How much will solar panels produce in Klagenfurt?

A 6 kWp system facing south at 35° tilt in Klagenfurt produces about 7,392 kWh a year. In a weak year that is 6,167 kWh, in a good one 8,617 kWh — 1,232 kWh per kWp.

That’s about 185% of a typical home’s yearly use (4,000 kWh).

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Based on 2014–2023 satellite weather data

Production by month

05001,0001,500JanJanuary: 6 kWp 355 kWh, range 247–464FebFebruary: 6 kWp 521 kWh, range 365–676MarMarch: 6 kWp 688 kWh, range 524–853AprApril: 6 kWp 739 kWh, range 587–892MayMay: 6 kWp 754 kWh, range 616–893JunJune: 6 kWp 838 kWh, range 667–1,008JulJuly: 6 kWp 875 kWh, range 727–1,023AugAugust: 6 kWp 833 kWh, range 689–978SepSeptember: 6 kWp 694 kWh, range 522–865OctOctober: 6 kWp 517 kWh, range 381–653NovNovember: 6 kWp 283 kWh, range 183–383DecDecember: 6 kWp 264 kWh, range 159–369

kWh per month

A typical day in July

The sunniest month in Klagenfurt. Output peaks around 11:00 solar time, at about 3.6 kWh in the best hour.

0:006:0012:0018:0023:00 3.6 0

Month by month

Month Weak year, kWh Typical year, kWh Good year, kWh
January 247 355 464
February 365 521 676
March 524 688 853
April 587 739 892
May 616 754 893
June 667 838 1,008
July 727 875 1,023
August 689 833 978
September 522 694 865
October 381 517 653
November 183 283 383
December 159 264 369
Year 6,167 7,392 8,617

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 Klagenfurt?

From November to February the system produces about 1,423 kWh, which is 19% of the year. The weakest month (December) gives roughly 264 kWh.

Is an east-west roof worth it in Klagenfurt?

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 Klagenfurt

Ground mount or roof in Klagenfurt?

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 Klagenfurt

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