{ "schema_version": "1.0", "generated_at": "2026-08-04T18:53:47.813764Z", "country_code": "AT", "country": "Austria", "reference_system": { "installedKwp": 10, "orientation": "S", "tiltDeg": 35, "systemLossPct": 14 }, "city_count": 6, "summary": { "tomorrow_average_kwh": 51.68333333333333, "tomorrow_min_kwh": 47.2, "tomorrow_max_kwh": 54.3, "typical_annual_average_kwh": 12012.543333333335, "typical_annual_min_kwh": 10713.19, "typical_annual_max_kwh": 13494.79 }, "cities": [ { "city_id": "graz", "city": "Graz", "latitude": 47.0707, "longitude": 15.4395, "forecast": { "cityId": "graz", "name": "Graz", "lat": 47.0707, "lon": 15.4395, "timezone": "Europe/Vienna", "featured": true, "targetDate": "2026-08-05", "expectedKwh": 54.3, "lowKwh": 47.8, "highKwh": 56.3, "bestWindowStart": "2026-08-05T12:00:00+02:00", "bestWindowEnd": "2026-08-05T16:00:00+02:00", "confidence": "high", "fetchedAt": "2026-08-04T18:53:38.819457Z", "freshness": "fresh", "stale": false }, "typical_annual_kwh": 12216.86, "typical_monthly": [ { "month": 1, "averageDailyKwh": 21.86, "monthlyKwh": 677.72, "variabilityKwh": 169.6 }, { "month": 2, "averageDailyKwh": 28.7, "monthlyKwh": 803.5, "variabilityKwh": 211.7 }, { "month": 3, "averageDailyKwh": 36.33, "monthlyKwh": 1126.09, "variabilityKwh": 176.28 }, { "month": 4, "averageDailyKwh": 40.82, "monthlyKwh": 1224.65, "variabilityKwh": 150.4 }, { "month": 5, "averageDailyKwh": 40.48, "monthlyKwh": 1254.76, "variabilityKwh": 129 }, { "month": 6, "averageDailyKwh": 42.88, "monthlyKwh": 1286.39, "variabilityKwh": 94.54 }, { "month": 7, "averageDailyKwh": 43.99, "monthlyKwh": 1363.57, "variabilityKwh": 106.6 }, { "month": 8, "averageDailyKwh": 41.4, "monthlyKwh": 1283.44, "variabilityKwh": 126.32 }, { "month": 9, "averageDailyKwh": 36.78, "monthlyKwh": 1103.36, "variabilityKwh": 141.25 }, { "month": 10, "averageDailyKwh": 30.13, "monthlyKwh": 933.95, "variabilityKwh": 122.33 }, { "month": 11, "averageDailyKwh": 19.82, "monthlyKwh": 594.62, "variabilityKwh": 131.47 }, { "month": 12, "averageDailyKwh": 18.22, "monthlyKwh": 564.82, "variabilityKwh": 94 } ] }, { "city_id": "salzburg", "city": "Salzburg", "latitude": 47.8095, "longitude": 13.055, "forecast": { "cityId": "salzburg", "name": "Salzburg", "lat": 47.8095, "lon": 13.055, "timezone": "Europe/Vienna", "featured": true, "targetDate": "2026-08-05", "expectedKwh": 51.2, "lowKwh": 42.3, "highKwh": 55.4, "bestWindowStart": "2026-08-05T12:00:00+02:00", "bestWindowEnd": "2026-08-05T16:00:00+02:00", "confidence": "medium", "fetchedAt": "2026-08-04T18:53:38.946661Z", "freshness": "fresh", "stale": false }, "typical_annual_kwh": 10713.19, "typical_monthly": [ { "month": 1, "averageDailyKwh": 11.46, "monthlyKwh": 355.12, "variabilityKwh": 82.61 }, { "month": 2, "averageDailyKwh": 25.71, "monthlyKwh": 719.97, "variabilityKwh": 137.32 }, { "month": 3, "averageDailyKwh": 31.32, "monthlyKwh": 970.79, "variabilityKwh": 183.79 }, { "month": 4, "averageDailyKwh": 38.1, "monthlyKwh": 1143.09, "variabilityKwh": 217.92 }, { "month": 5, "averageDailyKwh": 37.44, "monthlyKwh": 1160.55, "variabilityKwh": 183.8 }, { "month": 6, "averageDailyKwh": 40.83, "monthlyKwh": 1225.02, "variabilityKwh": 172.53 }, { "month": 7, "averageDailyKwh": 41.02, "monthlyKwh": 1271.69, "variabilityKwh": 143.97 }, { "month": 8, "averageDailyKwh": 38.46, "monthlyKwh": 1192.28, "variabilityKwh": 153.84 }, { "month": 9, "averageDailyKwh": 34.35, "monthlyKwh": 1030.57, "variabilityKwh": 