{
  "schema_version": "1.0",
  "generated_at": "2026-08-04T18:53:43.045354Z",
  "location": {
    "city_id": "debrecen",
    "city": "Debrecen",
    "country_code": "HU",
    "country": "Hungary",
    "latitude": 47.5316,
    "longitude": 21.6273,
    "timezone": "Europe/Budapest"
  },
  "reference_system": {
    "installedKwp": 10,
    "orientation": "S",
    "tiltDeg": 35,
    "systemLossPct": 14
  },
  "tomorrow_forecast": {
    "cityId": "debrecen",
    "name": "Debrecen",
    "lat": 47.5316,
    "lon": 21.6273,
    "timezone": "Europe/Budapest",
    "featured": true,
    "targetDate": "2026-08-05",
    "expectedKwh": 53.1,
    "lowKwh": 46.7,
    "highKwh": 55.1,
    "bestWindowStart": "2026-08-05T11:00:00+02:00",
    "bestWindowEnd": "2026-08-05T15:00:00+02:00",
    "confidence": "high",
    "fetchedAt": "2026-08-04T18:53:43.045354Z",
    "freshness": "fresh",
    "stale": false
  },
  "typical_year": {
    "lat": 47.5316,
    "lon": 21.6273,
    "annualKwh": 12207.7,
    "averageDailyKwh": 33.45,
    "monthly": [
      {
        "month": 1,
        "averageDailyKwh": 15.16,
        "monthlyKwh": 469.88,
        "variabilityKwh": 89.88
      },
      {
        "month": 2,
        "averageDailyKwh": 22.65,
        "monthlyKwh": 634.32,
        "variabilityKwh": 146.86
      },
      {
        "month": 3,
        "averageDailyKwh": 35.77,
        "monthlyKwh": 1108.84,
        "variabilityKwh": 220.22
      },
      {
        "month": 4,
        "averageDailyKwh": 41.92,
        "monthlyKwh": 1257.51,
        "variabilityKwh": 179.37
      },
      {
        "month": 5,
        "averageDailyKwh": 43.49,
        "monthlyKwh": 1348.11,
        "variabilityKwh": 146.8
      },
      {
        "month": 6,
        "averageDailyKwh": 46.09,
        "monthlyKwh": 1382.72,
        "variabilityKwh": 120.13
      },
      {
        "month": 7,
        "averageDailyKwh": 47.07,
        "monthlyKwh": 1459.03,
        "variabilityKwh": 107.16
      },
      {
        "month": 8,
        "averageDailyKwh": 45.97,
        "monthlyKwh": 1425.06,
        "variabilityKwh": 140.37
      },
      {
        "month": 9,
        "averageDailyKwh": 38.83,
        "monthlyKwh": 1164.94,
        "variabilityKwh": 137.57
      },
      {
        "month": 10,
        "averageDailyKwh": 30.99,
        "monthlyKwh": 960.61,
        "variabilityKwh": 154.84
      },
      {
        "month": 11,
        "averageDailyKwh": 19.89,
        "monthlyKwh": 596.55,
        "variabilityKwh": 117.15
      },
      {
        "month": 12,
        "averageDailyKwh": 12.91,
        "monthlyKwh": 400.13,
        "variabilityKwh": 83.04
      }
    ]
  },
  "comparison": {
    "annual_output_rank_in_country_sample": 4,
    "country_city_count": 5,
    "annual_yield_kwh_per_kwp": 1220.77
  },
  "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/"
}