Prague, panoramic view from Charles Bridge east tower

Czechia · 10 kWp reference system

Prague solar forecast

Photo: Moyan Brenn from Italy, CC BY 2.0. Cropped, resized and converted to WebP by GridPassport.

Wednesday, August 5, 2026

About 45.4 kWh tomorrow

For a standard 10 kWp south-facing system in Prague, GridPassport estimates 45.4 kWh on Wednesday, August 5, 2026, with a likely range of 32.5-52.4 kWh. The strongest production window is expected at 12:00-16:00 local time.

Updated Aug 4, 2026, 08:53 PM GMT+2 · fresh snapshot
Likely range
32.5-52.4 kWh
Strongest window
12:00-16:00
Confidence
medium
Forecast my solar output

Typical year

Solar production month by month in Prague

A standard 10 kWp system produces about 10,928 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 Prague's solar profile different? The typical annual yield is about 1,093 kWh per installed kWp, ranking Prague #3 of 6 modelled locations in Czechia. That is 1% above the median of the 6 Czechia locations in this dataset. July is typically the strongest month and December the weakest; the stronger month produces about 3.7 times as much.

See the 12-month data
MonthMonthly outputDaily averageYear-to-year variation
MonthJanuary Monthly output402 kWh Daily average13.0 kWh/day Year-to-year variation±76 kWh
MonthFebruary Monthly output609 kWh Daily average21.7 kWh/day Year-to-year variation±126 kWh
MonthMarch Monthly output958 kWh Daily average30.9 kWh/day Year-to-year variation±171 kWh
MonthApril Monthly output1,219 kWh Daily average40.6 kWh/day Year-to-year variation±181 kWh
MonthMay Monthly output1,295 kWh Daily average41.8 kWh/day Year-to-year variation±180 kWh
MonthJune Monthly output1,310 kWh Daily average43.7 kWh/day Year-to-year variation±117 kWh
MonthJuly Monthly output1,315 kWh Daily average42.4 kWh/day Year-to-year variation±115 kWh
MonthAugust Monthly output1,228 kWh Daily average39.6 kWh/day Year-to-year variation±106 kWh
MonthSeptember Monthly output1,054 kWh Daily average35.1 kWh/day Year-to-year variation±131 kWh
MonthOctober Monthly output763 kWh Daily average24.6 kWh/day Year-to-year variation±153 kWh
MonthNovember Monthly output415 kWh Daily average13.8 kWh/day Year-to-year variation±77 kWh
MonthDecember Monthly output360 kWh Daily average11.6 kWh/day Year-to-year variation±60 kWh

Nearby solar forecasts

Compare Prague with nearby cities

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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.