How much will solar panels produce in Tulcea?

A 5 kWp system facing south at 35° tilt in Tulcea produces about 6,673 kWh a year. In a weak year that is 5,571 kWh, in a good one 7,775 kWh — 1,335 kWh per kWp.

That’s about 334% of a typical home’s yearly use (2,000 kWh).

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Based on 2014–2023 satellite weather data

Production by month

02505007501,000JanJanuary: 5 kWp 261 kWh, range 180–342FebFebruary: 5 kWp 340 kWh, range 256–423MarMarch: 5 kWp 551 kWh, range 428–675AprApril: 5 kWp 634 kWh, range 478–790MayMay: 5 kWp 713 kWh, range 583–844JunJune: 5 kWp 756 kWh, range 626–887JulJuly: 5 kWp 836 kWh, range 690–981AugAugust: 5 kWp 830 kWh, range 689–970SepSeptember: 5 kWp 689 kWh, range 574–805OctOctober: 5 kWp 498 kWh, range 381–615NovNovember: 5 kWp 267 kWh, range 194–340DecDecember: 5 kWp 259 kWh, range 171–347

kWh per month

A typical day in July

The sunniest month in Tulcea. 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 180 261 342
February 256 340 423
March 428 551 675
April 478 634 790
May 583 713 844
June 626 756 887
July 690 836 981
August 689 830 970
September 574 689 805
October 381 498 615
November 194 267 340
December 171 259 347
Year 5,571 6,673 7,775

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 Tulcea?

From November to February the system produces about 1,126 kWh, which is 17% of the year. The weakest month (December) gives roughly 259 kWh.

Is an east-west roof worth it in Tulcea?

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 Tulcea

Ground mount or roof in Tulcea?

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 Tulcea

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