{
  "country": "Spain",
  "aggregation": "Unweighted sampled-city mean; not a national average",
  "cities": [
    {
      "name": "Madrid",
      "fetchedAt": "2026-09-22T10:50:49.741Z",
      "result": {
        "location": {
          "lat": 40.42,
          "lon": -3.7
        },
        "system": {
          "peakPowerKw": 1,
          "lossPercent": 14,
          "optimalTilt": 37,
          "optimalAzimuth": 0,
          "technology": "Crystalline silicon",
          "mounting": "Fixed, free-standing"
        },
        "annual": {
          "productionKwh": 1619.7,
          "productionPerKwp": 1619.7,
          "irradiationKwhM2": 2093
        },
        "monthly": [
          {
            "month": 1,
            "productionKwh": 109.8,
            "irradiationKwhM2": 131.1
          },
          {
            "month": 2,
            "productionKwh": 114.4,
            "irradiationKwhM2": 139.1
          },
          {
            "month": 3,
            "productionKwh": 138.6,
            "irradiationKwhM2": 172.8
          },
          {
            "month": 4,
            "productionKwh": 141.4,
            "irradiationKwhM2": 181.3
          },
          {
            "month": 5,
            "productionKwh": 152,
            "irradiationKwhM2": 199.9
          },
          {
            "month": 6,
            "productionKwh": 152.7,
            "irradiationKwhM2": 206.5
          },
          {
            "month": 7,
            "productionKwh": 167.2,
            "irradiationKwhM2": 230.8
          },
          {
            "month": 8,
            "productionKwh": 164.5,
            "irradiationKwhM2": 225.9
          },
          {
            "month": 9,
            "productionKwh": 146.1,
            "irradiationKwhM2": 194.2
          },
          {
            "month": 10,
            "productionKwh": 127.1,
            "irradiationKwhM2": 162.9
          },
          {
            "month": 11,
            "productionKwh": 102.4,
            "irradiationKwhM2": 124.9
          },
          {
            "month": 12,
            "productionKwh": 103.5,
            "irradiationKwhM2": 124.1
          }
        ],
        "source": "PVGIS",
        "meta": {
          "dataset": "PVGIS-SARAH3",
          "years": "2005–2023",
          "horizon": true,
          "calcVersion": "v1"
        }
      }
    },
    {
      "name": "Barcelona",
      "fetchedAt": "2026-09-22T10:50:50.229Z",
      "result": {
        "location": {
          "lat": 41.39,
          "lon": 2.17
        },
        "system": {
          "peakPowerKw": 1,
          "lossPercent": 14,
          "optimalTilt": 38,
          "optimalAzimuth": 0,
          "technology": "Crystalline silicon",
          "mounting": "Fixed, free-standing"
        },
        "annual": {
          "productionKwh": 1570.4,
          "productionPerKwp": 1570.4,
          "irradiationKwhM2": 1975
        },
        "monthly": [
          {
            "month": 1,
            "productionKwh": 108.2,
            "irradiationKwhM2": 129.1
          },
          {
            "month": 2,
            "productionKwh": 109.7,
            "irradiationKwhM2": 132.4
          },
          {
            "month": 3,
            "productionKwh": 138.5,
            "irradiationKwhM2": 169.7
          },
          {
            "month": 4,
            "productionKwh": 141.3,
            "irradiationKwhM2": 176.4
          },
          {
            "month": 5,
            "productionKwh": 155.3,
            "irradiationKwhM2": 197
          },
          {
            "month": 6,
            "productionKwh": 155.3,
            "irradiationKwhM2": 201.1
          },
          {
            "month": 7,
            "productionKwh": 161.3,
            "irradiationKwhM2": 211.4
          },
          {
            "month": 8,
            "productionKwh": 154.2,
            "irradiationKwhM2": 201.9
          },
          {
            "month": 9,
            "productionKwh": 132.4,
            "irradiationKwhM2": 171.1
          },
          {
            "month": 10,
            "productionKwh": 115.9,
            "irradiationKwhM2": 145.7
          },
          {
            "month": 11,
            "productionKwh": 98.2,
            "irradiationKwhM2": 120.1
          },
          {
            "month": 12,
            "productionKwh": 100.1,
            "irradiationKwhM2": 119.2
          }
        ],
        "source": "PVGIS",
        "meta": {
          "dataset": "PVGIS-SARAH3",
          "years": "2005–2023",
          "horizon": true,
          "calcVersion": "v1"
        }
      }
    }
  ]
}