View of Vilnius, Lithuania

Lithuania · 10 kWp reference system

Vilnius solar forecast

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

Wednesday, August 5, 2026

About 44.1 kWh tomorrow

For a standard 10 kWp south-facing system in Vilnius, GridPassport estimates 44.1 kWh on Wednesday, August 5, 2026, with a likely range of 35.3-51.2 kWh. The strongest production window is expected at 13:00-17:00 local time.

Updated Aug 4, 2026, 09:53 PM GMT+3 · fresh snapshot
Likely range
35.3-51.2 kWh
Strongest window
13:00-17:00
Confidence
medium
Forecast my solar output

Typical year

Solar production month by month in Vilnius

A standard 10 kWp system produces about 9,794 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 Vilnius's solar profile different? The typical annual yield is about 979 kWh per installed kWp, ranking Vilnius #4 of 4 modelled locations in Lithuania. That is 1% below 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 8.4 times as much.

See the 12-month data
MonthMonthly outputDaily averageYear-to-year variation
MonthJanuary Monthly output267 kWh Daily average8.6 kWh/day Year-to-year variation±90 kWh
MonthFebruary Monthly output479 kWh Daily average17.1 kWh/day Year-to-year variation±115 kWh
MonthMarch Monthly output872 kWh Daily average28.1 kWh/day Year-to-year variation±211 kWh
MonthApril Monthly output1,139 kWh Daily average38.0 kWh/day Year-to-year variation±172 kWh
MonthMay Monthly output1,313 kWh Daily average42.4 kWh/day Year-to-year variation±179 kWh
MonthJune Monthly output1,343 kWh Daily average44.8 kWh/day Year-to-year variation±135 kWh
MonthJuly Monthly output1,300 kWh Daily average41.9 kWh/day Year-to-year variation±136 kWh
MonthAugust Monthly output1,193 kWh Daily average38.5 kWh/day Year-to-year variation±145 kWh
MonthSeptember Monthly output930 kWh Daily average31.0 kWh/day Year-to-year variation±142 kWh
MonthOctober Monthly output584 kWh Daily average18.8 kWh/day Year-to-year variation±170 kWh
MonthNovember Monthly output216 kWh Daily average7.2 kWh/day Year-to-year variation±46 kWh
MonthDecember Monthly output159 kWh Daily average5.1 kWh/day Year-to-year variation±42 kWh

Nearby solar forecasts

Compare Vilnius 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.