Technology & Products
Solar technology moves fast, as the industry pursues the joint goals of improving efficiency and lowering costs. From tiny tweaks in battery or solar cell materials, to optimizing large-scale system layouts, solar rewards effective innovations with a quick route to market.
As the industry grows, reliability testing becomes more complex and factors like recycling and critical mineral consumption come into the frame as well.
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Scaling sodium storage
Chinese battery integrator HyperStrong has signed a deal with CATL for 60 GWh of sodium-ion battery cells to be supplied over three years. This represents the biggest deal seen yet for the emerging battery technology. pv magazine caught up with HyperStrong Chairman and CEO Jianhui Zhang to discuss the company’s plans for implementation of sodium-ion battery systems.
Jul 21, 2026
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SunEnergyXT launches AC-coupled battery for existing PV systems
SunEnergyXT has launched the SunEnergyXT 500 PRO AC Core, an AC-coupled battery storage system designed for existing PV installations without replacing the inverter. The modular LFP system offers 5 kWh per master unit, scalable to 90 kWh, with smart-home integration, backup power and a 10-year warranty.
A. O. Smith launches CO₂ split heat pump water heater for residential use
A. O. Smith has launched the Voltex X, an outdoor split-system heat pump water heater using CO₂ refrigerant and designed for cold-climate operation down to -31.7 C. The system offers up to 303 L of storage, smart controls, leak and freeze protection, and a 10-year limited warranty.
Tesla files tax incentive application for $10.1 billion Texas solar cell plant
Tesla has submitted plans for a $10.1 billion vertically integrated solar cell manufacturing campus in Fort Bend County under the internal name Project Crystal Sun, seeking property tax limitations under the Texas Jobs, Energy, Technology and Innovation Act.
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Satcon and Horizon Technology Finance enter into USD$12 million debt facility agreement
Satcon Technology Corporation has entered into a USD$12 million subordinated debt facility with Horizon Technology Finance. The company has said it will utilize the proceeds of this transaction to further strengthen its working capital as it plans for continued worldwide growth.
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Germany: Bundestag and Bundesrat remain divided over FITS issue
The mediation committee between the German Bundestag and the Bundesrat for solar promotion – set up to find a compromise regarding the issue of feed-in tariffs (FITs) – failed to reach a consensus after meeting for the first time yesterday.
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