{
  "schema_version": "1.0",
  "generated_at": "2026-08-04T18:53:44.765589Z",
  "location": {
    "city_id": "amsterdam",
    "city": "Amsterdam",
    "country_code": "NL",
    "country": "Netherlands",
    "latitude": 52.3676,
    "longitude": 4.9041,
    "timezone": "Europe/Amsterdam"
  },
  "reference_system": {
    "installedKwp": 10,
    "orientation": "S",
    "tiltDeg": 35,
    "systemLossPct": 14
  },
  "tomorrow_forecast": {
    "cityId": "amsterdam",
    "name": "Amsterdam",
    "lat": 52.3676,
    "lon": 4.9041,
    "timezone": "Europe/Amsterdam",
    "featured": true,
    "targetDate": "2026-08-05",
    "expectedKwh": 40.2,
    "lowKwh": 28.4,
    "highKwh": 50.9,
    "bestWindowStart": "2026-08-05T12:00:00+02:00",
    "bestWindowEnd": "2026-08-05T16:00:00+02:00",
    "confidence": "medium",
    "fetchedAt": "2026-08-04T18:53:44.765589Z",
    "freshness": "fresh",
    "stale": false
  },
  "typical_year": {
    "lat": 52.3676,
    "lon": 4.9041,
    "annualKwh": 10241.86,
    "averageDailyKwh": 28.06,
    "monthly": [
      {
        "month": 1,
        "averageDailyKwh": 10.89,
        "monthlyKwh": 337.65,
        "variabilityKwh": 48.02
      },
      {
        "month": 2,
        "averageDailyKwh": 18.25,
        "monthlyKwh": 511.03,
        "variabilityKwh": 131.71
      },
      {
        "month": 3,
        "averageDailyKwh": 29.27,
        "monthlyKwh": 907.38,
        "variabilityKwh": 168.46
      },
      {
        "month": 4,
        "averageDailyKwh": 40.65,
        "monthlyKwh": 1219.61,
        "variabilityKwh": 172.06
      },
      {
        "month": 5,
        "averageDailyKwh": 42.36,
        "monthlyKwh": 1313.22,
        "variabilityKwh": 140.02
      },
      {
        "month": 6,
        "averageDailyKwh": 42.97,
        "monthlyKwh": 1289.21,
        "variabilityKwh": 131.12
      },
      {
        "month": 7,
        "averageDailyKwh": 40.74,
        "monthlyKwh": 1262.99,
        "variabilityKwh": 148.75
      },
      {
        "month": 8,
        "averageDailyKwh": 37.03,
        "monthlyKwh": 1147.93,
        "variabilityKwh": 127.42
      },
      {
        "month": 9,
        "averageDailyKwh": 31.53,
        "monthlyKwh": 946.04,
        "variabilityKwh": 96.73
      },
      {
        "month": 10,
        "averageDailyKwh": 20.95,
        "monthlyKwh": 649.47,
        "variabilityKwh": 99.96
      },
      {
        "month": 11,
        "averageDailyKwh": 12.73,
        "monthlyKwh": 382.04,
        "variabilityKwh": 61.35
      },
      {
        "month": 12,
        "averageDailyKwh": 8.88,
        "monthlyKwh": 275.28,
        "variabilityKwh": 60.22
      }
    ]
  },
  "comparison": {
    "annual_output_rank_in_country_sample": 7,
    "country_city_count": 10,
    "annual_yield_kwh_per_kwp": 1024.1860000000001
  },
  "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/"
}