{ "schema_version": "1.0", "generated_at": "2026-08-04T18:53:47.813764Z", "country_code": "HR", "country": "Croatia", "reference_system": { "installedKwp": 10, "orientation": "S", "tiltDeg": 35, "systemLossPct": 14 }, "city_count": 5, "summary": { "tomorrow_average_kwh": 52.919999999999995, "tomorrow_min_kwh": 51.6, "tomorrow_max_kwh": 55.2, "typical_annual_average_kwh": 13454.966, "typical_annual_min_kwh": 12344.18, "typical_annual_max_kwh": 14924.72 }, "cities": [ { "city_id": "rijeka", "city": "Rijeka", "latitude": 45.3271, "longitude": 14.4422, "forecast": { "cityId": "rijeka", "name": "Rijeka", "lat": 45.3271, "lon": 14.4422, "timezone": "Europe/Zagreb", "featured": true, "targetDate": "2026-08-05", "expectedKwh": 51.6, "lowKwh": 43.7, "highKwh": 55.6, "bestWindowStart": "2026-08-05T11:00:00+02:00", "bestWindowEnd": "2026-08-05T15:00:00+02:00", "confidence": "high", "fetchedAt": "2026-08-04T18:53:42.859540Z", "freshness": "fresh", "stale": false }, "typical_annual_kwh": 13004.57, "typical_monthly": [ { "month": 1, "averageDailyKwh": 22.08, "monthlyKwh": 684.4, "variabilityKwh": 182.29 }, { "month": 2, "averageDailyKwh": 28.54, "monthlyKwh": 799.24, "variabilityKwh": 167.3 }, { "month": 3, "averageDailyKwh": 36.44, "monthlyKwh": 1129.76, "variabilityKwh": 231.04 }, { "month": 4, "averageDailyKwh": 41.74, "monthlyKwh": 1252.1, "variabilityKwh": 164.29 }, { "month": 5, "averageDailyKwh": 43.18, "monthlyKwh": 1338.57, "variabilityKwh": 174.5 }, { "month": 6, "averageDailyKwh": 47.94, "monthlyKwh": 1438.06, "variabilityKwh": 91.89 }, { "month": 7, "averageDailyKwh": 49.15, "monthlyKwh": 1523.72, "variabilityKwh": 95.96 }, { "month": 8, "averageDailyKwh": 47.19, "monthlyKwh": 1462.75, "variabilityKwh": 140.48 }, { "month": 9, "averageDailyKwh": 39.9, "monthlyKwh": 1196.9, "variabilityKwh": 134.02 }, { "month": 10, "averageDailyKwh": 31.02, "monthlyKwh": 961.49, "variabilityKwh": 114.99 }, { "month": 11, "averageDailyKwh": 20.59, "monthlyKwh": 617.72, "variabilityKwh": 161.83 }, { "month": 12, "averageDailyKwh": 19.35, "monthlyKwh": 599.86, "variabilityKwh": 147.45 } ] }, { "city_id": "split", "city": "Split", "latitude": 43.5081, "longitude": 16.4402, "forecast": { "cityId": "split", "name": "Split", "lat": 43.5081, "lon": 16.4402, "timezone": "Europe/Zagreb", "featured": true, "targetDate": "2026-08-05", "expectedKwh": 52.2, "lowKwh": 45.9, "highKwh": 56.4, "bestWindowStart": "2026-08-05T12:00:00+02:00", "bestWindowEnd": "2026-08-05T16:00:00+02:00", "confidence": "high", "fetchedAt": "2026-08-04T18:53:42.798038Z", "freshness": "fresh", "stale": false }, "typical_annual_kwh": 14924.72, "typical_monthly": [ { "month": 1, "averageDailyKwh": 28.1, "monthlyKwh": 870.99, "variabilityKwh": 153.59 }, { "month": 2, "averageDailyKwh": 33.52, "monthlyKwh": 938.47, "variabilityKwh": 147.83 }, { "month": 3, "averageDailyKwh": 41.58, "monthlyKwh": 1288.9, "variabilityKwh": 