How much will solar panels produce in Vitória?

A 5 kWp system facing north at 35° tilt in Vitória produces about 7,947 kWh a year. In a weak year that is 6,662 kWh, in a good one 9,232 kWh — 1,589 kWh per kWp.

That’s about 397% of a typical home’s yearly use (2,000 kWh).

Calculate for my roof

Based on 2014–2023 satellite weather data

Production by month

02505007501,000JanJanuary: 5 kWp 715 kWh, range 571–859FebFebruary: 5 kWp 661 kWh, range 533–789MarMarch: 5 kWp 784 kWh, range 651–918AprApril: 5 kWp 693 kWh, range 554–831MayMay: 5 kWp 669 kWh, range 548–790JunJune: 5 kWp 623 kWh, range 512–734JulJuly: 5 kWp 668 kWh, range 546–790AugAugust: 5 kWp 727 kWh, range 597–858SepSeptember: 5 kWp 677 kWh, range 542–811OctOctober: 5 kWp 627 kWh, range 494–759NovNovember: 5 kWp 555 kWh, range 443–667DecDecember: 5 kWp 621 kWh, range 500–741

kWh per month

A typical day in March

The sunniest month in Vitória. Output peaks around 11:00 solar time, at about 2.8 kWh in the best hour.

0:006:0012:0018:0023:00 2.8 0

Month by month

Month Weak year, kWh Typical year, kWh Good year, kWh
January 571 715 859
February 533 661 789
March 651 784 918
April 554 693 831
May 548 669 790
June 512 623 734
July 546 668 790
August 597 727 858
September 542 677 811
October 494 627 759
November 443 555 667
December 500 621 741
Year 6,662 7,947 9,232

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 Vitória?

From May to August the system produces about 2,687 kWh, which is 34% of the year. The weakest month (November) gives roughly 555 kWh.

Is an east-west roof worth it in Vitória?

An east-west system typically produces 10–25% less per kWp than one facing north, but spreads production more evenly through the day. The exact difference depends on tilt and shading.

Compare an east-west roof for Vitória

Ground mount or roof in Vitória?

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 Vitória

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 Brazil

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