How much energy do solar panels produce in Bilbao?

A 5 kWp solar panel system in Bilbao, Spain produces approximately 5,835 kWh per year, based on EU PVGIS data.

How much can you save with solar panels in Bilbao?

A 5 kWp system without battery saves approximately €549 per year (accounting for 22% self-consumption and feed-in tariff for surplus). The payback period is 9.7 years.

What is the optimal panel angle in Bilbao?

The optimal tilt angle for solar panels in Bilbao is 36 degrees facing -1 degrees from south.

Solar Panels in Bilbao

Spain · 43.26°N, 2.93°W

Solar Potential

Moderate

1,167 kWh per kWp installed capacity

Your Solar Savings Estimate

Configure system size and battery to see realistic savings

Data last updated: March 2026

System Size

Battery Storage

Annual Output

5,835kWh

Net Annual Savings

€549

Payback Period

9.7 yrs

25-Year Net

€12,057

Savings Breakdown

Self-consumed (22% of 5,835 kWh)1,284 kWh × 0.250 €/kWh

→ Savings from own usage+€321

Injected to grid (78% of production)4,551 kWh × 0.050 €/kWh

→ Feed-in revenue+€228

Net Annual Savings€549

Installation cost (5 kWp × 1,061 €/kWp)€5,305

Spain Solar Policy

Compensación simplificada: surplus credited at €0.02-0.10/kWh, capped at your bill. No prosumer fees. IBI tax discount 30-50% in many municipalities.

Source: CNMC, Eurostat H1 2025

The savings estimates shown are for informational purposes only and do not constitute financial advice. Actual savings depend on your specific installation, roof condition, shading, consumption patterns, and future electricity price changes. Feed-in tariffs and regulations change frequently. Always obtain quotes from certified installers and consult a financial advisor before making investment decisions.

Monthly Energy Production

311 kWh

382 kWh

509 kWh

552 kWh

606 kWh

574 kWh

612 kWh

607 kWh

568 kWh

474 kWh

326 kWh

314 kWh

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Month	Energy (kWh)	Irradiation (kWh/m²)
January	311	75
February	382	92
March	509	126
April	552	139
May	606	154
June	574	150
July	612	161
August	607	158
September	568	146
October	474	119
November	326	79
December	314	75
Total	5,835	1,474

Environmental Impact

CO2 Saved Per Year

1,360 kg

Equivalent Trees Planted

62 trees

Optimal Panel Angle

36° tilt

Technical Details

Data Source: EU PVGIS v5.3
Coordinates: 43.26271°N, 2.92528°W
System Loss: 14%
Optimal Inclination: 36°
Optimal Azimuth: -1°
Yearly Irradiation: 1474 kWh/m2
Retail Electricity Price: 0.250 EUR/kWh
Feed-in Tariff: 0.050 EUR/kWh
Install Cost: 1,061 EUR/kWp

€1,433

Want to compare Bilbao with another city?

Use our interactive calculator to compare any European location.

Open Calculator