{
  "country": "Finland",
  "city": "Helsinki",
  "fetchedAt": "2026-09-22T10:51:00.474Z",
  "result": {
    "location": {
      "lat": 60.17,
      "lon": 24.94
    },
    "system": {
      "peakPowerKw": 1,
      "lossPercent": 14,
      "optimalTilt": 44,
      "optimalAzimuth": 0,
      "technology": "Crystalline silicon",
      "mounting": "Fixed, free-standing"
    },
    "annual": {
      "productionKwh": 974.2,
      "productionPerKwp": 974.2,
      "irradiationKwhM2": 1219
    },
    "monthly": [
      {
        "month": 1,
        "productionKwh": 15.7,
        "irradiationKwhM2": 18.6
      },
      {
        "month": 2,
        "productionKwh": 34.7,
        "irradiationKwhM2": 40.4
      },
      {
        "month": 3,
        "productionKwh": 89.3,
        "irradiationKwhM2": 105
      },
      {
        "month": 4,
        "productionKwh": 118.6,
        "irradiationKwhM2": 144
      },
      {
        "month": 5,
        "productionKwh": 146.8,
        "irradiationKwhM2": 184.4
      },
      {
        "month": 6,
        "productionKwh": 143.4,
        "irradiationKwhM2": 184.3
      },
      {
        "month": 7,
        "productionKwh": 145.2,
        "irradiationKwhM2": 188.4
      },
      {
        "month": 8,
        "productionKwh": 121.3,
        "irradiationKwhM2": 156
      },
      {
        "month": 9,
        "productionKwh": 83.8,
        "irradiationKwhM2": 105.1
      },
      {
        "month": 10,
        "productionKwh": 48,
        "irradiationKwhM2": 58.9
      },
      {
        "month": 11,
        "productionKwh": 16.4,
        "irradiationKwhM2": 20.3
      },
      {
        "month": 12,
        "productionKwh": 11.1,
        "irradiationKwhM2": 13.4
      }
    ],
    "source": "PVGIS",
    "meta": {
      "dataset": "PVGIS-SARAH3",
      "years": "2005–2023",
      "horizon": true,
      "calcVersion": "v1"
    }
  }
}