196.76 }, { "month": 4, "averageDailyKwh": 46.56, "monthlyKwh": 1396.86, "variabilityKwh": 132.01 }, { "month": 5, "averageDailyKwh": 48.08, "monthlyKwh": 1490.35, "variabilityKwh": 129.31 }, { "month": 6, "averageDailyKwh": 51.32, "monthlyKwh": 1539.64, "variabilityKwh": 84.95 }, { "month": 7, "averageDailyKwh": 54.13, "monthlyKwh": 1678, "variabilityKwh": 69.13 }, { "month": 8, "averageDailyKwh": 52.17, "monthlyKwh": 1617.4, "variabilityKwh": 90.45 }, { "month": 9, "averageDailyKwh": 45.88, "monthlyKwh": 1376.5, "variabilityKwh": 72.3 }, { "month": 10, "averageDailyKwh": 37.96, "monthlyKwh": 1176.86, "variabilityKwh": 113 }, { "month": 11, "averageDailyKwh": 26.08, "monthlyKwh": 782.38, "variabilityKwh": 149.15 }, { "month": 12, "averageDailyKwh": 24.79, "monthlyKwh": 768.37, "variabilityKwh": 161.68 } ] }, { "city_id": "zagreb", "city": "Zagreb", "latitude": 45.815, "longitude": 15.9819, "forecast": { "cityId": "zagreb", "name": "Zagreb", "lat": 45.815, "lon": 15.9819, "timezone": "Europe/Zagreb", "featured": true, "targetDate": "2026-08-05", "expectedKwh": 55.2, "lowKwh": 48.6, "highKwh": 56.7, "bestWindowStart": "2026-08-05T12:00:00+02:00", "bestWindowEnd": "2026-08-05T16:00:00+02:00", "confidence": "high", "fetchedAt": "2026-08-04T18:53:42.768365Z", "freshness": "fresh", "stale": false }, "typical_annual_kwh": 12344.18, "typical_monthly": [ { "month": 1, "averageDailyKwh": 18.98, "monthlyKwh": 588.46, "variabilityKwh": 164.48 }, { "month": 2, "averageDailyKwh": 25.8, "monthlyKwh": 722.52, "variabilityKwh": 182.85 }, { "month": 3, "averageDailyKwh": 35.72, "monthlyKwh": 1107.38, "variabilityKwh": 194.12 }, { "month": 4, "averageDailyKwh": 42.12, "monthlyKwh": 1263.59, "variabilityKwh": 158 }, { "month": 5, "averageDailyKwh": 42.84, "monthlyKwh": 1328.12, "variabilityKwh": 154.6 }, { "month": 6, "averageDailyKwh": 47.04, "monthlyKwh": 1411.31, "variabilityKwh": 101.21 }, { "month": 7, "averageDailyKwh": 47.24, "monthlyKwh": 1464.45, "variabilityKwh": 89.35 }, { "month": 8, "averageDailyKwh": 45.14, "monthlyKwh": 1399.46, "variabilityKwh": 152.27 }, { "month": 9, "averageDailyKwh": 38.01, "monthlyKwh": 1140.22, "variabilityKwh": 179.8 }, { "month": 10, "averageDailyKwh": 29.92, "monthlyKwh": 927.45, "variabilityKwh": 139.09 }, { "month": 11, "averageDailyKwh": 17.83, "monthlyKwh": 534.9, "variabilityKwh": 113.93 }, { "month": 12, "averageDailyKwh": 14.72, "monthlyKwh": 456.3, "variabilityKwh": 117.37 } ] }, { "city_id": "dubrovnik", "city": "Dubrovnik", "latitude": 42.6412, "longitude": 18.1091, "forecast": { "cityId": "dubrovnik", "name": "Dubrovnik", "lat": 42.6412, "lon": 18.1091, "timezone": "Europe/Zagreb", "featured": false, "targetDate": "2026-08-05", "expectedKwh": 51.7, "lowKwh": 43.6, "highKwh": 56.6, "bestWindowStart": "2026-08-05T12:00:00+02:00", "bestWindowEnd": "2026-08-05T16:00:00+02:00", "confidence": "high", "fetchedAt": "2026-08-04T18:53:42.830142Z", "freshness": "fresh", "stale": false }, "typical_annual_kwh": 14412.14, "typical_monthly": [ { "month": 1, "averageDailyKwh": 25.77, "monthlyKwh": 798.83, "variabilityKwh": 140.11 }, { "month": 2, "averageDailyKwh": 31.09, "monthlyKwh": 870.44, "variabilityKwh": 169.79 }, { "month": 3, "averageDailyKwh": 38.13, "monthlyKwh": 1182.07, "variabilityKwh": 188.87 }, { "month": 4, "averageDailyKwh": 44.6, "monthlyKwh": 1338.12, "variabilityKwh": 135.1 }, { "month": 5, "averageDailyKwh": 47.21, "monthlyKwh": 1463.48, "variabilityKwh": 116.62 }, { "month": 6, "averageDailyKwh": 50.72, "monthlyKwh": 1521.55, "variabilityKwh": 87.78 }, { "month": 7, "averageDailyKwh": 53.19, "monthlyKwh": 1648.93, "variabilityKwh": 64 }, { "month": 8, "averageDailyKwh": 51.75, "monthlyKwh": 1604.15, "variabilityKwh": 70.79 }, { "month": 9, "averageDailyKwh": 44.89, "monthlyKwh": 1346.62, "variabilityKwh": 68.3 }, { "month": 10, "averageDailyKwh": 36.72, "monthlyKwh": 1138.41, "variabilityKwh": 124.5 }, { "month": 11, "averageDailyKwh": 25.36, "monthlyKwh": 760.68, "variabilityKwh": 148.18 }, { "month": 12, "averageDailyKwh": 23.83, "monthlyKwh": 738.86, "variabilityKwh": 182.42 } ] }, { "city_id": "osijek", "city": "Osijek", "latitude": 45.5507, "longitude": 18.6942, "forecast": { "cityId": "osijek", "name": "Osijek", "lat": 45.5507, "lon": 18.6942, "timezone": "Europe/Zagreb", "featured": false, "targetDate": "2026-08-05", "expectedKwh": 53.9, "lowKwh": 47.4, "highKwh": 55.9, "bestWindowStart": "2026-08-05T11:00:00+02:00", "bestWindowEnd": "2026-08-05T15:00:00+02:00", "confidence": "high", "fetchedAt": "2026-08-04T18:53:42.888310Z", "freshness": "fresh", "stale": false }, "typical_annual_kwh": 12589.22, "typical_monthly": [ { "month": 1, "averageDailyKwh": 18.19, "monthlyKwh": 563.95, "variabilityKwh": 143.6 }, { "month": 2, "averageDailyKwh": 24.69, "monthlyKwh": 691.38, "variabilityKwh": 170.81 }, { "month": 3, "averageDailyKwh": 35.07, "monthlyKwh": 1087.32, "variabilityKwh": 178.06 }, { "month": 4, "averageDailyKwh": 42.59, "monthlyKwh": 1277.61, "variabilityKwh": 151.99 }, { "month": 5, "averageDailyKwh": 43.71, "monthlyKwh": 1355.1, "variabilityKwh": 132.58 }, { "month": 6, "averageDailyKwh": 46.44, "monthlyKwh": 1393.28, "variabilityKwh": 115.92 }, { "month": 7, "averageDailyKwh": 48.2, "monthlyKwh": 1494.27, "variabilityKwh": 95.52 }, { "month": 8, "averageDailyKwh": 46.26, "monthlyKwh": 1434.07, "variabilityKwh": 142.34 }, { "month": 9, "averageDailyKwh": 39.12, "monthlyKwh": 1173.7, "variabilityKwh": 156.34 }, { "month": 10, "averageDailyKwh": 32.52, "monthlyKwh": 1007.98, "variabilityKwh": 130.22 }, { "month": 11, "averageDailyKwh": 21.14, "monthlyKwh": 634.05, "variabilityKwh": 105.88 }, { "month": 12, "averageDailyKwh": 15.37, "monthlyKwh": 476.51, "variabilityKwh": 111.43 } ] } ], "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/" }