собор Кафедральний , Львів , Катедральна пл., 1

Ukraine · 10 kWp reference system

Lviv solar forecast

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

Wednesday, August 5, 2026

About 53.7 kWh tomorrow

For a standard 10 kWp south-facing system in Lviv, GridPassport estimates 53.7 kWh on Wednesday, August 5, 2026, with a likely range of 47.2-55.4 kWh. The strongest production window is expected at 12:00-16:00 local time.

Updated Aug 4, 2026, 09:53 PM GMT+3 · fresh snapshot
Likely range
47.2-55.4 kWh
Strongest window
12:00-16:00
Confidence
high
Forecast my solar output

Typical year

Solar production month by month in Lviv

A standard 10 kWp system produces about 10,836 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 Lviv's solar profile different? The typical annual yield is about 1,084 kWh per installed kWp, ranking Lviv #8 of 8 modelled locations in Ukraine. That is 5% below the median of the 8 Ukraine locations in this dataset. July is typically the strongest month and December the weakest; the stronger month produces about 4.2 times as much.

See the 12-month data
MonthMonthly outputDaily averageYear-to-year variation
MonthJanuary Monthly output389 kWh Daily average12.5 kWh/day Year-to-year variation±92 kWh
MonthFebruary Monthly output562 kWh Daily average20.1 kWh/day Year-to-year variation±109 kWh
MonthMarch Monthly output929 kWh Daily average30.0 kWh/day Year-to-year variation±147 kWh
MonthApril Monthly output1,144 kWh Daily average38.1 kWh/day Year-to-year variation±159 kWh
MonthMay Monthly output1,254 kWh Daily average40.4 kWh/day Year-to-year variation±165 kWh
MonthJune Monthly output1,274 kWh Daily average42.5 kWh/day Year-to-year variation±114 kWh
MonthJuly Monthly output1,335 kWh Daily average43.1 kWh/day Year-to-year variation±88 kWh
MonthAugust Monthly output1,311 kWh Daily average42.3 kWh/day Year-to-year variation±128 kWh
MonthSeptember Monthly output1,066 kWh Daily average35.5 kWh/day Year-to-year variation±175 kWh
MonthOctober Monthly output827 kWh Daily average26.7 kWh/day Year-to-year variation±167 kWh
MonthNovember Monthly output428 kWh Daily average14.3 kWh/day Year-to-year variation±72 kWh
MonthDecember Monthly output319 kWh Daily average10.3 kWh/day Year-to-year variation±113 kWh

Nearby solar forecasts

Compare Lviv 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.