Official solar cadastre · Luxembourg

Roof profile · Wormeldange

Hënneschtgaass 3

5485 Wormeldange-Haut

Suitable
1 255 €
savings / year
~8 years
paid back in
9 590 €
net after grant
−8 250 €
Klimabonus grant

These figures reflect the full roof potential (10 kWp, Klimabonus grant deducted, paid back in ~8 years). You don't have to equip the entire roof: set the size that suits you in the simulator below — from the most affordable entry (~3 482 €) to the full potential.

Actual roof irradiation · solar cadastre (aerial view + heatmap)

Calculator · Klimabonus 2026

Size your system

We start at the ideal size for a household. Drag to aim higher — the government grant and your remaining cost recalculate live.

Hënneschtgaass 3: your roof can fit up to ~25 solar panels (~10.0 kWp). We start at the ideal size for a household — move the slider up to aim higher.

15panels6.0 kWp
Min · 5Roof capacity · 25

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Your turnkey project

Power
6.0 kWp · 15 panels
Estimated output
5 379 kWh/year
Turnkey price (3% VAT)
~11 780 €
Government grant (Klimabonus)5 742

The government covers ~49% of your system

Your remaining cost

~6 038 €

That's ~753 €/year in savings — paid back in ~8 years.

Over 25 years, you gain

~12 789 €

Cumulative savings minus your remaining cost · 2 152 kg CO₂ avoided/year.

Indicative estimate (official Klimabonus scale + LU market prices). Amounts to be confirmed by quote and via the Klima-Agence calculator.

Roof data

Characteristics from Luxembourg's official solar cadastre.

Photovoltaic suitability
Suitable (PV class 1)
Solar thermal suitability
Very suitable (ST class 2)
Ground footprint
112 m²
Estimated usable area
51 m²
Installable power
10 kWp (~25 panels)
Estimated output
8 965 kWh/year
Estimated savings (self-consumption ~40 %)
1 255 €/year
Indicative gross investment
17 840 €
Estimated Klimabonus grant
−8 250 €
Net investment after grant
9 590 €
Estimated payback (on net)
~8 years
CO₂ avoided
3 586 kg/year
Postal code
5485
Municipality
Wormeldange
Coordinates (WGS84)
49.609040, 6.399693
Cadastre identifier (HID)
126385
Estimate my installation

Estimate · official solar cadastre (Klima-Agence)

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