157.42 }, { "month": 10, "averageDailyKwh": 28.33, "monthlyKwh": 878.36, "variabilityKwh": 151.72 }, { "month": 11, "averageDailyKwh": 14.77, "monthlyKwh": 443.05, "variabilityKwh": 98.48 }, { "month": 12, "averageDailyKwh": 10.41, "monthlyKwh": 322.7, "variabilityKwh": 84.45 } ] }, { "city_id": "vienna", "city": "Vienna", "latitude": 48.2082, "longitude": 16.3738, "forecast": { "cityId": "vienna", "name": "Vienna", "lat": 48.2082, "lon": 16.3738, "timezone": "Europe/Vienna", "featured": true, "targetDate": "2026-08-05", "expectedKwh": 53.7, "lowKwh": 46.4, "highKwh": 55.5, "bestWindowStart": "2026-08-05T12:00:00+02:00", "bestWindowEnd": "2026-08-05T16:00:00+02:00", "confidence": "high", "fetchedAt": "2026-08-04T18:53:38.758601Z", "freshness": "fresh", "stale": false }, "typical_annual_kwh": 11743.47, "typical_monthly": [ { "month": 1, "averageDailyKwh": 15.47, "monthlyKwh": 479.44, "variabilityKwh": 92.43 }, { "month": 2, "averageDailyKwh": 24.69, "monthlyKwh": 691.3, "variabilityKwh": 132.49 }, { "month": 3, "averageDailyKwh": 34.14, "monthlyKwh": 1058.28, "variabilityKwh": 167.67 }, { "month": 4, "averageDailyKwh": 42.98, "monthlyKwh": 1289.26, "variabilityKwh": 164.55 }, { "month": 5, "averageDailyKwh": 42.43, "monthlyKwh": 1315.39, "variabilityKwh": 161.41 }, { "month": 6, "averageDailyKwh": 45.01, "monthlyKwh": 1350.35, "variabilityKwh": 137.15 }, { "month": 7, "averageDailyKwh": 45.16, "monthlyKwh": 1399.83, "variabilityKwh": 129.43 }, { "month": 8, "averageDailyKwh": 42.01, "monthlyKwh": 1302.36, "variabilityKwh": 109.56 }, { "month": 9, "averageDailyKwh": 37.52, "monthlyKwh": 1125.63, "variabilityKwh": 131.39 }, { "month": 10, "averageDailyKwh": 26.75, "monthlyKwh": 829.25, "variabilityKwh": 159.63 }, { "month": 11, "averageDailyKwh": 16.09, "monthlyKwh": 482.74, "variabilityKwh": 72.41 }, { "month": 12, "averageDailyKwh": 13.54, "monthlyKwh": 419.64, "variabilityKwh": 61.92 } ] }, { "city_id": "innsbruck", "city": "Innsbruck", "latitude": 47.2627, "longitude": 11.3945, "forecast": { "cityId": "innsbruck", "name": "Innsbruck", "lat": 47.2627, "lon": 11.3945, "timezone": "Europe/Vienna", "featured": false, "targetDate": "2026-08-05", "expectedKwh": 47.2, "lowKwh": 37.9, "highKwh": 53.8, "bestWindowStart": "2026-08-05T11:00:00+02:00", "bestWindowEnd": "2026-08-05T15:00:00+02:00", "confidence": "medium", "fetchedAt": "2026-08-04T18:53:39.039418Z", "freshness": "fresh", "stale": false }, "typical_annual_kwh": 13494.79, "typical_monthly": [ { "month": 1, "averageDailyKwh": 23.2, "monthlyKwh": 719.23, "variabilityKwh": 121.22 }, { "month": 2, "averageDailyKwh": 36.07, "monthlyKwh": 1010.03, "variabilityKwh": 85.91 }, { "month": 3, "averageDailyKwh": 42.87, "monthlyKwh": 1328.92, "variabilityKwh": 133.44 }, { "month": 4, "averageDailyKwh": 46.6, "monthlyKwh": 1398, "variabilityKwh": 153.9 }, { "month": 5, "averageDailyKwh": 42.81, "monthlyKwh": 1327.01, "variabilityKwh": 148.47 }, { "month": 6, "averageDailyKwh": 45.19, "monthlyKwh": 1355.77, "variabilityKwh": 119.65 }, { "month": 7, "averageDailyKwh": 44.82, "monthlyKwh": 1389.28, "variabilityKwh": 130.87 }, { "month": 8, "averageDailyKwh": 42.66, "monthlyKwh": 1322.6, "variabilityKwh": 122.99 }, { "month": 9, "averageDailyKwh": 40.32, "monthlyKwh": 1209.63, "variabilityKwh": 127.65 }, { "month": 10, "averageDailyKwh": 35, "monthlyKwh": 1084.92, "variabilityKwh": 114.33 }, { "month": 11, "averageDailyKwh": 24.3, "monthlyKwh": 729.09, "variabilityKwh": 