How much energy do solar panels produce in Aalst?

A 5 kWp solar panel system in Aalst, Belgium produces approximately 5,336 kWh per year, based on EU PVGIS data.

How much can you save with solar panels in Aalst?

A 5 kWp system without battery saves approximately €644 per year (accounting for 23% self-consumption and feed-in tariff for surplus). The payback period is 9.3 years.

What is the optimal panel angle in Aalst?

The optimal tilt angle for solar panels in Aalst is 39 degrees facing -2 degrees from south.

Solar Panels in Aalst

Belgium · 50.94°N, 4.04°E

Solar Potential

Moderate

1,067 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

5,336kWh

Net Annual Savings

€644

Payback Period

9.3 yrs

25-Year Net

€14,735

Savings Breakdown

Self-consumed (23% of 5,336 kWh)1,227 kWh × 0.357 €/kWh

→ Savings from own usage+€438

Injected to grid (77% of production)4,109 kWh × 0.050 €/kWh

→ Feed-in revenue+€205

Net Annual Savings€644

Installation cost (5 kWp × 1,200 €/kWp)€6,000

Belgium Solar Policy

Flanders: digital meters mandatory since 2025, no prosumer fee. Surplus sold at wholesale (~€0.04-0.06/kWh). Wallonia: analog meter holders keep net metering until 2030 but pay prosumer tariff. Brussels: net billing. 6% VAT.

Source: VREG/CWaPE/BRUGEL, 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

198 kWh

284 kWh

480 kWh

613 kWh

638 kWh

628 kWh

623 kWh

577 kWh

516 kWh

374 kWh

232 kWh

172 kWh

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Month	Energy (kWh)	Irradiation (kWh/m²)
January	198	46
February	284	67
March	480	115
April	613	152
May	638	160
June	628	161
July	623	162
August	577	148
September	516	130
October	374	91
November	232	55
December	172	41
Total	5,336	1,328

Environmental Impact

CO2 Saved Per Year

1,243 kg

Equivalent Trees Planted

57 trees

Optimal Panel Angle

39° tilt

Technical Details

Data Source: EU PVGIS v5.3
Coordinates: 50.93604°N, 4.0355°E
System Loss: 14%
Optimal Inclination: 39°
Optimal Azimuth: -2°
Yearly Irradiation: 1328 kWh/m2
Retail Electricity Price: 0.357 EUR/kWh
Feed-in Tariff: 0.050 EUR/kWh
Install Cost: 1,200 EUR/kWp

€1,911

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