Keskustori, Tampereen joukkoliikenne

Finland · 10 kWp reference system

Tampere solar forecast

Photo: Brylie Oxley, CC0. Cropped, resized and converted to WebP by GridPassport.

Wednesday, August 5, 2026

About 5.3 kWh tomorrow

For a standard 10 kWp south-facing system in Tampere, GridPassport estimates 5.3 kWh on Wednesday, August 5, 2026, with a likely range of 3.4-7.3 kWh. The strongest production window is expected at 08:00-12:00 local time.

Updated Aug 4, 2026, 09:53 PM GMT+3 · fresh snapshot
Likely range
3.4-7.3 kWh
Strongest window
08:00-12:00
Confidence
medium
Forecast my solar output

Typical year

Solar production month by month in Tampere

A standard 10 kWp system produces about 8,694 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 Tampere's solar profile different? The typical annual yield is about 869 kWh per installed kWp, ranking Tampere #4 of 6 modelled locations in Finland. That is 1% below the median of the 6 Finland locations in this dataset. May is typically the strongest month and December the weakest; the stronger month produces about 23.2 times as much.

See the 12-month data
MonthMonthly outputDaily averageYear-to-year variation
MonthJanuary Monthly output125 kWh Daily average4.0 kWh/day Year-to-year variation±47 kWh
MonthFebruary Monthly output339 kWh Daily average12.1 kWh/day Year-to-year variation±87 kWh
MonthMarch Monthly output836 kWh Daily average27.0 kWh/day Year-to-year variation±166 kWh
MonthApril Monthly output1,090 kWh Daily average36.3 kWh/day Year-to-year variation±177 kWh
MonthMay Monthly output1,339 kWh Daily average43.2 kWh/day Year-to-year variation±159 kWh
MonthJune Monthly output1,333 kWh Daily average44.4 kWh/day Year-to-year variation±137 kWh
MonthJuly Monthly output1,293 kWh Daily average41.7 kWh/day Year-to-year variation±161 kWh
MonthAugust Monthly output1,090 kWh Daily average35.2 kWh/day Year-to-year variation±136 kWh
MonthSeptember Monthly output686 kWh Daily average22.9 kWh/day Year-to-year variation±94 kWh
MonthOctober Monthly output389 kWh Daily average12.6 kWh/day Year-to-year variation±112 kWh
MonthNovember Monthly output116 kWh Daily average3.9 kWh/day Year-to-year variation±40 kWh
MonthDecember Monthly output58 kWh Daily average1.9 kWh/day Year-to-year variation±19 kWh

Nearby solar forecasts

Compare Tampere 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.