Tessera Enables Nano-UNet Mapping Solar Farms

Researchers mapped UK solar farms from 2017–2024 using Tessera satellite embeddings and a nano-sized UNet with ~42,000 parameters, training on OpenStreetMap and the UK Renewable Energy Planning Database. Using a 25 km checkerboard spatial split (≈78%/11%/11%), the model reached 0.76 IoU, 0.80 precision and 0.93 recall, producing geojson outputs and region-level animations.
Scoring Rationale
Practical, low-compute mapping approach with strong metrics and clear reproducibility; limited novelty and single-source validation constrain broader impact.
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