How much will solar panels produce in Žilina?

A 6 kWp system facing south at 35° tilt in Žilina produces about 6,523 kWh a year. In a weak year that is 5,450 kWh, in a good one 7,596 kWh — 1,087 kWh per kWp.

That’s about 233% of a typical home’s yearly use (2,800 kWh).

Calculate for my roof

Based on 2014–2023 satellite weather data

Production by month

02505007501,000JanJanuary: 6 kWp 226 kWh, range 163–290FebFebruary: 6 kWp 359 kWh, range 275–444MarMarch: 6 kWp 576 kWh, range 451–701AprApril: 6 kWp 642 kWh, range 487–798MayMay: 6 kWp 749 kWh, range 578–920JunJune: 6 kWp 818 kWh, range 639–997JulJuly: 6 kWp 809 kWh, range 666–952AugAugust: 6 kWp 798 kWh, range 650–947SepSeptember: 6 kWp 611 kWh, range 453–768OctOctober: 6 kWp 453 kWh, range 312–594NovNovember: 6 kWp 242 kWh, range 180–304DecDecember: 6 kWp 180 kWh, range 130–230

kWh per month

A typical day in June

The sunniest month in Žilina. Output peaks around 10:00 solar time, at about 3.4 kWh in the best hour.

0:006:0012:0018:0023:00 3.4 0

Month by month

Month Weak year, kWh Typical year, kWh Good year, kWh
January 163 226 290
February 275 359 444
March 451 576 701
April 487 642 798
May 578 749 920
June 639 818 997
July 666 809 952
August 650 798 947
September 453 611 768
October 312 453 594
November 180 242 304
December 130 180 230
Year 5,450 6,523 7,596

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 Žilina?

From November to February the system produces about 1,007 kWh, which is 16% of the year. The weakest month (December) gives roughly 180 kWh.

Is an east-west roof worth it in Žilina?

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 Žilina

Ground mount or roof in Žilina?

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 Žilina

Your roof is not an average roof

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

Calculate for my roof

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