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The silicon ceiling: Why solar efficiency has plateaued and what comes next

The silicon ceiling: Why solar efficiency has plateaued and what comes next

by claudio.marinelli@cambridgephoton.com | Sep 15, 2025 | General News

The solar industry stands at an inflection point. Although the cost of solar installations has plummeted over the last few years, efficiency gains have slowed down as the industry rapidly approaches the 28% maximum efficiency achievable in commercial silicon solar...

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