How much will solar panels produce in Stuttgart?

A 8 kWp system facing south at 35° tilt in Stuttgart produces about 9,242 kWh a year. In a weak year that is 7,703 kWh, in a good one 10,782 kWh — 1,155 kWh per kWp.

That’s about 264% of a typical home’s yearly use (3,500 kWh).

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Based on 2014–2023 satellite weather data

Production by month

05001,0001,500JanJanuary: 8 kWp 324 kWh, range 232–415FebFebruary: 8 kWp 532 kWh, range 412–652MarMarch: 8 kWp 865 kWh, range 686–1,045AprApril: 8 kWp 952 kWh, range 724–1,180MayMay: 8 kWp 1,020 kWh, range 831–1,209JunJune: 8 kWp 1,152 kWh, range 899–1,405JulJuly: 8 kWp 1,137 kWh, range 916–1,358AugAugust: 8 kWp 1,067 kWh, range 868–1,266SepSeptember: 8 kWp 913 kWh, range 715–1,111OctOctober: 8 kWp 622 kWh, range 463–780NovNovember: 8 kWp 408 kWh, range 291–524DecDecember: 8 kWp 274 kWh, range 135–414

kWh per month

A typical day in June

The sunniest month in Stuttgart. Output peaks around 12:00 solar time, at about 4.5 kWh in the best hour.

0:006:0012:0018:0023:00 4.5 0

Month by month

Month Weak year, kWh Typical year, kWh Good year, kWh
January 232 324 415
February 412 532 652
March 686 865 1,045
April 724 952 1,180
May 831 1,020 1,209
June 899 1,152 1,405
July 916 1,137 1,358
August 868 1,067 1,266
September 715 913 1,111
October 463 622 780
November 291 408 524
December 135 274 414
Year 7,703 9,242 10,782

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 Stuttgart?

From November to February the system produces about 1,537 kWh, which is 17% of the year. The weakest month (December) gives roughly 274 kWh.

Is an east-west roof worth it in Stuttgart?

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 Stuttgart

Ground mount or roof in Stuttgart?

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 Stuttgart

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