{
  "schema_version": "1.0",
  "generated_at": "2026-08-04T18:53:47.813764Z",
  "country_code": "LU",
  "country": "Luxembourg",
  "reference_system": {
    "installedKwp": 10,
    "orientation": "S",
    "tiltDeg": 35,
    "systemLossPct": 14
  },
  "city_count": 3,
  "summary": {
    "tomorrow_average_kwh": 48.46666666666667,
    "tomorrow_min_kwh": 46.8,
    "tomorrow_max_kwh": 49.6,
    "typical_annual_average_kwh": 10823.460000000001,
    "typical_annual_min_kwh": 10659.69,
    "typical_annual_max_kwh": 10961.95
  },
  "cities": [
    {
      "city_id": "dudelange",
      "city": "Dudelange",
      "latitude": 49.48,
      "longitude": 6.0875,
      "forecast": {
        "cityId": "dudelange",
        "name": "Dudelange",
        "lat": 49.48,
        "lon": 6.0875,
        "timezone": "Europe/Luxembourg",
        "featured": true,
        "targetDate": "2026-08-05",
        "expectedKwh": 46.8,
        "lowKwh": 35.2,
        "highKwh": 54.6,
        "bestWindowStart": "2026-08-05T10:00:00+02:00",
        "bestWindowEnd": "2026-08-05T14:00:00+02:00",
        "confidence": "medium",
        "fetchedAt": "2026-08-04T18:53:44.095408Z",
        "freshness": "fresh",
        "stale": false
      },
      "typical_annual_kwh": 10961.95,
      "typical_monthly": [
        {
          "month": 1,
          "averageDailyKwh": 11.75,
          "monthlyKwh": 364.16,
          "variabilityKwh": 75.71
        },
        {
          "month": 2,
          "averageDailyKwh": 20.31,
          "monthlyKwh": 568.61,
          "variabilityKwh": 145.61
        },
        {
          "month": 3,
          "averageDailyKwh": 31.82,
          "monthlyKwh": 986.27,
          "variabilityKwh": 176.04
        },
        {
          "month": 4,
          "averageDailyKwh": 42.13,
          "monthlyKwh": 1263.99,
          "variabilityKwh": 198.32
        },
        {
          "month": 5,
          "averageDailyKwh": 42.46,
          "monthlyKwh": 1316.13,
          "variabilityKwh": 189.13
        },
        {
          "month": 6,
          "averageDailyKwh": 44.68,
          "monthlyKwh": 1340.25,
          "variabilityKwh": 153.26
        },
        {
          "month": 7,
          "averageDailyKwh": 43.79,
          "monthlyKwh": 1357.62,
          "variabilityKwh": 155.67
        },
        {
          "month": 8,
          "averageDailyKwh": 39.65,
          "monthlyKwh": 1229.12,
          "variabilityKwh": 128.66
        },
        {
          "month": 9,
          "averageDailyKwh": 36.79,
          "monthlyKwh": 1103.8,
          "variabilityKwh": 91.73
        },
        {
          "month": 10,
          "averageDailyKwh": 23.4,
          "monthlyKwh": 725.43,
          "variabilityKwh": 116.3
        },
        {
          "month": 11,
          "averageDailyKwh": 13.17,
          "monthlyKwh": 395.22,
          "variabilityKwh": 78.43
        },
        {
          "month": 12,
          "averageDailyKwh": 10.04,
          "monthlyKwh": 311.35,
          "variabilityKwh": 78.37
        }
      ]
    },
    {
      "city_id": "esch-sur-alzette",
      "city": "Esch-sur-Alzette",
      "latitude": 49.4958,
      "longitude": 5.9806,
      "forecast": {
        "cityId": "esch-sur-alzette",
        "name": "Esch-sur-Alzette",
        "lat": 49.4958,
        "lon": 5.9806,
        "timezone": "Europe/Luxembourg",
        "featured": true,
        "targetDate": "2026-08-05",
        "expectedKwh": 49.6,
        "lowKwh": 40.9,
        "highKwh": 55.2,
        "bestWindowStart": "2026-08-05T11:00:00+02:00",
        "bestWindowEnd": "2026-08-05T15:00:00+02:00",
        "confidence": "high",
        "fetchedAt": "2026-08-04T18:53:44.036529Z",
        "freshness": "fresh",
        "stale": false
      },
      "typical_annual_kwh": 10848.74,
      "typical_monthly": [
        {
          "month": 1,
          "averageDailyKwh": 11.38,
          "monthlyKwh": 352.74,
          "variabilityKwh": 80.44
        },
        {
          "month": 2,
          "averageDailyKwh": 19.93,
          "monthlyKwh": 558.07,
          "variabilityKwh": 148.08
        },
        {
          "month": 3,
          "averageDailyKwh": 31.33,
          "monthlyKwh": 971.16,
          "variabilityKwh": 182.51
        },
        {
          "month": 4,
          "averageDailyKwh": 41.59,
          "monthlyKwh": 1247.77,
          "variabilityKwh": 204.07
        },
        {
          "month": 5,
          "averageDailyKwh": 41.96,
          "monthlyKwh": 1300.78,
          "variabilityKwh": 193.66
        },
        {
          "month": 6,
          "averageDailyKwh": 44.32,
          "monthlyKwh": 1329.45,
          "variabilityKwh": 155.05
        },
        {
