{
  "schema_version": "1.0",
  "generated_at": "2026-08-04T18:53:47.813764Z",
  "country_code": "LT",
  "country": "Lithuania",
  "reference_system": {
    "installedKwp": 10,
    "orientation": "S",
    "tiltDeg": 35,
    "systemLossPct": 14
  },
  "city_count": 4,
  "summary": {
    "tomorrow_average_kwh": 41.724999999999994,
    "tomorrow_min_kwh": 39.4,
    "tomorrow_max_kwh": 44.1,
    "typical_annual_average_kwh": 10087.8775,
    "typical_annual_min_kwh": 9793.98,
    "typical_annual_max_kwh": 10687.28
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  "cities": [
    {
      "city_id": "kaunas",
      "city": "Kaunas",
      "latitude": 54.8985,
      "longitude": 23.9036,
      "forecast": {
        "cityId": "kaunas",
        "name": "Kaunas",
        "lat": 54.8985,
        "lon": 23.9036,
        "timezone": "Europe/Vilnius",
        "featured": true,
        "targetDate": "2026-08-05",
        "expectedKwh": 42.3,
        "lowKwh": 33.2,
        "highKwh": 50.2,
        "bestWindowStart": "2026-08-05T11:00:00+03:00",
        "bestWindowEnd": "2026-08-05T15:00:00+03:00",
        "confidence": "medium",
        "fetchedAt": "2026-08-04T18:53:43.904159Z",
        "freshness": "fresh",
        "stale": false
      },
      "typical_annual_kwh": 9936.66,
      "typical_monthly": [
        {
          "month": 1,
          "averageDailyKwh": 8.36,
          "monthlyKwh": 259.11,
          "variabilityKwh": 86.4
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        {
          "month": 2,
          "averageDailyKwh": 16.92,
          "monthlyKwh": 473.84,
          "variabilityKwh": 99.32
        },
        {
          "month": 3,
          "averageDailyKwh": 27.75,
          "monthlyKwh": 860.36,
          "variabilityKwh": 193.55
        },
        {
          "month": 4,
          "averageDailyKwh": 39,
          "monthlyKwh": 1169.89,
          "variabilityKwh": 176.81
        },
        {
          "month": 5,
          "averageDailyKwh": 43.44,
          "monthlyKwh": 1346.6,
          "variabilityKwh": 178.77
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        {
          "month": 6,
          "averageDailyKwh": 44.98,
          "monthlyKwh": 1349.52,
          "variabilityKwh": 143.53
        },
        {
          "month": 7,
          "averageDailyKwh": 42.48,
          "monthlyKwh": 1316.88,
          "variabilityKwh": 133.93
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        {
          "month": 8,
          "averageDailyKwh": 38.73,
          "monthlyKwh": 1200.66,
          "variabilityKwh": 148.51
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        {
          "month": 9,
          "averageDailyKwh": 32.31,
          "monthlyKwh": 969.41,
          "variabilityKwh": 140.58
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        {
          "month": 10,
          "averageDailyKwh": 19.42,
          "monthlyKwh": 602.02,
          "variabilityKwh": 151.52
        },
        {
          "month": 11,
          "averageDailyKwh": 7.66,
          "monthlyKwh": 229.71,
          "variabilityKwh": 42.42
        },
        {
          "month": 12,
          "averageDailyKwh": 5.12,
          "monthlyKwh": 158.66,
          "variabilityKwh": 37.36
        }
      ]
    },
    {
      "city_id": "klaipeda",
      "city": "Klaipėda",
      "latitude": 55.7033,
      "longitude": 21.1443,
      "forecast": {
        "cityId": "klaipeda",
        "name": "Klaipėda",
        "lat": 55.7033,
        "lon": 21.1443,
        "timezone": "Europe/Vilnius",
        "featured": true,
        "targetDate": "2026-08-05",
