How much energy do solar panels produce in Ermua?

A 5 kWp solar panel system in Ermua, Spain produces approximately 5,561 kWh per year, based on EU PVGIS data.

How much can you save with solar panels in Ermua?

A 5 kWp system without battery saves approximately €534 per year (accounting for 23% self-consumption and feed-in tariff for surplus). The payback period is 9.9 years.

What is the optimal panel angle in Ermua?

The optimal tilt angle for solar panels in Ermua is 34 degrees facing 1 degrees from south.

Solar Panels in Ermua

Spain · 43.19°N, 2.50°W

Solar Potential

Moderate

1,112 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

5,561kWh

Net Annual Savings

€534

Payback Period

9.9 yrs

25-Year Net

€11,637

Savings Breakdown

Self-consumed (23% of 5,561 kWh)1,279 kWh × 0.250 €/kWh

→ Savings from own usage+€320

Injected to grid (77% of production)4,282 kWh × 0.050 €/kWh

→ Feed-in revenue+€214

Net Annual Savings€534

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

254 kWh

349 kWh

494 kWh

540 kWh

584 kWh

577 kWh

617 kWh

608 kWh

556 kWh

458 kWh

279 kWh

246 kWh

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Month	Energy (kWh)	Irradiation (kWh/m²)
January	254	61
February	349	84
March	494	122
April	540	136
May	584	149
June	577	151
July	617	163
August	608	159
September	556	143
October	458	115
November	279	68
December	246	60
Total	5,561	1,412

Environmental Impact

CO2 Saved Per Year

1,296 kg

Equivalent Trees Planted

59 trees

Optimal Panel Angle

34° tilt

Technical Details

Data Source: EU PVGIS v5.3
Coordinates: 43.18725°N, 2.50261°W
System Loss: 14%
Optimal Inclination: 34°
Optimal Azimuth: 1°
Yearly Irradiation: 1412 kWh/m2
Retail Electricity Price: 0.250 EUR/kWh
Feed-in Tariff: 0.050 EUR/kWh
Install Cost: 1,061 EUR/kWp

€1,454

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