Across 6 modelled locations in Romania, a standard 10 kWp south-facing system produces about 12,391 kWh in a typical year on average. Tomorrow's weather-based city forecasts range from 50.4 to 55.5 kWh for the same reference setup.

Forecast for Wednesday, August 5, 2026 · Updated Aug 4, 2026, 06:53 PM UTC · City samples, not a national production forecast

Tomorrow in Romania

One system. Different local weather.

Using the same installation in every location isolates the effect of weather and geography. Enter your own roof on any city page for a personal estimate.

City average

53.7 kWh

Lowest city estimate

50.4 kWh

Highest city estimate

55.5 kWh

Representative locations

Solar forecasts for major cities in Romania

Bucharest50.4 kWh tomorrow Cluj-Napoca55.2 kWh tomorrow Timișoara53.7 kWh tomorrow

Typical year

Monthly solar production across Romania

The bars average the 6 city reference points. Typical annual output ranges from about 11,340 to 13,180 kWh for the 10 kWp setup. Of the locations modelled, Constanța has the highest typical annual output and Brașov the lowest.

550 Jan

694 Feb

1070 Mar

1214 Apr

1336 May

1347 Jun

1456 Jul

1439 Aug

1193 Sep

985 Oct

628 Nov

478 Dec

January550 kWh

February694 kWh

March1,070 kWh

April1,214 kWh

May1,336 kWh

June1,347 kWh

July1,456 kWh

August1,439 kWh

September1,193 kWh

October985 kWh

November628 kWh

December478 kWh

Typical monthly profiles use the European Commission JRC PVGIS multi-year climate series.

Local profiles

All 6 Romania city forecasts

Brașov11,340 kWh typical year 55.5 kWh tomorrow Bucharest12,973 kWh typical year 50.4 kWh tomorrow Cluj-Napoca12,156 kWh typical year 55.2 kWh tomorrow Constanța13,180 kWh typical year 54.4 kWh tomorrow Iași12,106 kWh typical year 53.0 kWh tomorrow Timișoara12,591 kWh typical year 53.7 kWh tomorrow

Use the data

Download the country snapshot or inspect the assumptions, sources, uncertainty ranges and refresh rules.

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