SMRTR Science & EngineeringSep 10, 2025Interesting Engineering

Solar trees offer new ‘branch’ of electricity to power cities, save 99% of forests

SMRTR summary

Solar trees might save our forests while powering our cities. A groundbreaking study reveals these vertical structures can match traditional solar farms' output while preserving 99% of forested land.

"Solar energy expansion often comes at the cost of forest destruction, creating fundamental conflicts between renewable energy goals and ecosystem preservation," notes the research published in Scientific Reports.

Standing nearly 16 feet tall with branches holding 35 solar panels, these innovative structures allow sunlight to reach plants below while generating electricity above. The study simulated replacing a conventional South Korean solar plant with these vertical alternatives.

The results? Just 63 high-efficiency solar trees could produce the same 1 megawatt of power as a traditional installation that cleared 98% of forest cover.

By arranging solar trees along boundaries and hiking trails with minimal footprint, nations could meet renewable energy targets without sacrificing crucial ecosystems.

This approach offers promising solutions as countries worldwide struggle to balance green energy expansion with conservation commitments, potentially revolutionizing how we power communities without destroying natural habitats.

SMRTR provides this summary for quick context. The original article belongs to Interesting Engineering.

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