Torri di Bologna

Italy · 10 kWp reference system

Bologna solar forecast

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

Wednesday, August 5, 2026

About 54.0 kWh tomorrow

For a standard 10 kWp south-facing system in Bologna, GridPassport estimates 54.0 kWh on Wednesday, August 5, 2026, with a likely range of 47.4-57.6 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
47.4-57.6 kWh
Strongest window
12:00-16:00
Confidence
high
Forecast my solar output

Typical year

Solar production month by month in Bologna

A standard 10 kWp system produces about 13,596 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 Bologna's solar profile different? The typical annual yield is about 1,360 kWh per installed kWp, ranking Bologna #9 of 10 modelled locations in Italy. That is 5% below the median of the 10 Italy locations in this dataset. July is typically the strongest month and December the weakest; the stronger month produces about 2.3 times as much.

See the 12-month data
MonthMonthly outputDaily averageYear-to-year variation
MonthJanuary Monthly output731 kWh Daily average23.6 kWh/day Year-to-year variation±172 kWh
MonthFebruary Monthly output878 kWh Daily average31.4 kWh/day Year-to-year variation±174 kWh
MonthMarch Monthly output1,204 kWh Daily average38.8 kWh/day Year-to-year variation±213 kWh
MonthApril Monthly output1,304 kWh Daily average43.5 kWh/day Year-to-year variation±153 kWh
MonthMay Monthly output1,396 kWh Daily average45.0 kWh/day Year-to-year variation±141 kWh
MonthJune Monthly output1,446 kWh Daily average48.2 kWh/day Year-to-year variation±104 kWh
MonthJuly Monthly output1,549 kWh Daily average50.0 kWh/day Year-to-year variation±90 kWh
MonthAugust Monthly output1,474 kWh Daily average47.6 kWh/day Year-to-year variation±98 kWh
MonthSeptember Monthly output1,259 kWh Daily average42.0 kWh/day Year-to-year variation±97 kWh
MonthOctober Monthly output1,017 kWh Daily average32.8 kWh/day Year-to-year variation±140 kWh
MonthNovember Monthly output673 kWh Daily average22.4 kWh/day Year-to-year variation±149 kWh
MonthDecember Monthly output664 kWh Daily average21.4 kWh/day Year-to-year variation±136 kWh

Nearby solar forecasts

Compare Bologna 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.