{
  "country": "Portugal",
  "city": "Porto",
  "fetchedAt": "2026-09-22T10:50:54.895Z",
  "result": {
    "location": {
      "lat": 41.16,
      "lon": -8.63
    },
    "system": {
      "peakPowerKw": 1,
      "lossPercent": 14,
      "optimalTilt": 36,
      "optimalAzimuth": 0,
      "technology": "Crystalline silicon",
      "mounting": "Fixed, free-standing"
    },
    "annual": {
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      "productionPerKwp": 1507.2,
      "irradiationKwhM2": 1912
    },
    "monthly": [
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        "month": 1,
        "productionKwh": 90.8,
        "irradiationKwhM2": 108.5
      },
      {
        "month": 2,
        "productionKwh": 103.6,
        "irradiationKwhM2": 126
      },
      {
        "month": 3,
        "productionKwh": 125.6,
        "irradiationKwhM2": 155.7
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      {
        "month": 4,
        "productionKwh": 137.5,
        "irradiationKwhM2": 174.6
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      {
        "month": 5,
        "productionKwh": 152.3,
        "irradiationKwhM2": 196.3
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      {
        "month": 6,
        "productionKwh": 148.2,
        "irradiationKwhM2": 192.9
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      {
        "month": 7,
        "productionKwh": 162,
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      },
      {
        "month": 8,
        "productionKwh": 158.8,
        "irradiationKwhM2": 209.4
      },
      {
        "month": 9,
        "productionKwh": 142.4,
        "irradiationKwhM2": 185.2
      },
      {
        "month": 10,
        "productionKwh": 113.3,
        "irradiationKwhM2": 143.2
      },
      {
        "month": 11,
        "productionKwh": 87.7,
        "irradiationKwhM2": 107
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      {
        "month": 12,
        "productionKwh": 84.9,
        "irradiationKwhM2": 101.6
      }
    ],
    "source": "PVGIS",
    "meta": {
      "dataset": "PVGIS-SARAH3",
      "years": "2005–2023",
      "horizon": true,
      "calcVersion": "v1"
    }
  }
}