{
  "schema_version": "1.0",
  "generated_at": "2026-08-04T18:53:42.067207Z",
  "location": {
    "city_id": "edinburgh",
    "city": "Edinburgh",
    "country_code": "GB",
    "country": "United Kingdom",
    "latitude": 55.9521,
    "longitude": -3.1965,
    "timezone": "Europe/London"
  },
  "reference_system": {
    "installedKwp": 10,
    "orientation": "S",
    "tiltDeg": 35,
    "systemLossPct": 14
  },
  "tomorrow_forecast": {
    "cityId": "edinburgh",
    "name": "Edinburgh",
    "lat": 55.9521,
    "lon": -3.1965,
    "timezone": "Europe/London",
    "featured": true,
    "targetDate": "2026-08-05",
    "expectedKwh": 26.9,
    "lowKwh": 16.7,
    "highKwh": 36.4,
    "bestWindowStart": "2026-08-05T11:00:00+01:00",
    "bestWindowEnd": "2026-08-05T15:00:00+01:00",
    "confidence": "medium",
    "fetchedAt": "2026-08-04T18:53:42.067207Z",
    "freshness": "fresh",
    "stale": false
  },
  "typical_year": {
    "lat": 55.9521,
    "lon": -3.1965,
    "annualKwh": 9002.28,
    "averageDailyKwh": 24.66,
    "monthly": [
      {
        "month": 1,
        "averageDailyKwh": 8.88,
        "monthlyKwh": 275.13,
        "variabilityKwh": 55.64
      },
      {
        "month": 2,
        "averageDailyKwh": 16.55,
        "monthlyKwh": 463.52,
        "variabilityKwh": 80.37
      },
      {
        "month": 3,
        "averageDailyKwh": 25.37,
        "monthlyKwh": 786.32,
        "variabilityKwh": 123.54
      },
      {
        "month": 4,
        "averageDailyKwh": 35.29,
        "monthlyKwh": 1058.63,
        "variabilityKwh": 144.05
      },
      {
        "month": 5,
        "averageDailyKwh": 38.56,
        "monthlyKwh": 1195.46,
        "variabilityKwh": 119.54
      },
      {
        "month": 6,
        "averageDailyKwh": 36.98,
        "monthlyKwh": 1109.3,
        "variabilityKwh": 132.57
      },
      {
        "month": 7,
        "averageDailyKwh": 36.47,
        "monthlyKwh": 1130.44,
        "variabilityKwh": 88.98
      },
      {
        "month": 8,
        "averageDailyKwh": 32.88,
        "monthlyKwh": 1019.4,
        "variabilityKwh": 86.02
      },
      {
        "month": 9,
        "averageDailyKwh": 27.33,
        "monthlyKwh": 820,
        "variabilityKwh": 66.52
      },
      {
        "month": 10,
        "averageDailyKwh": 18.03,
        "monthlyKwh": 558.95,
        "variabilityKwh": 82.51
      },
      {
        "month": 11,
        "averageDailyKwh": 12.25,
        "monthlyKwh": 367.51,
        "variabilityKwh": 57.52
      },
      {
        "month": 12,
        "averageDailyKwh": 7.02,
        "monthlyKwh": 217.62,
        "variabilityKwh": 36.75
      }
    ]
  },
  "comparison": {
    "annual_output_rank_in_country_sample": 10,
    "country_city_count": 12,
    "annual_yield_kwh_per_kwp": 900.2280000000001
  },
  "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/"
}