Official solar cadastre · Luxembourg

Roof profile · Contern

An de Steng 49

5314 Contern

Very suitable
4 142 €
savings / year
~12 years
paid back in
50 248 €
net after grant
−0 €
Klimabonus grant

These figures reflect the full roof potential (31.1 kWp, Klimabonus grant deducted, paid back in ~12 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.

An de Steng 49: 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
5 708 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 ~799 €/year in savings — paid back in ~8 years.

Over 25 years, you gain

~13 939 €

Cumulative savings minus your remaining cost · 2 283 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
Very suitable (PV class 2)
Solar thermal suitability
Very suitable (ST class 2)
Ground footprint
351 m²
Estimated usable area
158 m²
Installable power
31.1 kWp (~78 panels)
Estimated output
29 585 kWh/year
Estimated savings (self-consumption ~40 %)
4 142 €/year
Indicative gross investment
50 248 €
Estimated Klimabonus grant
−0 €
Net investment after grant
50 248 €
Estimated payback (on net)
~12 years
CO₂ avoided
11 834 kg/year
Postal code
5314
Municipality
Contern
Coordinates (WGS84)
49.584428, 6.223544
Cadastre identifier (HID)
149149
Estimate my installation

Estimate · official solar cadastre (Klima-Agence)

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