          "month": 7,
          "averageDailyKwh": 43.27,
          "monthlyKwh": 1341.38,
          "variabilityKwh": 167.16
        },
        {
          "month": 8,
          "averageDailyKwh": 39.16,
          "monthlyKwh": 1213.93,
          "variabilityKwh": 130.86
        },
        {
          "month": 9,
          "averageDailyKwh": 36.51,
          "monthlyKwh": 1095.26,
          "variabilityKwh": 94.35
        },
        {
          "month": 10,
          "averageDailyKwh": 23.16,
          "monthlyKwh": 718.01,
          "variabilityKwh": 121.85
        },
        {
          "month": 11,
          "averageDailyKwh": 13.13,
          "monthlyKwh": 394,
          "variabilityKwh": 84.2
        },
        {
          "month": 12,
          "averageDailyKwh": 10.52,
          "monthlyKwh": 326.19,
          "variabilityKwh": 78.8
        }
      ]
    },
    {
      "city_id": "luxembourg-city",
      "city": "Luxembourg City",
      "latitude": 49.6116,
      "longitude": 6.1319,
      "forecast": {
        "cityId": "luxembourg-city",
        "name": "Luxembourg City",
        "lat": 49.6116,
        "lon": 6.1319,
        "timezone": "Europe/Luxembourg",
        "featured": true,
        "targetDate": "2026-08-05",
        "expectedKwh": 49,
        "lowKwh": 38.9,
        "highKwh": 55.7,
        "bestWindowStart": "2026-08-05T12:00:00+02:00",
        "bestWindowEnd": "2026-08-05T16:00:00+02:00",
        "confidence": "medium",
        "fetchedAt": "2026-08-04T18:53:44.066335Z",
        "freshness": "fresh",
        "stale": false
      },
      "typical_annual_kwh": 10659.69,
      "typical_monthly": [
        {
          "month": 1,
          "averageDailyKwh": 11.36,
          "monthlyKwh": 352.26,
          "variabilityKwh": 74.98
        },
        {
          "month": 2,
          "averageDailyKwh": 19.69,
          "monthlyKwh": 551.42,
          "variabilityKwh": 155.26
        },
        {
          "month": 3,
          "averageDailyKwh": 30.9,
          "monthlyKwh": 958.02,
          "variabilityKwh": 183.42
        },
        {
          "month": 4,
          "averageDailyKwh": 40.81,
          "monthlyKwh": 1224.4,
          "variabilityKwh": 194.08
        },
        {
          "month": 5,
          "averageDailyKwh": 41.59,
          "monthlyKwh": 1289.33,
          "variabilityKwh": 201.31
        },
        {
          "month": 6,
          "averageDailyKwh": 43.45,
          "monthlyKwh": 1303.6,
          "variabilityKwh": 160.51
        },
        {
          "month": 7,
          "averageDailyKwh": 42.74,
          "monthlyKwh": 1324.8,
          "variabilityKwh": 151.09
        },
        {
          "month": 8,
          "averageDailyKwh": 38.59,
          "monthlyKwh": 1196.25,
          "variabilityKwh": 123.89
        },
        {
          "month": 9,
          "averageDailyKwh": 35.6,
          "monthlyKwh": 1068.09,
          "variabilityKwh": 90.45
        },
        {
          "month": 10,
          "averageDailyKwh": 22.85,
          "monthlyKwh": 708.33,
          "variabilityKwh": 126.54
        },
        {
          "month": 11,
          "averageDailyKwh": 12.45,
          "monthlyKwh": 373.46,
          "variabilityKwh": 89.4
        },
        {
          "month": 12,
          "averageDailyKwh": 9.99,
          "monthlyKwh": 309.74,
          "variabilityKwh": 82.95
        }
      ]
    }
  ],
  "sources": {
    "tomorrow": {
      "weather": {
        "source_id": "OPEN_METEO",
        "name": "Open-Meteo weather forecast",
        "public_display_allowed": true,
        "requires_commercial_license": true,
        "terms_url": "https://open-meteo.com/en/terms",
        "pricing_url": "https://open-meteo.com/en/pricing"
      },
      "model": {
        "source_id": "GRIDPASSPORT_PV_PUBLIC_V1",
        "name": "GridPassport public PV forecast model",
        "description": "Weather-based physical PV estimate with public-safe inputs."
      },
      "attribution": {
        "text": "Weather forecast by Open-Meteo, PV estimate by GridPassport.",
        "transformation_notes": "GridPassport projects irradiance onto the configured PV array and applies public lead-magnet loss assumptions."
      }
    },
    "typical_year": {
      "name": "European Commission Joint Research Centre PVGIS 5.3",
      "url": "https://joint-research-centre.ec.europa.eu/photovoltaic-geographical-information-system-pvgis_en",
      "api": "https://re.jrc.ec.europa.eu/api/v5_3/PVcalc",
      "method": "Monthly average fixed-system output calculated from a multi-year solar radiation and climate series."
    }
  },
  "methodology_url": "https://gridpassport.com/solar-forecast/methodology/"
}