How much will solar panels produce in Havířov?

A 6 kWp system facing south at 35° tilt in Havířov produces about 6,552 kWh a year. In a weak year that is 5,463 kWh, in a good one 7,641 kWh — 1,092 kWh per kWp.

That’s about 218% of a typical home’s yearly use (3,000 kWh).

Calculate for my roof

Based on 2014–2023 satellite weather data

Production by month

05001,0001,500JanJanuary: 6 kWp 209 kWh, range 163–256FebFebruary: 6 kWp 322 kWh, range 228–415MarMarch: 6 kWp 540 kWh, range 407–674AprApril: 6 kWp 650 kWh, range 490–811MayMay: 6 kWp 724 kWh, range 556–892JunJune: 6 kWp 835 kWh, range 647–1,023JulJuly: 6 kWp 825 kWh, range 686–964AugAugust: 6 kWp 797 kWh, range 645–949SepSeptember: 6 kWp 620 kWh, range 485–755OctOctober: 6 kWp 464 kWh, range 317–611NovNovember: 6 kWp 274 kWh, range 201–348DecDecember: 6 kWp 165 kWh, range 99–230

kWh per month

A typical day in June

The sunniest month in Havířov. Output peaks around 11:00 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 163 209 256
February 228 322 415
March 407 540 674
April 490 650 811
May 556 724 892
June 647 835 1,023
July 686 825 964
August 645 797 949
September 485 620 755
October 317 464 611
November 201 274 348
December 99 165 230
Year 5,463 6,552 7,641

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 Havířov?

From November to February the system produces about 970 kWh, which is 15% of the year. The weakest month (December) gives roughly 165 kWh.

Is an east-west roof worth it in Havířov?

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 Havířov

Ground mount or roof in Havířov?

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 Havířov

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

All cities in Czechia

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