Kaunas Old Town

Lithuania · 10 kWp reference system

Kaunas solar forecast

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

Wednesday, August 5, 2026

About 42.3 kWh tomorrow

For a standard 10 kWp south-facing system in Kaunas, GridPassport estimates 42.3 kWh on Wednesday, August 5, 2026, with a likely range of 33.2-50.2 kWh. The strongest production window is expected at 11:00-15:00 local time.

Updated Aug 4, 2026, 09:53 PM GMT+3 · fresh snapshot
Likely range
33.2-50.2 kWh
Strongest window
11:00-15:00
Confidence
medium
Forecast my solar output

Typical year

Solar production month by month in Kaunas

A standard 10 kWp system produces about 9,937 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 Kaunas's solar profile different? The typical annual yield is about 994 kWh per installed kWp, ranking Kaunas #2 of 4 modelled locations in Lithuania. That is close to the median of the 4 Lithuania locations in this dataset. June is typically the strongest month and December the weakest; the stronger month produces about 8.5 times as much.

See the 12-month data
MonthMonthly outputDaily averageYear-to-year variation
MonthJanuary Monthly output259 kWh Daily average8.4 kWh/day Year-to-year variation±86 kWh
MonthFebruary Monthly output474 kWh Daily average16.9 kWh/day Year-to-year variation±99 kWh
MonthMarch Monthly output860 kWh Daily average27.8 kWh/day Year-to-year variation±194 kWh
MonthApril Monthly output1,170 kWh Daily average39.0 kWh/day Year-to-year variation±177 kWh
MonthMay Monthly output1,347 kWh Daily average43.4 kWh/day Year-to-year variation±179 kWh
MonthJune Monthly output1,350 kWh Daily average45.0 kWh/day Year-to-year variation±144 kWh
MonthJuly Monthly output1,317 kWh Daily average42.5 kWh/day Year-to-year variation±134 kWh
MonthAugust Monthly output1,201 kWh Daily average38.7 kWh/day Year-to-year variation±149 kWh
MonthSeptember Monthly output969 kWh Daily average32.3 kWh/day Year-to-year variation±141 kWh
MonthOctober Monthly output602 kWh Daily average19.4 kWh/day Year-to-year variation±152 kWh
MonthNovember Monthly output230 kWh Daily average7.7 kWh/day Year-to-year variation±42 kWh
MonthDecember Monthly output159 kWh Daily average5.1 kWh/day Year-to-year variation±37 kWh

Nearby solar forecasts

Compare Kaunas 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.