Official solar cadastre · Luxembourg

Roof profile · Wiltz

Gruberbeerig 5

9538 Wiltz

Conditionally suitable
3 487 €
savings / year
~14 years
paid back in
50 236 €
net after grant
−0 €
Klimabonus grant

These figures reflect the full roof potential (31.1 kWp, Klimabonus grant deducted, paid back in ~14 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.

Gruberbeerig 5: your roof can fit up to ~75 solar panels (~31.1 kWp). We start at the ideal size for a household — move the slider up to aim higher.

15panels6.0 kWp
Min · 5Roof capacity · 75

Get free quotes for this project

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Your turnkey project

Power
6.0 kWp · 15 panels
Estimated output
4 805 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 ~673 €/year in savings — paid back in ~9 years.

Over 25 years, you gain

~10 781 €

Cumulative savings minus your remaining cost · 1 922 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
Conditionally suitable (PV class 7)
Solar thermal suitability
Suitable (ST class 1)
Ground footprint
351 m²
Estimated usable area
158 m²
Installable power
31.1 kWp (~78 panels)
Estimated output
24 908 kWh/year
Estimated savings (self-consumption ~40 %)
3 487 €/year
Indicative gross investment
50 236 €
Estimated Klimabonus grant
−0 €
Net investment after grant
50 236 €
Estimated payback (on net)
~14 years
CO₂ avoided
9 963 kg/year
Postal code
9538
Municipality
Wiltz
Coordinates (WGS84)
49.961645, 5.935165
Cadastre identifier (HID)
229638
Estimate my installation

Estimate · official solar cadastre (Klima-Agence)

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