{
  "schema_version": "1.0",
  "generated_at": "2026-08-04T18:53:41.483266Z",
  "location": {
    "city_id": "valladolid",
    "city": "Valladolid",
    "country_code": "ES",
    "country": "Spain",
    "latitude": 41.6554,
    "longitude": -4.7235,
    "timezone": "Europe/Madrid"
  },
  "reference_system": {
    "installedKwp": 10,
    "orientation": "S",
    "tiltDeg": 35,
    "systemLossPct": 14
  },
  "tomorrow_forecast": {
    "cityId": "valladolid",
    "name": "Valladolid",
    "lat": 41.6554,
    "lon": -4.7235,
    "timezone": "Europe/Madrid",
    "featured": false,
    "targetDate": "2026-08-05",
    "expectedKwh": 58.3,
    "lowKwh": 50.9,
    "highKwh": 59.6,
    "bestWindowStart": "2026-08-05T13:00:00+02:00",
    "bestWindowEnd": "2026-08-05T17:00:00+02:00",
    "confidence": "high",
    "fetchedAt": "2026-08-04T18:53:41.483266Z",
    "freshness": "fresh",
    "stale": false
  },
  "typical_year": {
    "lat": 41.6554,
    "lon": -4.7235,
    "annualKwh": 15599.3,
    "averageDailyKwh": 42.74,
    "monthly": [
      {
        "month": 1,
        "averageDailyKwh": 27.23,
        "monthlyKwh": 844.23,
        "variabilityKwh": 169.48
      },
      {
        "month": 2,
        "averageDailyKwh": 38.37,
        "monthlyKwh": 1074.41,
        "variabilityKwh": 155.6
      },
      {
        "month": 3,
        "averageDailyKwh": 43.46,
        "monthlyKwh": 1347.11,
        "variabilityKwh": 183.32
      },
      {
        "month": 4,
        "averageDailyKwh": 46.45,
        "monthlyKwh": 1393.47,
        "variabilityKwh": 151.49
      },
      {
        "month": 5,
        "averageDailyKwh": 50.05,
        "monthlyKwh": 1551.58,
        "variabilityKwh": 145.23
      },
      {
        "month": 6,
        "averageDailyKwh": 51.13,
        "monthlyKwh": 1533.86,
        "variabilityKwh": 70.01
      },
      {
        "month": 7,
        "averageDailyKwh": 54.99,
        "monthlyKwh": 1704.78,
        "variabilityKwh": 44.65
      },
      {
        "month": 8,
        "averageDailyKwh": 54.38,
        "monthlyKwh": 1685.69,
        "variabilityKwh": 54.52
      },
      {
        "month": 9,
        "averageDailyKwh": 49.52,
        "monthlyKwh": 1485.52,
        "variabilityKwh": 86.79
      },
      {
        "month": 10,
        "averageDailyKwh": 40.57,
        "monthlyKwh": 1257.56,
        "variabilityKwh": 113.13
      },
      {
        "month": 11,
        "averageDailyKwh": 30.23,
        "monthlyKwh": 906.87,
        "variabilityKwh": 154.19
      },
      {
        "month": 12,
        "averageDailyKwh": 26.27,
        "monthlyKwh": 814.22,
        "variabilityKwh": 90.01
      }
    ]
  },
  "comparison": {
    "annual_output_rank_in_country_sample": 9,
    "country_city_count": 10,
    "annual_yield_kwh_per_kwp": 1559.9299999999998
  },
  "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/"
}