How much will solar panels produce in Rzeszów?

A 6 kWp system facing south at 35° tilt in Rzeszów produces about 6,576 kWh a year. In a weak year that is 5,496 kWh, in a good one 7,657 kWh — 1,096 kWh per kWp.

That’s about 263% of a typical home’s yearly use (2,500 kWh).

Calculate for my roof

Based on 2014–2023 satellite weather data

Production by month

05001,0001,500JanJanuary: 6 kWp 198 kWh, range 116–279FebFebruary: 6 kWp 320 kWh, range 253–387MarMarch: 6 kWp 555 kWh, range 417–693AprApril: 6 kWp 646 kWh, range 479–812MayMay: 6 kWp 762 kWh, range 582–942JunJune: 6 kWp 846 kWh, range 675–1,018JulJuly: 6 kWp 827 kWh, range 690–964AugAugust: 6 kWp 851 kWh, range 683–1,020SepSeptember: 6 kWp 673 kWh, range 523–823OctOctober: 6 kWp 503 kWh, range 356–651NovNovember: 6 kWp 243 kWh, range 191–294DecDecember: 6 kWp 158 kWh, range 111–204

kWh per month

A typical day in August

The sunniest month in Rzeszów. Output peaks around 10:00 solar time, at about 3.5 kWh in the best hour.

0:006:0012:0018:0023:00 3.5 0

Month by month

Month Weak year, kWh Typical year, kWh Good year, kWh
January 116 198 279
February 253 320 387
March 417 555 693
April 479 646 812
May 582 762 942
June 675 846 1,018
July 690 827 964
August 683 851 1,020
September 523 673 823
October 356 503 651
November 191 243 294
December 111 158 204
Year 5,496 6,576 7,657

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 Rzeszów?

From November to February the system produces about 918 kWh, which is 14% of the year. The weakest month (December) gives roughly 158 kWh.

Is an east-west roof worth it in Rzeszów?

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 Rzeszów

Ground mount or roof in Rzeszów?

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 Rzeszów

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