How much will solar panels produce in Buzău?

A 5 kWp system facing south at 35° tilt in Buzău produces about 6,597 kWh a year. In a weak year that is 5,503 kWh, in a good one 7,691 kWh — 1,319 kWh per kWp.

That’s about 330% 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 296 kWh, range 178–414FebFebruary: 5 kWp 363 kWh, range 251–475MarMarch: 5 kWp 559 kWh, range 450–668AprApril: 5 kWp 632 kWh, range 460–804MayMay: 5 kWp 720 kWh, range 588–852JunJune: 5 kWp 724 kWh, range 591–857JulJuly: 5 kWp 787 kWh, range 642–933AugAugust: 5 kWp 788 kWh, range 653–922SepSeptember: 5 kWp 671 kWh, range 549–792OctOctober: 5 kWp 502 kWh, range 363–641NovNovember: 5 kWp 288 kWh, range 213–363DecDecember: 5 kWp 263 kWh, range 151–376

kWh per month

A typical day in August

The sunniest month in Buzău. Output peaks around 11:00 solar time, at about 3.0 kWh in the best hour.

0:006:0012:0018:0023:00 3.0 0

Month by month

Month Weak year, kWh Typical year, kWh Good year, kWh
January 178 296 414
February 251 363 475
March 450 559 668
April 460 632 804
May 588 720 852
June 591 724 857
July 642 787 933
August 653 788 922
September 549 671 792
October 363 502 641
November 213 288 363
December 151 263 376
Year 5,503 6,597 7,691

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 Buzău?

From November to February the system produces about 1,210 kWh, which is 18% of the year. The weakest month (December) gives roughly 263 kWh.

Is an east-west roof worth it in Buzău?

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 Buzău

Ground mount or roof in Buzău?

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 Buzău

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