Edinburgh

SolarSub raises £1.34 million September 25 2026 — Edinburgh startup passive cooling technology for solar panels backed by Sustainable Ventures Zinc VC Scottish Enterprise and British Business Bank

SolarSub Raises £1.34 Million. The Edinburgh Startup Solving the Heat Problem That Is Quietly Costing the Solar Industry Billions.

SolarSub raised £1.34 million on September 25 2026 led by Sustainable Ventures. The Edinburgh University spinout founded in 2023 develops passive cooling technology for solar panels with no pumps or moving parts. Trials recorded 17.5 percent energy uplift at the University of
September 27, 2026

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