How much will solar panels produce in Târgu Mureș?

A 5 kWp system facing south at 35° tilt in Târgu Mureș produces about 6,148 kWh a year. In a weak year that is 5,153 kWh, in a good one 7,143 kWh — 1,230 kWh per kWp.

That’s about 307% 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 226 kWh, range 164–288FebFebruary: 5 kWp 323 kWh, range 255–391MarMarch: 5 kWp 558 kWh, range 437–679AprApril: 5 kWp 593 kWh, range 469–717MayMay: 5 kWp 682 kWh, range 542–823JunJune: 5 kWp 710 kWh, range 578–843JulJuly: 5 kWp 773 kWh, range 637–909AugAugust: 5 kWp 767 kWh, range 640–895SepSeptember: 5 kWp 636 kWh, range 502–770OctOctober: 5 kWp 516 kWh, range 388–645NovNovember: 5 kWp 290 kWh, range 207–373DecDecember: 5 kWp 190 kWh, range 134–246

kWh per month

A typical day in July

The sunniest month in Târgu Mureș. 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 164 226 288
February 255 323 391
March 437 558 679
April 469 593 717
May 542 682 823
June 578 710 843
July 637 773 909
August 640 767 895
September 502 636 770
October 388 516 645
November 207 290 373
December 134 190 246
Year 5,153 6,148 7,143

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 Târgu Mureș?

From November to February the system produces about 1,029 kWh, which is 16% of the year. The weakest month (December) gives roughly 190 kWh.

Is an east-west roof worth it in Târgu Mureș?

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 Târgu Mureș

Ground mount or roof in Târgu Mureș?

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 Târgu Mureș

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