{
  "schema_version": "1.0",
  "generated_at": "2026-08-04T18:53:39.274759Z",
  "location": {
    "city_id": "ghent",
    "city": "Ghent",
    "country_code": "BE",
    "country": "Belgium",
    "latitude": 51.0543,
    "longitude": 3.7174,
    "timezone": "Europe/Brussels"
  },
  "reference_system": {
    "installedKwp": 10,
    "orientation": "S",
    "tiltDeg": 35,
    "systemLossPct": 14
  },
  "tomorrow_forecast": {
    "cityId": "ghent",
    "name": "Ghent",
    "lat": 51.0543,
    "lon": 3.7174,
    "timezone": "Europe/Brussels",
    "featured": true,
    "targetDate": "2026-08-05",
    "expectedKwh": 33.4,
    "lowKwh": 23.9,
    "highKwh": 40.3,
    "bestWindowStart": "2026-08-05T14:00:00+02:00",
    "bestWindowEnd": "2026-08-05T18:00:00+02:00",
    "confidence": "medium",
    "fetchedAt": "2026-08-04T18:53:39.274759Z",
    "freshness": "fresh",
    "stale": false
  },
  "typical_year": {
    "lat": 51.0543,
    "lon": 3.7174,
    "annualKwh": 10469.82,
    "averageDailyKwh": 28.68,
    "monthly": [
      {
        "month": 1,
        "averageDailyKwh": 12.4,
        "monthlyKwh": 384.54,
        "variabilityKwh": 61.8
      },
      {
        "month": 2,
        "averageDailyKwh": 19.51,
        "monthlyKwh": 546.21,
        "variabilityKwh": 154.8
      },
      {
        "month": 3,
        "averageDailyKwh": 30.05,
        "monthlyKwh": 931.64,
        "variabilityKwh": 176.39
      },
      {
        "month": 4,
        "averageDailyKwh": 40.43,
        "monthlyKwh": 1212.88,
        "variabilityKwh": 174.62
      },
      {
        "month": 5,
        "averageDailyKwh": 41.13,
        "monthlyKwh": 1274.91,
        "variabilityKwh": 156.89
      },
      {
        "month": 6,
        "averageDailyKwh": 41.87,
        "monthlyKwh": 1256.09,
        "variabilityKwh": 155.35
      },
      {
        "month": 7,
        "averageDailyKwh": 39.87,
        "monthlyKwh": 1235.88,
        "variabilityKwh": 150.96
      },
      {
        "month": 8,
        "averageDailyKwh": 37.02,
        "monthlyKwh": 1147.62,
        "variabilityKwh": 126.25
      },
      {
        "month": 9,
        "averageDailyKwh": 33.21,
        "monthlyKwh": 996.17,
        "variabilityKwh": 78.16
      },
      {
        "month": 10,
        "averageDailyKwh": 23.08,
        "monthlyKwh": 715.51,
        "variabilityKwh": 90.63
      },
      {
        "month": 11,
        "averageDailyKwh": 14.54,
        "monthlyKwh": 436.34,
        "variabilityKwh": 78.66
      },
      {
        "month": 12,
        "averageDailyKwh": 10.71,
        "monthlyKwh": 332.03,
        "variabilityKwh": 88.61
      }
    ]
  },
  "comparison": {
    "annual_output_rank_in_country_sample": 5,
    "country_city_count": 8,
    "annual_yield_kwh_per_kwp": 1046.982
  },
  "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/"
}