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    open-energy-transition/earthpv
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        • Pakistan
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      • Quality levels
    • Contribute Data
      • Build an atlas on your PC
      • Map with iD
      • Map with JOSM
      • Map the leads with JOSM
      • Judge large installations
      • Draw your own area
      • Report and verify
      • Follow area activity
      • Register an area (maintainers)
      • How it works
      • Keeping PV data current
      • Detection model
      • Segmentation & the building map
      • Rooftop classifier (roofclf)
      • How roofclf sees panels
      • Farm ground PV (groundclf)
      • Solar thermal power plants
      • PVscope
      • Calibration
      • Validation against MaStR
      • Validation against the French register
      • Calibration quadrats overview
      • Quadrat protocol
      • Roofclf random-cell validation
      • Solar glint
      • Glint image gallery
      • Validity and limitations
      • Pretrained model
      • Tutorial
      • Setup New Country
      • Country data registry
      • Experiments: what was tried, and what it cost
      • Calibration boxes log
      • Quadrats as training data
      • Roofclf national deployment
      • Roofclf cell-edge false positives
      • Quadrat-supervised fraction retrain
      • Fraction-head hard-negative retrain
      • SPPI spectral index
      • Boom-window stacking
      • Standard pose matched filter
      • Glint spike-rate estimator
      • Glint PSF and matched filtering
      • Glint tile-batched coverage
      • Glint-validated training labels
      • Epoch jump as recall signal
      • Calibration imagery dating
      • Small ground-mount instrument
      • Calibration density mismatch
    • Blog
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        • August 2026
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    Portugal

    Countries Silver Pakistan Bronze Germany France Belgium Denmark Egypt India Italy Luxembourg Morocco Namibia Netherlands Nigeria Poland Portugal South Africa Spain Texas Turkey Vietnam Yemen Zambia What the levels mean

    This Bronze atlas is not yet calibrated or verified. It counts only mapped installations and arrays of about 400 m² and up, so every figure is a floor.

    Contribute data: map a calibration area →

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