How much will solar panels produce in Zielona Góra?

A 6 kWp system facing south at 35° tilt in Zielona Góra produces about 6,445 kWh a year. In a weak year that is 5,350 kWh, in a good one 7,541 kWh — 1,074 kWh per kWp.

That’s about 258% of a typical home’s yearly use (2,500 kWh).

Calculate for my roof

Based on 2014–2023 satellite weather data

Production by month

02505007501,000JanJanuary: 6 kWp 182 kWh, range 130–233FebFebruary: 6 kWp 334 kWh, range 243–426MarMarch: 6 kWp 531 kWh, range 397–665AprApril: 6 kWp 656 kWh, range 465–847MayMay: 6 kWp 811 kWh, range 636–985JunJune: 6 kWp 795 kWh, range 646–944JulJuly: 6 kWp 830 kWh, range 687–973AugAugust: 6 kWp 755 kWh, range 608–902SepSeptember: 6 kWp 627 kWh, range 504–751OctOctober: 6 kWp 433 kWh, range 315–551NovNovember: 6 kWp 229 kWh, range 178–280DecDecember: 6 kWp 139 kWh, range 83–195

kWh per month

A typical day in July

The sunniest month in Zielona Góra. 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 130 182 233
February 243 334 426
March 397 531 665
April 465 656 847
May 636 811 985
June 646 795 944
July 687 830 973
August 608 755 902
September 504 627 751
October 315 433 551
November 178 229 280
December 83 139 195
Year 5,350 6,445 7,541

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 Zielona Góra?

From November to February the system produces about 884 kWh, which is 14% of the year. The weakest month (December) gives roughly 139 kWh.

Is an east-west roof worth it in Zielona Góra?

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 Zielona Góra

Ground mount or roof in Zielona Góra?

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 Zielona Góra

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