential benefits including longer vehicle range, faster charging, and reduced costs.
Brazil's government published rules for its inaugural battery storage auction, featuring two procurement rounds and 15-year contracts. The framework sets technical requirements for grid-scale energy storage systems.
South African IPP Mulilo has achieved financial close on a 77 MW/308 MWh battery energy storage system near Johannesburg. The project marks the company's fifth financial close in 2026.
Europe is becoming reliant on overseas suppliers for battery materials and components as storage capacity expands, according to industry officials at the Energy Storage Summit.
SK On is leveraging its established North American manufacturing footprint and new technology to expand its presence in the US battery energy storage system market. The company is pursuing a vertically integrated strategy to compete for market share.
Energy storage developers say industry forecasts significantly underestimate Spain's BESS pipeline, creating potential opportunities for operators with better market intelligence.
DNV independently confirmed that Fluence's battery energy storage systems achieved 98.7% MW-weighted availability across its global fleet.
General Motors activated vehicle-to-grid (V2G) capability for current Chevy Bolt owners without requiring new hardware. GM also announced expanded grid-scale battery storage investments and a universal energy interface called Energy Pass.
Rondo, Antora, Malta Inc, MGA, 1414, EnergyNest, Polar Night, and Brenmiller are among the main developers commercializing large-scale thermal energy storage technologies.
Battery energy storage systems (BESS) are positioned to capture increasing value from Germany's inertia market, though challenges remain in its development.
EDP and SRP completed a 200MW/800MWh battery storage system in Arizona, while Pathway Power closed a $150 million facility targeting SPP and MISO regions. B2U secured a supply deal with Waymo for second-life EV batteries for grid storage.
Expert counterparties and tolling structures are key to reducing uncertainty in Germany's battery energy storage system (BESS) market, particularly given ongoing political volatility.
Chilean President José Antonio Kast Rist attended the inauguration of a 3.5GWh battery energy storage system at Grenergy's Oasis de Atacama solar-plus-storage facility.
Aquila Clean Energy EMEA financed a merchant battery project while Chint Solar sold a 180MWh portfolio to Second Foundation. Twaice will provide analytics services for a 282MWh BayWa r.e. project.
Co-locating solar photovoltaic and battery energy storage systems could address key renewable energy hurdles in Europe, despite technical obstacles.
General Motors partnered with Redwood Materials across battery manufacturing, recycling, and second-life storage—the first automaker to cover all three stages. A 1.5 MW/7.2 MWh storage system built from repurposed GM battery packs will be installed at a Michigan manufacturing plant.
Germany's battery energy storage system market has moved past peak enthusiasm, according to industry observers at the Energy Storage Summit. The sector experienced significant early hype before reaching a more mature phase.
Grid strain from heatwaves and data centers is driving demand for long-duration energy storage systems. Flow battery developers are positioning their technology as a solution to extend storage duration beyond conventional alternatives.
Industry experts say Germany's upcoming capacity market must be structured to allow battery energy storage systems to generate revenue. The design is described as critical for energy security.
Five firms—CIP, Fidra Energy, Elements Green, Gresham House, and Eelpower—transacted on large-scale battery energy storage systems totaling 4.2GWh in recent weeks, marking a rebound in UK BESS market consolidation.
The German battery energy storage sector requires greater clarity in government policy and market mechanisms, particularly around capacity auction rules and grid access charges, to reach its potential.
Rolls-Royce and Fluence won battery energy storage system orders in Latvia and Poland respectively, while CATL partnered with Merus Power for 3GWh of deployments across Northern Europe.