Articles written by Kaushik Roy Choudhury

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A RETC employee examines a junction box on the back of a bifacial solar module
Technology & Products
US laboratory finds persistent UV light-induced degradation in solar modules While 19 manufacturers received recognition as high achievers in RETC’s 2026 testing sequences, problems with ultraviolet-induced degradation in solar modules persist, while failing “red flag” scores increased in tests for damp heat and thermal cycling.
Ben Zientara
Jun 08, 2026
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Applications & Installations
Solar leads global additions in 2025 as wind growth accelerates A new report from global energy think tank Ember shows 814 GWdc in new solar and wind capacity was installed in 2025, but the pace of wind deployment rose 47% year-over-year compared to just 11% for solar.
Ben Zientara
Apr 13, 2026
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Applications & Installations
Global BESS capacity tops 250 GW, overtaking pumped hydro for first time Rystad Energy says it expects global battery energy storage system (BESS) additions to exceed 130 GW/350 GWh in 2026, led by Australia, China, the United States, the United Kingdom, and Germany.
Marija Maisch
Feb 05, 2026
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Markets & Policy
Global BESS demand jumps 51% in 2025 as installations top 300 GWh Iola Hughes, Head of Research at Benchmark Mineral Intelligence, says 2026 is set to be another strong year for battery energy storage systems, with forecast additions exceeding 450 GWh and no material supply constraints in sight. Meanwhile, the initial impact of rising lithium prices is already visible at the cell level, but the full effect has yet to ripple through to system pricing.
Marija Maisch
Jan 20, 2026
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Research & Development
AlphaESS launches modular energy storage system for small C&I users Designed for power ratings of 29.9 kW and 50 kW with scalable capacity up to 216,9 kWh, the new system is aimed at businesses seeking flexible energy storage solutions without the complexity of installation.
Marija Maisch
Jan 13, 2026
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Applications & Installations
Trina Storage launches AC-coupled battery for utility-scale applications Offered primarily as a 10 MW unit, the new product is also available in a 5.5 MW version for customers with specific requirements.
Marija Maisch
Dec 02, 2025
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Markets & Policy
Global grid-scale BESS deployment up 38% year-on-year through October Global grid-scale battery energy storage system deployments have hit 156 GWh year-to-date. More than 153 GWh is still slated for commissioning in 2025, though delays and cancellations are likely to trim that total by year-end.
Marija Maisch
Nov 30, 2025
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Markets & Policy
Chinese manufacturers surge ahead in Australia’s battery storage market About 10 GWh of battery energy storage supply deals were announced at or following All Energy, further contributing to the already rapidly growing market share of Chinese manufacturers in Australia.
Marija Maisch
Nov 24, 2025
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Markets & Policy
US orders recall of 10,500 Tesla Powerwall 2 battery systems Tesla says its recall and replacement effort stems from a contained battery-cell defect that has raised safety concerns in both the United States and Australia.
Marija Maisch
Nov 16, 2025
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