Office, residential and hotel buildings including The Mercian and Bank II residential towers.

United Kingdom · 10 kWp reference system

Birmingham solar forecast

Photo: Stephen JG, CC BY-SA 2.0. Cropped, resized and converted to WebP by GridPassport.

Wednesday, August 5, 2026

About 37.3 kWh tomorrow

For a standard 10 kWp south-facing system in Birmingham, GridPassport estimates 37.3 kWh on Wednesday, August 5, 2026, with a likely range of 26.6-47.1 kWh. The strongest production window is expected at 09:00-13:00 local time.

Updated Aug 4, 2026, 07:53 PM GMT+1 · fresh snapshot
Likely range
26.6-47.1 kWh
Strongest window
09:00-13:00
Confidence
medium
Forecast my solar output

Typical year

Solar production month by month in Birmingham

A standard 10 kWp system produces about 9,679 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 Birmingham's solar profile different? The typical annual yield is about 968 kWh per installed kWp, ranking Birmingham #4 of 12 modelled locations in United Kingdom. That is 2% above the median of the 12 United Kingdom locations in this dataset. July is typically the strongest month and December the weakest; the stronger month produces about 3.6 times as much.

See the 12-month data
MonthMonthly outputDaily averageYear-to-year variation
MonthJanuary Monthly output372 kWh Daily average12.0 kWh/day Year-to-year variation±58 kWh
MonthFebruary Monthly output516 kWh Daily average18.4 kWh/day Year-to-year variation±102 kWh
MonthMarch Monthly output841 kWh Daily average27.1 kWh/day Year-to-year variation±144 kWh
MonthApril Monthly output1,082 kWh Daily average36.1 kWh/day Year-to-year variation±167 kWh
MonthMay Monthly output1,173 kWh Daily average37.8 kWh/day Year-to-year variation±136 kWh
MonthJune Monthly output1,170 kWh Daily average39.0 kWh/day Year-to-year variation±133 kWh
MonthJuly Monthly output1,181 kWh Daily average38.1 kWh/day Year-to-year variation±134 kWh
MonthAugust Monthly output1,062 kWh Daily average34.2 kWh/day Year-to-year variation±103 kWh
MonthSeptember Monthly output901 kWh Daily average30.0 kWh/day Year-to-year variation±77 kWh
MonthOctober Monthly output628 kWh Daily average20.3 kWh/day Year-to-year variation±85 kWh
MonthNovember Monthly output423 kWh Daily average14.1 kWh/day Year-to-year variation±76 kWh
MonthDecember Monthly output331 kWh Daily average10.7 kWh/day Year-to-year variation±64 kWh

Nearby solar forecasts

Compare Birmingham 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.