{
  "schema_version": "1.0",
  "generated_at": "2026-08-04T18:53:42.888310Z",
  "location": {
    "city_id": "osijek",
    "city": "Osijek",
    "country_code": "HR",
    "country": "Croatia",
    "latitude": 45.5507,
    "longitude": 18.6942,
    "timezone": "Europe/Zagreb"
  },
  "reference_system": {
    "installedKwp": 10,
    "orientation": "S",
    "tiltDeg": 35,
    "systemLossPct": 14
  },
  "tomorrow_forecast": {
    "cityId": "osijek",
    "name": "Osijek",
    "lat": 45.5507,
    "lon": 18.6942,
    "timezone": "Europe/Zagreb",
    "featured": false,
    "targetDate": "2026-08-05",
    "expectedKwh": 53.9,
    "lowKwh": 47.4,
    "highKwh": 55.9,
    "bestWindowStart": "2026-08-05T11:00:00+02:00",
    "bestWindowEnd": "2026-08-05T15:00:00+02:00",
    "confidence": "high",
    "fetchedAt": "2026-08-04T18:53:42.888310Z",
    "freshness": "fresh",
    "stale": false
  },
  "typical_year": {
    "lat": 45.5507,
    "lon": 18.6942,
    "annualKwh": 12589.22,
    "averageDailyKwh": 34.49,
    "monthly": [
      {
        "month": 1,
        "averageDailyKwh": 18.19,
        "monthlyKwh": 563.95,
        "variabilityKwh": 143.6
      },
      {
        "month": 2,
        "averageDailyKwh": 24.69,
        "monthlyKwh": 691.38,
        "variabilityKwh": 170.81
      },
      {
        "month": 3,
        "averageDailyKwh": 35.07,
        "monthlyKwh": 1087.32,
        "variabilityKwh": 178.06
      },
      {
        "month": 4,
        "averageDailyKwh": 42.59,
        "monthlyKwh": 1277.61,
        "variabilityKwh": 151.99
      },
      {
        "month": 5,
        "averageDailyKwh": 43.71,
        "monthlyKwh": 1355.1,
        "variabilityKwh": 132.58
      },
      {
        "month": 6,
        "averageDailyKwh": 46.44,
        "monthlyKwh": 1393.28,
        "variabilityKwh": 115.92
      },
      {
        "month": 7,
        "averageDailyKwh": 48.2,
        "monthlyKwh": 1494.27,
        "variabilityKwh": 95.52
      },
      {
        "month": 8,
        "averageDailyKwh": 46.26,
        "monthlyKwh": 1434.07,
        "variabilityKwh": 142.34
      },
      {
        "month": 9,
        "averageDailyKwh": 39.12,
        "monthlyKwh": 1173.7,
        "variabilityKwh": 156.34
      },
      {
        "month": 10,
        "averageDailyKwh": 32.52,
        "monthlyKwh": 1007.98,
        "variabilityKwh": 130.22
      },
      {
        "month": 11,
        "averageDailyKwh": 21.14,
        "monthlyKwh": 634.05,
        "variabilityKwh": 105.88
      },
      {
        "month": 12,
        "averageDailyKwh": 15.37,
        "monthlyKwh": 476.51,
        "variabilityKwh": 111.43
      }
    ]
  },
  "comparison": {
    "annual_output_rank_in_country_sample": 4,
    "country_city_count": 5,
    "annual_yield_kwh_per_kwp": 1258.922
  },
  "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/"
}