How much will solar panels produce in Plzeň?

A 6 kWp system facing south at 35° tilt in Plzeň produces about 6,590 kWh a year. In a weak year that is 5,475 kWh, in a good one 7,704 kWh — 1,098 kWh per kWp.

That’s about 220% 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 188 kWh, range 151–225FebFebruary: 6 kWp 348 kWh, range 255–440MarMarch: 6 kWp 555 kWh, range 420–690AprApril: 6 kWp 707 kWh, range 541–873MayMay: 6 kWp 783 kWh, range 621–945JunJune: 6 kWp 874 kWh, range 708–1,040JulJuly: 6 kWp 854 kWh, range 712–995AugAugust: 6 kWp 802 kWh, range 644–959SepSeptember: 6 kWp 633 kWh, range 496–771OctOctober: 6 kWp 444 kWh, range 322–566NovNovember: 6 kWp 216 kWh, range 158–275DecDecember: 6 kWp 166 kWh, range 111–220

kWh per month

A typical day in June

The sunniest month in Plzeň. 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 151 188 225
February 255 348 440
March 420 555 690
April 541 707 873
May 621 783 945
June 708 874 1,040
July 712 854 995
August 644 802 959
September 496 633 771
October 322 444 566
November 158 216 275
December 111 166 220
Year 5,475 6,590 7,704

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 Plzeň?

From November to February the system produces about 917 kWh, which is 14% of the year. The weakest month (December) gives roughly 166 kWh.

Is an east-west roof worth it in Plzeň?

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 Plzeň

Ground mount or roof in Plzeň?

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 Plzeň

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