When heat becomes a stress test: What extreme temperatures mean for photovoltaic systems and battery storage
Photovoltaics rely on sunlight. Battery storage systems rely on absorbing and releasing energy precisely when the power grid needs it. Both sound like an ideal combination for hot summer days: plenty of sunshine, high generation, increased electricity demand due to cooling, and greater grid flexibility. In practice, it's more complex.
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US could surpass 100 GW of annual inverter and PCS manufacturing capacity by 2027
BESS in their current form make use of inverters within the power conversion systems, and Chinese supplier accounted for nearly 50% of the market. The FCC's new laws make future products look uncertain, unless made in the USA.
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Battery diagnostics expert urges earlier fire detection for grid-scale BESS
A battery diagnostics specialist says grid-scale battery energy storage system (BESS) safety should focus more on detecting early warning signs in operational data than adding more sensors or fire suppression equipment after high-profile incidents.
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Enervis Battery Storage Index – German BESS revenues stay high in June
German battery storage revenues held at a high level in June, rising to around €18,000 ($20,500)/MW as strong solar output and heatwave-driven price spikes boosted spot and ancillary market earnings, according to enervis energy advisors' monthly Battery Storage Index.
India’s battery recycling industry must move beyond black mass
India is expanding battery recycling capacity, but most recyclers stop at producing black mass, leaving higher-value refining and critical mineral recovery largely to overseas processors, says Manikumar Uppala, chief of industrial engineering at Metastable Materials.
Heatwave, weak wind push battery revenues higher in June
June brought another month of scarce but favorable market conditions for battery trading, as high temperatures, weak wind generation and a prolonged heatwave continued to shape electricity markets and influence price dynamics across wholesale and ancillary service markets. Lennard Wilkening, CEO of Suena Energy, explains what drove the market and why dynamic multi-market optimization remains key to capturing value.
India’s battery storage market faces volatility, seeks new growth
India’s severe heatwaves in April and May, followed by a delayed southwest monsoon, have highlighted the growing challenge of balancing one of the world’s fastest-growing renewable power systems. As solar capacity continues to expand and grid constraints become more apparent, India’s battery energy storage sector is at a pivotal stage.
A different kind of volatility: Battery revenues remain strong in May 2026
April was defined by solar-driven oversupply and recurring negative prices. May told a different story. Wind generation dropped sharply, wholesale prices climbed, and ancillary services gained importance as the system searched for flexibility. Yet battery revenues barely moved. Lennard Wilkening, CEO of suena energy, explains why this is another reminder that successful battery trading depends less on any single market regime than on the ability to adapt across them.
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KSTAR Presents Comprehensive Energy Solutions at 11th Solar Africa 2026
KSTAR participated in 11th Solar Africa 2026, one of East Africa's leading renewable energy exhibitions, showcasing a comprehensive portfolio of residential, C&I, and solar solutions designed to address the region's evolving energy needs.
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Scandium doping, coating improve cycling stability of sodium-ion battery cathodes
Researchers have compared bulk scandium doping and surface scandium coating in O3-Na[Ni₁/₂Mn₁/₂]O₂ cathodes for sodium-ion batteries. Both approaches improved cycling stability, with the coated full cell retaining 91.2% of its initial capacity after 300 cycles, while structural analyses revealed distinct bulk- and surface-stabilization mechanisms.
Advanced sodium-ion battery prototypes now approaching 200 Wh/kg
An international team of scientists has reviewed recent advances in sodium-ion battery components, highlighting their potential as a lower-cost, more sustainable alternative to lithium-ion batteries. The researchers identify key challenges including lower energy density, shorter cycle life and manufacturing constraints, while pointing to advances in materials and electrolytes as important to future commercialization.
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