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Croatia · 10 kWp reference system

Osijek solar forecast

Photo: Roko Poljak, CC BY-SA 4.0. Cropped, resized and converted to WebP by GridPassport.

Wednesday, August 5, 2026

About 53.9 kWh tomorrow

For a standard 10 kWp south-facing system in Osijek, GridPassport estimates 53.9 kWh on Wednesday, August 5, 2026, with a likely range of 47.4-55.9 kWh. The strongest production window is expected at 11:00-15:00 local time.

Updated Aug 4, 2026, 08:53 PM GMT+2 · fresh snapshot
Likely range
47.4-55.9 kWh
Strongest window
11:00-15:00
Confidence
high
Forecast my solar output

Typical year

Solar production month by month in Osijek

A standard 10 kWp system produces about 12,589 kWh in a typical year at this location. Monthly averages show seasonality; they are not a forecast for a specific year.

Values are kWh per month. Source: European Commission JRC PVGIS.

What makes Osijek's solar profile different? The typical annual yield is about 1,259 kWh per installed kWp, ranking Osijek #4 of 5 modelled locations in Croatia. That is 3% below the median of the 5 Croatia locations in this dataset. July is typically the strongest month and December the weakest; the stronger month produces about 3.1 times as much.

See the 12-month data
MonthMonthly outputDaily averageYear-to-year variation
MonthJanuary Monthly output564 kWh Daily average18.2 kWh/day Year-to-year variation±144 kWh
MonthFebruary Monthly output691 kWh Daily average24.7 kWh/day Year-to-year variation±171 kWh
MonthMarch Monthly output1,087 kWh Daily average35.1 kWh/day Year-to-year variation±178 kWh
MonthApril Monthly output1,278 kWh Daily average42.6 kWh/day Year-to-year variation±152 kWh
MonthMay Monthly output1,355 kWh Daily average43.7 kWh/day Year-to-year variation±133 kWh
MonthJune Monthly output1,393 kWh Daily average46.4 kWh/day Year-to-year variation±116 kWh
MonthJuly Monthly output1,494 kWh Daily average48.2 kWh/day Year-to-year variation±96 kWh
MonthAugust Monthly output1,434 kWh Daily average46.3 kWh/day Year-to-year variation±142 kWh
MonthSeptember Monthly output1,174 kWh Daily average39.1 kWh/day Year-to-year variation±156 kWh
MonthOctober Monthly output1,008 kWh Daily average32.5 kWh/day Year-to-year variation±130 kWh
MonthNovember Monthly output634 kWh Daily average21.1 kWh/day Year-to-year variation±106 kWh
MonthDecember Monthly output477 kWh Daily average15.4 kWh/day Year-to-year variation±111 kWh

Nearby solar forecasts

Compare Osijek with nearby cities

PécsHungary 54.1 kWh Novi SadSerbia 53.5 kWh SuboticaSerbia 53.6 kWh

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Method and data

Every city uses a 10 kWp system facing south at 35 degrees with 14% system losses. Tomorrow's figure combines hourly weather with GridPassport's PV production and uncertainty model. The monthly profile uses the European Commission JRC PVGIS multi-year climate series. Roof direction, shade, snow, dirt, inverter clipping and local weather can change real output.

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