{
  "schema_version": "1.0",
  "generated_at": "2026-08-04T18:53:43.630022Z",
  "location": {
    "city_id": "bari",
    "city": "Bari",
    "country_code": "IT",
    "country": "Italy",
    "latitude": 41.1207,
    "longitude": 16.8698,
    "timezone": "Europe/Rome"
  },
  "reference_system": {
    "installedKwp": 10,
    "orientation": "S",
    "tiltDeg": 35,
    "systemLossPct": 14
  },
  "tomorrow_forecast": {
    "cityId": "bari",
    "name": "Bari",
    "lat": 41.1207,
    "lon": 16.8698,
    "timezone": "Europe/Rome",
    "featured": false,
    "targetDate": "2026-08-05",
    "expectedKwh": 51.8,
    "lowKwh": 41.9,
    "highKwh": 57.7,
    "bestWindowStart": "2026-08-05T11:00:00+02:00",
    "bestWindowEnd": "2026-08-05T15:00:00+02:00",
    "confidence": "medium",
    "fetchedAt": "2026-08-04T18:53:43.630022Z",
    "freshness": "fresh",
    "stale": false
  },
  "typical_year": {
    "lat": 41.1207,
    "lon": 16.8698,
    "annualKwh": 14831.17,
    "averageDailyKwh": 40.63,
    "monthly": [
      {
        "month": 1,
        "averageDailyKwh": 27.07,
        "monthlyKwh": 839.18,
        "variabilityKwh": 150.09
      },
      {
        "month": 2,
        "averageDailyKwh": 32.86,
        "monthlyKwh": 919.99,
        "variabilityKwh": 130.34
      },
      {
        "month": 3,
        "averageDailyKwh": 40.5,
        "monthlyKwh": 1255.62,
        "variabilityKwh": 141.96
      },
      {
        "month": 4,
        "averageDailyKwh": 45.63,
        "monthlyKwh": 1368.76,
        "variabilityKwh": 109.55
      },
      {
        "month": 5,
        "averageDailyKwh": 48.25,
        "monthlyKwh": 1495.74,
        "variabilityKwh": 126.75
      },
      {
        "month": 6,
        "averageDailyKwh": 51.19,
        "monthlyKwh": 1535.72,
        "variabilityKwh": 69.77
      },
      {
        "month": 7,
        "averageDailyKwh": 53.86,
        "monthlyKwh": 1669.73,
        "variabilityKwh": 52.73
      },
      {
        "month": 8,
        "averageDailyKwh": 51.88,
        "monthlyKwh": 1608.16,
        "variabilityKwh": 75.38
      },
      {
        "month": 9,
        "averageDailyKwh": 45.11,
        "monthlyKwh": 1353.27,
        "variabilityKwh": 64.26
      },
      {
        "month": 10,
        "averageDailyKwh": 37.38,
        "monthlyKwh": 1158.67,
        "variabilityKwh": 136.53
      },
      {
        "month": 11,
        "averageDailyKwh": 28.02,
        "monthlyKwh": 840.52,
        "variabilityKwh": 106.55
      },
      {
        "month": 12,
        "averageDailyKwh": 25.35,
        "monthlyKwh": 785.81,
        "variabilityKwh": 106.03
      }
    ]
  },
  "comparison": {
    "annual_output_rank_in_country_sample": 5,
    "country_city_count": 10,
    "annual_yield_kwh_per_kwp": 1483.117
  },
  "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/"
}