How much will solar panels produce in Bacău?

A 5 kWp system facing south at 35° tilt in Bacău produces about 6,237 kWh a year. In a weak year that is 5,208 kWh, in a good one 7,266 kWh — 1,247 kWh per kWp.

That’s about 312% 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 200 kWh, range 108–292FebFebruary: 5 kWp 346 kWh, range 251–441MarMarch: 5 kWp 523 kWh, range 405–641AprApril: 5 kWp 584 kWh, range 439–728MayMay: 5 kWp 710 kWh, range 573–847JunJune: 5 kWp 701 kWh, range 570–832JulJuly: 5 kWp 752 kWh, range 622–882AugAugust: 5 kWp 783 kWh, range 650–916SepSeptember: 5 kWp 649 kWh, range 531–767OctOctober: 5 kWp 484 kWh, range 355–613NovNovember: 5 kWp 237 kWh, range 161–313DecDecember: 5 kWp 241 kWh, range 131–350

kWh per month

A typical day in August

The sunniest month in Bacău. Output peaks around 11:00 solar time, at about 3.1 kWh in the best hour.

0:006:0012:0018:0023:00 3.1 0

Month by month

Month Weak year, kWh Typical year, kWh Good year, kWh
January 108 200 292
February 251 346 441
March 405 523 641
April 439 584 728
May 573 710 847
June 570 701 832
July 622 752 882
August 650 783 916
September 531 649 767
October 355 484 613
November 161 237 313
December 131 241 350
Year 5,208 6,237 7,266

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 Bacău?

From November to February the system produces about 1,024 kWh, which is 16% of the year. The weakest month (January) gives roughly 200 kWh.

Is an east-west roof worth it in Bacău?

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 Bacău

Ground mount or roof in Bacău?

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 Bacău

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