How much will solar panels produce in Ústí nad Labem?

A 6 kWp system facing south at 35° tilt in Ústí nad Labem produces about 6,007 kWh a year. In a weak year that is 4,996 kWh, in a good one 7,019 kWh — 1,001 kWh per kWp.

That’s about 200% of a typical home’s yearly use (3,000 kWh).

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Based on 2014–2023 satellite weather data

Production by month

05001,0001,500JanJanuary: 6 kWp 133 kWh, range 96–169FebFebruary: 6 kWp 295 kWh, range 227–363MarMarch: 6 kWp 501 kWh, range 389–613AprApril: 6 kWp 643 kWh, range 463–822MayMay: 6 kWp 817 kWh, range 627–1,008JunJune: 6 kWp 807 kWh, range 651–962JulJuly: 6 kWp 826 kWh, range 688–964AugAugust: 6 kWp 758 kWh, range 614–902SepSeptember: 6 kWp 597 kWh, range 466–729OctOctober: 6 kWp 344 kWh, range 227–460NovNovember: 6 kWp 153 kWh, range 94–212DecDecember: 6 kWp 99 kWh, range 72–126

kWh per month

A typical day in July

The sunniest month in Ústí nad Labem. Output peaks around 11:00 solar time, at about 3.2 kWh in the best hour.

0:006:0012:0018:0023:00 3.2 0

Month by month

Month Weak year, kWh Typical year, kWh Good year, kWh
January 96 133 169
February 227 295 363
March 389 501 613
April 463 643 822
May 627 817 1,008
June 651 807 962
July 688 826 964
August 614 758 902
September 466 597 729
October 227 344 460
November 94 153 212
December 72 99 126
Year 4,996 6,007 7,019

The months don’t add up exactly to the yearly figure, because each one is the typical value across many years.

Common questions

How much do solar panels produce in winter in Ústí nad Labem?

From November to February the system produces about 680 kWh, which is 11% of the year. The weakest month (December) gives roughly 99 kWh.

Is an east-west roof worth it in Ústí nad Labem?

An east-west system typically produces 10–25% less per kWp than one facing south, but spreads production more evenly through the day. The exact difference depends on tilt and shading.

Compare an east-west roof for Ústí nad Labem

Ground mount or roof in Ústí nad Labem?

A ground mount can be tilted and aimed freely, which can add some yield, but it costs more and needs space. Compare both for your own plot.

Check a ground-mounted system in Ústí nad Labem

Your roof is not an average roof

Set your own tilt, direction, shading and inverter limit and get a range for your address.

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Climate data: Photovoltaic Geographical Information System (PVGIS) — European Commission, Joint Research Centre