PVGIS · SolarMapped
Solar potential in Austria
These figures are the unweighted mean of the city locations listed below, not a national average. Two urban points do not represent an entire country, its roofs or its solar installations.
Explore on the solar map ↗Sampled-city benchmark
PV output is estimated electricity from 1 kWp of installed solar panels. Irradiation is sunlight energy received per square meter on the optimally tilted panel plane; it is not electricity.
For a 5 kWp system, multiply the electricity values by five. This simple scaling does not account for roof-specific shading or equipment constraints.
Range across these cities: 1,176–1,226kWh/kWp/year. Panel tilt and direction are location-specific; see each city.
Monthly solar irradiation and PV output
Highest-output month: July · 135.5kWh/kWp/month. Lowest-output month: December · 51.5kWh/kWp/month.
The chart and table use the mean of the listed cities for each month.
| Month | Estimated PV output (kWh/kWp/month) | Solar irradiation (kWh/m²/month) |
|---|---|---|
| January | 60.4 | 69.4 |
| February | 76.8 | 89.5 |
| March | 110.5 | 133.5 |
| April | 125.1 | 157 |
| May | 126.4 | 161.8 |
| June | 129 | 169.5 |
| July | 135.5 | 180.2 |
| August | 128.1 | 169 |
| September | 112.1 | 143 |
| October | 90.1 | 111.4 |
| November | 55.8 | 66.6 |
| December | 51.5 | 60.1 |
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Data and methodology
PVGIS 5.3 (European Commission Joint Research Centre), crystalline silicon, fixed free-standing installation, 1 kWp, 14% system losses, equator-facing panels with optimized tilt and the terrain horizon. Long-term climate estimates are not a forecast or a roof survey. Nearby buildings, trees, roof constraints, snow and local conditions can change actual output.
- Vienna — Reference coordinates: 48.21, 16.37; Climate dataset / years: PVGIS-SARAH3 / 2005–2023; Data retrieved: .
- Graz — Reference coordinates: 47.07, 15.44; Climate dataset / years: PVGIS-SARAH3 / 2005–2023; Data retrieved: .
PVGIS methodology · Sources and assumptions (English) · Download the underlying data (JSON)