Across 10 modelled locations in Poland, a standard 10 kWp south-facing system produces about 10,550 kWh in a typical year on average. Tomorrow's weather-based city forecasts range from 35.5 to 53.1 kWh for the same reference setup.

Forecast for Wednesday, August 5, 2026 · Updated Aug 4, 2026, 06:53 PM UTC · City samples, not a national production forecast

Tomorrow in Poland

One system. Different local weather.

Using the same installation in every location isolates the effect of weather and geography. Enter your own roof on any city page for a personal estimate.

City average

43.6 kWh

Lowest city estimate

35.5 kWh

Highest city estimate

53.1 kWh

Representative locations

Solar forecasts for major cities in Poland

Gdańsk42.3 kWh tomorrow Kraków50.9 kWh tomorrow Warsaw45.1 kWh tomorrow

Typical year

Monthly solar production across Poland

The bars average the 10 city reference points. Typical annual output ranges from about 10,051 to 10,899 kWh for the 10 kWp setup. Of the locations modelled, Wrocław has the highest typical annual output and Szczecin the lowest.

339 Jan

516 Feb

908 Mar

1196 Apr

1300 May

1325 Jun

1318 Jul

1239 Aug

1032 Sep

730 Oct

368 Nov

279 Dec

January339 kWh

February516 kWh

March908 kWh

April1,196 kWh

May1,300 kWh

June1,325 kWh

July1,318 kWh

August1,239 kWh

September1,032 kWh

October730 kWh

November368 kWh

December279 kWh

Typical monthly profiles use the European Commission JRC PVGIS multi-year climate series.

Local profiles

All 10 Poland city forecasts

Białystok10,153 kWh typical year 37.8 kWh tomorrow Gdańsk10,516 kWh typical year 42.3 kWh tomorrow Katowice10,629 kWh typical year 53.1 kWh tomorrow Kraków10,826 kWh typical year 50.9 kWh tomorrow Łódź10,591 kWh typical year 36.7 kWh tomorrow Lublin10,795 kWh typical year 45.1 kWh tomorrow Poznań10,540 kWh typical year 35.5 kWh tomorrow Szczecin10,051 kWh typical year 39.3 kWh tomorrow Warsaw10,502 kWh typical year 45.1 kWh tomorrow Wrocław10,899 kWh typical year 50.5 kWh tomorrow

Use the data

Download the country snapshot or inspect the assumptions, sources, uncertainty ranges and refresh rules.

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