        "expectedKwh": 39.4,
        "lowKwh": 30.6,
        "highKwh": 47.7,
        "bestWindowStart": "2026-08-05T14:00:00+03:00",
        "bestWindowEnd": "2026-08-05T18:00:00+03:00",
        "confidence": "medium",
        "fetchedAt": "2026-08-04T18:53:43.935519Z",
        "freshness": "fresh",
        "stale": false
      },
      "typical_annual_kwh": 10687.28,
      "typical_monthly": [
        {
          "month": 1,
          "averageDailyKwh": 7.14,
          "monthlyKwh": 221.32,
          "variabilityKwh": 63.51
        },
        {
          "month": 2,
          "averageDailyKwh": 17.08,
          "monthlyKwh": 478.17,
          "variabilityKwh": 117.06
        },
        {
          "month": 3,
          "averageDailyKwh": 30.71,
          "monthlyKwh": 951.92,
          "variabilityKwh": 203.39
        },
        {
          "month": 4,
          "averageDailyKwh": 43.56,
          "monthlyKwh": 1306.72,
          "variabilityKwh": 139.86
        },
        {
          "month": 5,
          "averageDailyKwh": 49.62,
          "monthlyKwh": 1538.07,
          "variabilityKwh": 141.44
        },
        {
          "month": 6,
          "averageDailyKwh": 50.2,
          "monthlyKwh": 1505.94,
          "variabilityKwh": 117.54
        },
        {
          "month": 7,
          "averageDailyKwh": 46.03,
          "monthlyKwh": 1426.83,
          "variabilityKwh": 146.49
        },
        {
          "month": 8,
          "averageDailyKwh": 40.34,
          "monthlyKwh": 1250.61,
          "variabilityKwh": 164.44
        },
        {
          "month": 9,
          "averageDailyKwh": 34.01,
          "monthlyKwh": 1020.38,
          "variabilityKwh": 98.14
        },
        {
          "month": 10,
          "averageDailyKwh": 19.55,
          "monthlyKwh": 606.03,
          "variabilityKwh": 146.66
        },
        {
          "month": 11,
          "averageDailyKwh": 8.1,
          "monthlyKwh": 243,
          "variabilityKwh": 39.97
        },
        {
          "month": 12,
          "averageDailyKwh": 4.46,
          "monthlyKwh": 138.28,
          "variabilityKwh": 33.57
        }
      ]
    },
    {
      "city_id": "vilnius",
      "city": "Vilnius",
      "latitude": 54.6872,
      "longitude": 25.2797,
      "forecast": {
        "cityId": "vilnius",
        "name": "Vilnius",
        "lat": 54.6872,
        "lon": 25.2797,
        "timezone": "Europe/Vilnius",
        "featured": true,
        "targetDate": "2026-08-05",
        "expectedKwh": 44.1,
        "lowKwh": 35.3,
        "highKwh": 51.2,
        "bestWindowStart": "2026-08-05T13:00:00+03:00",
        "bestWindowEnd": "2026-08-05T17:00:00+03:00",
        "confidence": "medium",
        "fetchedAt": "2026-08-04T18:53:43.875020Z",
        "freshness": "fresh",
        "stale": false
      },
      "typical_annual_kwh": 9793.98,
      "typical_monthly": [
        {
          "month": 1,
          "averageDailyKwh": 8.6,
          "monthlyKwh": 266.64,
          "variabilityKwh": 89.8
        },
        {
          "month": 2,
          "averageDailyKwh": 17.1,
          "monthlyKwh": 478.81,
          "variabilityKwh": 115.29
        },
        {
          "month": 3,
          "averageDailyKwh": 28.12,
          "monthlyKwh": 871.8,
          "variabilityKwh": 210.55
        },
        {
          "month": 4,
          "averageDailyKwh": 37.98,
          "monthlyKwh": 1139.3,
          "variabilityKwh": 171.98
        },
        {
          "month": 5,
          "averageDailyKwh": 42.35,
          "monthlyKwh": 1312.79,
          "variabilityKwh": 179.16
