{
  "schema_version": "1.0",
  "generated_at": "2026-08-04T18:53:45.798811Z",
  "location": {
    "city_id": "braga",
    "city": "Braga",
    "country_code": "PT",
    "country": "Portugal",
    "latitude": 41.5514,
    "longitude": -8.4231,
    "timezone": "Europe/Lisbon"
  },
  "reference_system": {
    "installedKwp": 10,
    "orientation": "S",
    "tiltDeg": 35,
    "systemLossPct": 14
  },
  "tomorrow_forecast": {
    "cityId": "braga",
    "name": "Braga",
    "lat": 41.5514,
    "lon": -8.4231,
    "timezone": "Europe/Lisbon",
    "featured": false,
    "targetDate": "2026-08-05",
    "expectedKwh": 53,
    "lowKwh": 40,
    "highKwh": 59.8,
    "bestWindowStart": "2026-08-05T12:00:00+01:00",
    "bestWindowEnd": "2026-08-05T16:00:00+01:00",
    "confidence": "medium",
    "fetchedAt": "2026-08-04T18:53:45.798811Z",
    "freshness": "fresh",
    "stale": false
  },
  "typical_year": {
    "lat": 41.5514,
    "lon": -8.4231,
    "annualKwh": 14027.63,
    "averageDailyKwh": 38.43,
    "monthly": [
      {
        "month": 1,
        "averageDailyKwh": 26.77,
        "monthlyKwh": 829.72,
        "variabilityKwh": 208.25
      },
      {
        "month": 2,
        "averageDailyKwh": 33.9,
        "monthlyKwh": 949.2,
        "variabilityKwh": 203.23
      },
      {
        "month": 3,
        "averageDailyKwh": 37.59,
        "monthlyKwh": 1165.29,
        "variabilityKwh": 207.82
      },
      {
        "month": 4,
        "averageDailyKwh": 41.57,
        "monthlyKwh": 1247.01,
        "variabilityKwh": 148.91
      },
      {
        "month": 5,
        "averageDailyKwh": 45.34,
        "monthlyKwh": 1405.65,
        "variabilityKwh": 158.04
      },
      {
        "month": 6,
        "averageDailyKwh": 46.02,
        "monthlyKwh": 1380.58,
        "variabilityKwh": 106.55
      },
      {
        "month": 7,
        "averageDailyKwh": 50,
        "monthlyKwh": 1549.97,
        "variabilityKwh": 98.33
      },
      {
        "month": 8,
        "averageDailyKwh": 49.67,
        "monthlyKwh": 1539.91,
        "variabilityKwh": 99.18
      },
      {
        "month": 9,
        "averageDailyKwh": 44.65,
        "monthlyKwh": 1339.46,
        "variabilityKwh": 131.58
      },
      {
        "month": 10,
        "averageDailyKwh": 33.48,
        "monthlyKwh": 1038.03,
        "variabilityKwh": 182.25
      },
      {
        "month": 11,
        "averageDailyKwh": 26.96,
        "monthlyKwh": 808.82,
        "variabilityKwh": 198.82
      },
      {
        "month": 12,
        "averageDailyKwh": 24.97,
        "monthlyKwh": 774,
        "variabilityKwh": 142.46
      }
    ]
  },
  "comparison": {
    "annual_output_rank_in_country_sample": 6,
    "country_city_count": 6,
    "annual_yield_kwh_per_kwp": 1402.763
  },
  "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/"
}