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Japanese utility uses Sharp PV-linked home batteries for grid balancing
Japanese utility Tohoku Electric Power is using Sharp’s residential batteries and AI-powered energy management systems to balance grid demand and optimize household solar energy use. Customers in the program can earn points redeemable for local products.
Nov 04, 2025
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Software-defined power: FlexGen’s HybridOS turns batteries into grid thinkers
FlexGen says the future of energy storage isn’t necessarily in bigger batteries but in smarter ones, and has now brought solar power into its software. Its Linux-based HybridOS platform coordinates batteries, inverters, and solar systems to think and act like living parts of the grid.
Operational issues hit returns in one in five battery storage projects, report finds
A recent report from battery intelligence firm Accure reveals that while most battery energy storage systems (BESS) operate reliably, nearly 19% of projects experience reduced returns due to technical issues and unplanned downtime.
Making BESS warranties work: Contracts vs. reality
Striking a careful balance between technical limitations, market ambitions, and contractual realism in operating battery energy storage systems (BESS) is no easy task. Rigid battery warranties can often be a make-or-break factor in BESS assest management. As a result, many industry players now argue that adopting a more flexible approach to warranties could unlock greater value from these inherently flexible assets.
Volytica on maximizing battery value with advanced diagnostics
Using cloud-based software, the young company analyzes batteries during operation in large-scale stationary storage systems and electric vehicles. The platform diagnoses battery aging, whether cells are performing unevenly, and whether there are risks of failure or even fire.
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SolarLeaf ‘panel-level storage’ can be rolled out on commercial rooftops even easier
Energy Toolbase's energy management system and monitoring software has been configured for use with Yotta Energy's SolarLeaf product, which provides solar energy storage without increasing the footprint of a solar array.
Fraunhofer IEE develops simulation tools for hybrid storage systems design
The researchers have created a degradation model that experts can use to determine battery aging in hybrid systems made up of lithium-ion batteries and supercapacitors. This makes it possible to determine whether it makes sense to combine the two technologies in individual cases. The tools should also help with the design of a hybrid system.
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Volytica, Sinovoltaics launch new analysis service for 100% battery pack review at factory
The newly launched BESSential analysis goes deeper than traditional Factory Acceptance Testing (FAT), which is performed at the container level. The service evaluates each battery energy storage system pack down to the cell level and detects and corrects thermal, electrical, and capacity imbalance issues. The analysis is performed directly at the factory, reducing the risk of post-deployment setbacks.
Overall BESS quality has massively improved, but safety incidents make headlines
Any discussion about the quality of battery energy storage system (BESS) projects must consider safety. This was something that all three of the panelists who participated in pv magazine’s Focus event at The Smarter E in Munich last week agreed upon.
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