        },
        {
          "month": 6,
          "averageDailyKwh": 44.77,
          "monthlyKwh": 1342.97,
          "variabilityKwh": 135.09
        },
        {
          "month": 7,
          "averageDailyKwh": 41.94,
          "monthlyKwh": 1300.17,
          "variabilityKwh": 135.58
        },
        {
          "month": 8,
          "averageDailyKwh": 38.48,
          "monthlyKwh": 1193.02,
          "variabilityKwh": 145.01
        },
        {
          "month": 9,
          "averageDailyKwh": 31,
          "monthlyKwh": 929.97,
          "variabilityKwh": 141.86
        },
        {
          "month": 10,
          "averageDailyKwh": 18.82,
          "monthlyKwh": 583.54,
          "variabilityKwh": 170.15
        },
        {
          "month": 11,
          "averageDailyKwh": 7.2,
          "monthlyKwh": 215.89,
          "variabilityKwh": 46.38
        },
        {
          "month": 12,
          "averageDailyKwh": 5.13,
          "monthlyKwh": 159.06,
          "variabilityKwh": 41.76
        }
      ]
    },
    {
      "city_id": "siauliai",
      "city": "Šiauliai",
      "latitude": 55.9333,
      "longitude": 23.3167,
      "forecast": {
        "cityId": "siauliai",
        "name": "Šiauliai",
        "lat": 55.9333,
        "lon": 23.3167,
        "timezone": "Europe/Vilnius",
        "featured": false,
        "targetDate": "2026-08-05",
        "expectedKwh": 41.1,
        "lowKwh": 31.4,
        "highKwh": 50.4,
        "bestWindowStart": "2026-08-05T14:00:00+03:00",
        "bestWindowEnd": "2026-08-05T18:00:00+03:00",
        "confidence": "medium",
        "fetchedAt": "2026-08-04T18:53:44.003053Z",
        "freshness": "fresh",
        "stale": false
      },
      "typical_annual_kwh": 9933.59,
      "typical_monthly": [
        {
          "month": 1,
          "averageDailyKwh": 7.1,
          "monthlyKwh": 220.12,
          "variabilityKwh": 70.34
        },
        {
          "month": 2,
          "averageDailyKwh": 16.22,
          "monthlyKwh": 454.1,
          "variabilityKwh": 115.04
        },
        {
          "month": 3,
          "averageDailyKwh": 28.16,
          "monthlyKwh": 872.91,
          "variabilityKwh": 201.99
        },
        {
          "month": 4,
          "averageDailyKwh": 39.5,
          "monthlyKwh": 1185.11,
          "variabilityKwh": 164.15
        },
        {
          "month": 5,
          "averageDailyKwh": 44.43,
          "monthlyKwh": 1377.33,
          "variabilityKwh": 172.32
        },
        {
          "month": 6,
          "averageDailyKwh": 45.42,
          "monthlyKwh": 1362.45,
          "variabilityKwh": 130
        },
        {
          "month": 7,
          "averageDailyKwh": 43.4,
          "monthlyKwh": 1345.51,
          "variabilityKwh": 110.11
        },
        {
          "month": 8,
          "averageDailyKwh": 38.19,
          "monthlyKwh": 1183.9,
          "variabilityKwh": 135.43
        },
        {
          "month": 9,
          "averageDailyKwh": 32.13,
          "monthlyKwh": 963.83,
          "variabilityKwh": 121.86
        },
        {
          "month": 10,
          "averageDailyKwh": 19.75,
          "monthlyKwh": 612.11,
          "variabilityKwh": 145.07
        },
        {
          "month": 11,
          "averageDailyKwh": 7.42,
          "monthlyKwh": 222.51,
          "variabilityKwh": 41.83
        },
        {
          "month": 12,
          "averageDailyKwh": 4.31,
          "monthlyKwh": 133.7,
          "variabilityKwh": 30.84
        }
      ]
    }
  ],
  "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/"
}