146.92 }, { "month": 12, "averageDailyKwh": 20.01, "monthlyKwh": 620.31, "variabilityKwh": 173.21 } ] }, { "city_id": "klagenfurt", "city": "Klagenfurt", "latitude": 46.6247, "longitude": 14.3053, "forecast": { "cityId": "klagenfurt", "name": "Klagenfurt", "lat": 46.6247, "lon": 14.3053, "timezone": "Europe/Vienna", "featured": false, "targetDate": "2026-08-05", "expectedKwh": 53, "lowKwh": 46.3, "highKwh": 56.3, "bestWindowStart": "2026-08-05T12:00:00+02:00", "bestWindowEnd": "2026-08-05T16:00:00+02:00", "confidence": "high", "fetchedAt": "2026-08-04T18:53:39.068376Z", "freshness": "fresh", "stale": false }, "typical_annual_kwh": 12496.79, "typical_monthly": [ { "month": 1, "averageDailyKwh": 22.2, "monthlyKwh": 688.25, "variabilityKwh": 203.06 }, { "month": 2, "averageDailyKwh": 31.46, "monthlyKwh": 880.87, "variabilityKwh": 190.51 }, { "month": 3, "averageDailyKwh": 38.28, "monthlyKwh": 1186.58, "variabilityKwh": 182.43 }, { "month": 4, "averageDailyKwh": 41.82, "monthlyKwh": 1254.53, "variabilityKwh": 152.23 }, { "month": 5, "averageDailyKwh": 42.21, "monthlyKwh": 1308.54, "variabilityKwh": 140.09 }, { "month": 6, "averageDailyKwh": 45.38, "monthlyKwh": 1361.47, "variabilityKwh": 120.32 }, { "month": 7, "averageDailyKwh": 46.05, "monthlyKwh": 1427.57, "variabilityKwh": 93.96 }, { "month": 8, "averageDailyKwh": 42.6, "monthlyKwh": 1320.61, "variabilityKwh": 123.31 }, { "month": 9, "averageDailyKwh": 37.28, "monthlyKwh": 1118.4, "variabilityKwh": 171.93 }, { "month": 10, "averageDailyKwh": 28.78, "monthlyKwh": 892.27, "variabilityKwh": 127.62 }, { "month": 11, "averageDailyKwh": 17.79, "monthlyKwh": 533.57, "variabilityKwh": 138.74 }, { "month": 12, "averageDailyKwh": 16.91, "monthlyKwh": 524.13, "variabilityKwh": 136.14 } ] }, { "city_id": "linz", "city": "Linz", "latitude": 48.3064, "longitude": 14.2861, "forecast": { "cityId": "linz", "name": "Linz", "lat": 48.3064, "lon": 14.2861, "timezone": "Europe/Vienna", "featured": false, "targetDate": "2026-08-05", "expectedKwh": 50.7, "lowKwh": 42.9, "highKwh": 54.2, "bestWindowStart": "2026-08-05T12:00:00+02:00", "bestWindowEnd": "2026-08-05T16:00:00+02:00", "confidence": "medium", "fetchedAt": "2026-08-04T18:53:38.977165Z", "freshness": "fresh", "stale": false }, "typical_annual_kwh": 11410.16, "typical_monthly": [ { "month": 1, "averageDailyKwh": 14.82, "monthlyKwh": 459.37, "variabilityKwh": 99.11 }, { "month": 2, "averageDailyKwh": 25.24, "monthlyKwh": 706.74, "variabilityKwh": 137.67 }, { "month": 3, "averageDailyKwh": 33.51, "monthlyKwh": 1038.67, "variabilityKwh": 175.23 }, { "month": 4, "averageDailyKwh": 41.32, "monthlyKwh": 1239.6, "variabilityKwh": 198.7 }, { "month": 5, "averageDailyKwh": 40.88, "monthlyKwh": 1267.13, "variabilityKwh": 172.61 }, { "month": 6, "averageDailyKwh": 43.75, "monthlyKwh": 1312.63, "variabilityKwh": 141.21 }, { "month": 7, "averageDailyKwh": 43.58, "monthlyKwh": 1350.99, "variabilityKwh": 128.73 }, { "month": 8, "averageDailyKwh": 40.7, "monthlyKwh": 1261.83, "variabilityKwh": 116.79 }, { "month": 9, "averageDailyKwh": 35.87, "monthlyKwh": 1076.04, "variabilityKwh": 144.36 }, { "month": 10, "averageDailyKwh": 26.9, "monthlyKwh": 833.82, "variabilityKwh": 134.62 }, { "month": 11, "averageDailyKwh": 15.73, "monthlyKwh": 471.81, "variabilityKwh": 65.3 }, { "month": 12, "averageDailyKwh": 12.63, "monthlyKwh": 391.52, "variabilityKwh": 69.91 } ] } ], "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/" }