Spain: solar plant site data
Solar power plant in Ourense, Spain: yield, tilt angle and row spacing
Ourense: 1,354 kWh per kWp a year at the optimal tilt of 35°, 7° west of south (PVGIS). 16.2% below the median of the main cities of Spain (1,615). #131 of 147 main cities of Spain by yield. For comparison, Kyiv: 1,114 kWh/kWp — 21.5% more here.
Ourense is in the province of Ourense, Galicia. Population 105,233 (GeoNames). 146 m above sea level. 72 km away: Vigo, the nearest bigger city, 1,398 kWh/kWp — 3.1% less here. 7.13 m between rows, pitch 11.05 m, GCR 0.43 (latitude 42.3°).
- Yield of 1 kWp
- 1,354kWh/year
- Tilt
- 35°7° west of south
- 10 kW
- 13,539kWh/year
- Row pitch
- 11.05m · GCR 0.43
- Rank in the country
- 131of 147 cities
Ground frame designer
A ground frame for a solar plant: Ourense
Latitude 42.3°: the tilt and the row pitch follow it. Enter the snow and wind for Spain in the designer, by the national annex to the Eurocode.
- No sign-up
- Snow and wind check
- Drawings and estimate
Yield by month
July: 157 kWh/kWp, December: 65 — 2.4 times less.
December: 65 against the median of 103 for the main cities of Spain, 36.9% less.
| kWp | A year | July | December |
|---|---|---|---|
| 5 | 6,770 | 785 | 325 |
| 10 | 13,539 | 1,570 | 650 |
| 15 | 20,309 | 2,355 | 975 |
Fixed tilt facing south
What a table yields at another tilt than the optimal 35° — for roofs and frames with a standard slope.
| Tilt | A year | Against the optimum |
|---|---|---|
| 35° (optimum) | 1,354 | — |
| 15° | 1,291 | −4.7% |
| 30° | 1,348 | −0.5% |
| 45° | 1,335 | −1.4% |
| 90° | 888 | −34.4% |
Snow and wind loads
Snow and wind loads for a site in Spain follow CTE DB SE-AE (Spain’s Código Técnico de la Edificación) and, where the Eurocodes are applied, UNE-EN 1991-1-3 and UNE-EN 1991-1-4 with the Spanish National Annex. Solispec computes loads by the Ukrainian DBN V.1.2-2 only, so this page shows no snow or wind values for Spain: enter the characteristic values from these documents in the designer’s «Own snow S0» and «Own wind W0» fields.
The frame calculation for such a site is preliminary: before installation it must be checked by an engineer who works to the country’s standards.
Nearby cities
Sources
- PVGIS © European Union, 2001–2026 — yield, tilt and azimuth, data as of 2026-10-10
- GeoNames (CC BY 4.0) — coordinates, elevation, population and divisions (changed)
- Where to take snow and wind loads from: CTE DB SE-AE
- How these numbers are computed
Preliminary calculation: a design needs an engineer’s check.