Town hall and belfry of Charleroi - vue from the Charles II Square.

Belgium · 10 kWp reference system

Charleroi solar forecast

Photo: Jmh2o, CC BY-SA 4.0. Cropped, resized and converted to WebP by GridPassport.

Wednesday, August 5, 2026

About 23.9 kWh tomorrow

For a standard 10 kWp south-facing system in Charleroi, GridPassport estimates 23.9 kWh on Wednesday, August 5, 2026, with a likely range of 15.6-30.6 kWh. The strongest production window is expected at 10:00-14:00 local time.

Updated Aug 4, 2026, 08:53 PM GMT+2 · fresh snapshot
Likely range
15.6-30.6 kWh
Strongest window
10:00-14:00
Confidence
medium
Forecast my solar output

Typical year

Solar production month by month in Charleroi

A standard 10 kWp system produces about 10,480 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 Charleroi's solar profile different? The typical annual yield is about 1,048 kWh per installed kWp, ranking Charleroi #4 of 8 modelled locations in Belgium. That is close to the median of the 8 Belgium locations in this dataset. May is typically the strongest month and December the weakest; the stronger month produces about 4.0 times as much.

See the 12-month data
MonthMonthly outputDaily averageYear-to-year variation
MonthJanuary Monthly output373 kWh Daily average12.0 kWh/day Year-to-year variation±72 kWh
MonthFebruary Monthly output551 kWh Daily average19.7 kWh/day Year-to-year variation±153 kWh
MonthMarch Monthly output917 kWh Daily average29.6 kWh/day Year-to-year variation±182 kWh
MonthApril Monthly output1,195 kWh Daily average39.8 kWh/day Year-to-year variation±178 kWh
MonthMay Monthly output1,264 kWh Daily average40.8 kWh/day Year-to-year variation±179 kWh
MonthJune Monthly output1,257 kWh Daily average41.9 kWh/day Year-to-year variation±160 kWh
MonthJuly Monthly output1,263 kWh Daily average40.7 kWh/day Year-to-year variation±160 kWh
MonthAugust Monthly output1,161 kWh Daily average37.4 kWh/day Year-to-year variation±134 kWh
MonthSeptember Monthly output1,011 kWh Daily average33.7 kWh/day Year-to-year variation±78 kWh
MonthOctober Monthly output731 kWh Daily average23.6 kWh/day Year-to-year variation±87 kWh
MonthNovember Monthly output439 kWh Daily average14.6 kWh/day Year-to-year variation±102 kWh
MonthDecember Monthly output318 kWh Daily average10.3 kWh/day Year-to-year variation±103 kWh

Nearby solar forecasts

Compare Charleroi 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.