{
  "schema_version": "1.0",
  "generated_at": "2026-08-04T18:53:42.859540Z",
  "location": {
    "city_id": "rijeka",
    "city": "Rijeka",
    "country_code": "HR",
    "country": "Croatia",
    "latitude": 45.3271,
    "longitude": 14.4422,
    "timezone": "Europe/Zagreb"
  },
  "reference_system": {
    "installedKwp": 10,
    "orientation": "S",
    "tiltDeg": 35,
    "systemLossPct": 14
  },
  "tomorrow_forecast": {
    "cityId": "rijeka",
    "name": "Rijeka",
    "lat": 45.3271,
    "lon": 14.4422,
    "timezone": "Europe/Zagreb",
    "featured": true,
    "targetDate": "2026-08-05",
    "expectedKwh": 51.6,
    "lowKwh": 43.7,
    "highKwh": 55.6,
    "bestWindowStart": "2026-08-05T11:00:00+02:00",
    "bestWindowEnd": "2026-08-05T15:00:00+02:00",
    "confidence": "high",
    "fetchedAt": "2026-08-04T18:53:42.859540Z",
    "freshness": "fresh",
    "stale": false
  },
  "typical_year": {
    "lat": 45.3271,
    "lon": 14.4422,
    "annualKwh": 13004.57,
    "averageDailyKwh": 35.63,
    "monthly": [
      {
        "month": 1,
        "averageDailyKwh": 22.08,
        "monthlyKwh": 684.4,
        "variabilityKwh": 182.29
      },
      {
        "month": 2,
        "averageDailyKwh": 28.54,
        "monthlyKwh": 799.24,
        "variabilityKwh": 167.3
      },
      {
        "month": 3,
        "averageDailyKwh": 36.44,
        "monthlyKwh": 1129.76,
        "variabilityKwh": 231.04
      },
      {
        "month": 4,
        "averageDailyKwh": 41.74,
        "monthlyKwh": 1252.1,
        "variabilityKwh": 164.29
      },
      {
        "month": 5,
        "averageDailyKwh": 43.18,
        "monthlyKwh": 1338.57,
        "variabilityKwh": 174.5
      },
      {
        "month": 6,
        "averageDailyKwh": 47.94,
        "monthlyKwh": 1438.06,
        "variabilityKwh": 91.89
      },
      {
        "month": 7,
        "averageDailyKwh": 49.15,
        "monthlyKwh": 1523.72,
        "variabilityKwh": 95.96
      },
      {
        "month": 8,
        "averageDailyKwh": 47.19,
        "monthlyKwh": 1462.75,
        "variabilityKwh": 140.48
      },
      {
        "month": 9,
        "averageDailyKwh": 39.9,
        "monthlyKwh": 1196.9,
        "variabilityKwh": 134.02
      },
      {
        "month": 10,
        "averageDailyKwh": 31.02,
        "monthlyKwh": 961.49,
        "variabilityKwh": 114.99
      },
      {
        "month": 11,
        "averageDailyKwh": 20.59,
        "monthlyKwh": 617.72,
        "variabilityKwh": 161.83
      },
      {
        "month": 12,
        "averageDailyKwh": 19.35,
        "monthlyKwh": 599.86,
        "variabilityKwh": 147.45
      }
    ]
  },
  "comparison": {
    "annual_output_rank_in_country_sample": 3,
    "country_city_count": 5,
    "annual_yield_kwh_per_kwp": 1300.4569999999999
  },
  "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/"
}