How much energy do solar panels produce in Diest?

A 5 kWp solar panel system in Diest, Belgium produces approximately 5,354 kWh per year, based on EU PVGIS data.

How much can you save with solar panels in Diest?

A 5 kWp system without battery saves approximately €646 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 Diest?

The optimal tilt angle for solar panels in Diest is 39 degrees facing -3 degrees from south.

Solar Panels in Diest

Belgium · 50.99°N, 5.05°E

Solar Potential

Moderate

1,071 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

5,354kWh

Net Annual Savings

€646

Payback Period

9.3 yrs

25-Year Net

€14,805

Savings Breakdown

Self-consumed (23% of 5,354 kWh)1,231 kWh × 0.357 €/kWh

→ Savings from own usage+€440

Injected to grid (77% of production)4,123 kWh × 0.050 €/kWh

→ Feed-in revenue+€206

Net Annual Savings€646

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

282 kWh

477 kWh

606 kWh

649 kWh

637 kWh

631 kWh

583 kWh

515 kWh

376 kWh

234 kWh

166 kWh

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Month	Energy (kWh)	Irradiation (kWh/m²)
January	198	46
February	282	66
March	477	115
April	606	150
May	649	164
June	637	164
July	631	164
August	583	150
September	515	130
October	376	92
November	234	56
December	166	39
Total	5,354	1,336

Environmental Impact

CO2 Saved Per Year

1,248 kg

Equivalent Trees Planted

57 trees

Optimal Panel Angle

39° tilt

Technical Details

Data Source: EU PVGIS v5.3
Coordinates: 50.98923°N, 5.05062°E
System Loss: 14%
Optimal Inclination: 39°
Optimal Azimuth: -3°
Yearly Irradiation: 1336 kWh/m2
Retail Electricity Price: 0.357 EUR/kWh
Feed-in Tariff: 0.050 EUR/kWh
Install Cost: 1,200 EUR/kWp

€1,858

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