{
  "schema_version": "1.0",
  "generated_at": "2026-08-04T18:53:46.034965Z",
  "location": {
    "city_id": "iasi",
    "city": "Iași",
    "country_code": "RO",
    "country": "Romania",
    "latitude": 47.1667,
    "longitude": 27.6,
    "timezone": "Europe/Bucharest"
  },
  "reference_system": {
    "installedKwp": 10,
    "orientation": "S",
    "tiltDeg": 35,
    "systemLossPct": 14
  },
  "tomorrow_forecast": {
    "cityId": "iasi",
    "name": "Iași",
    "lat": 47.1667,
    "lon": 27.6,
    "timezone": "Europe/Bucharest",
    "featured": false,
    "targetDate": "2026-08-05",
    "expectedKwh": 53,
    "lowKwh": 45.6,
    "highKwh": 57.4,
    "bestWindowStart": "2026-08-05T12:00:00+03:00",
    "bestWindowEnd": "2026-08-05T16:00:00+03:00",
    "confidence": "high",
    "fetchedAt": "2026-08-04T18:53:46.034965Z",
    "freshness": "fresh",
    "stale": false
  },
  "typical_year": {
    "lat": 47.1667,
    "lon": 27.6,
    "annualKwh": 12106.04,
    "averageDailyKwh": 33.17,
    "monthly": [
      {
        "month": 1,
        "averageDailyKwh": 14.72,
        "monthlyKwh": 456.36,
        "variabilityKwh": 105.06
      },
      {
        "month": 2,
        "averageDailyKwh": 22.78,
        "monthlyKwh": 637.72,
        "variabilityKwh": 135.2
      },
      {
        "month": 3,
        "averageDailyKwh": 33.66,
        "monthlyKwh": 1043.5,
        "variabilityKwh": 166.01
      },
      {
        "month": 4,
        "averageDailyKwh": 40.03,
        "monthlyKwh": 1201.02,
        "variabilityKwh": 167.69
      },
      {
        "month": 5,
        "averageDailyKwh": 44.2,
        "monthlyKwh": 1370.23,
        "variabilityKwh": 119.9
      },
      {
        "month": 6,
        "averageDailyKwh": 45.51,
        "monthlyKwh": 1365.39,
        "variabilityKwh": 122.02
      },
      {
        "month": 7,
        "averageDailyKwh": 47.59,
        "monthlyKwh": 1475.16,
        "variabilityKwh": 85.17
      },
      {
        "month": 8,
        "averageDailyKwh": 46.77,
        "monthlyKwh": 1449.95,
        "variabilityKwh": 129.74
      },
      {
        "month": 9,
        "averageDailyKwh": 40.15,
        "monthlyKwh": 1204.57,
        "variabilityKwh": 151.5
      },
      {
        "month": 10,
        "averageDailyKwh": 30.64,
        "monthlyKwh": 949.76,
        "variabilityKwh": 157.51
      },
      {
        "month": 11,
        "averageDailyKwh": 18.01,
        "monthlyKwh": 540.25,
        "variabilityKwh": 92.06
      },
      {
        "month": 12,
        "averageDailyKwh": 13.29,
        "monthlyKwh": 412.13,
        "variabilityKwh": 133.21
      }
    ]
  },
  "comparison": {
    "annual_output_rank_in_country_sample": 5,
    "country_city_count": 6,
    "annual_yield_kwh_per_kwp": 1210.604
  },
  "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/"
}