Official solar cadastre · Luxembourg

Roof profile · Weiswampach

Kirichstrooss 4

9962 Holler

Very suitable
3 067 €
savings / year
~9 years
paid back in
27 882 €
net after grant
−10 000 €
Klimabonus grant

These figures reflect the full roof potential (23.1 kWp, Klimabonus grant deducted, paid back in ~9 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.

Kirichstrooss 4: your roof can fit up to ~58 solar panels (~23.1 kWp). We start at the ideal size for a household — move the slider up to aim higher.

15panels6.0 kWp
Min · 5Roof capacity · 58

Get free quotes for this project

No obligation. No advertising, no data reselling.

Your turnkey project

Power
6.0 kWp · 15 panels
Estimated output
5 690 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 ~797 €/year in savings — paid back in ~8 years.

Over 25 years, you gain

~13 877 €

Cumulative savings minus your remaining cost · 2 276 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
260 m²
Estimated usable area
117 m²
Installable power
23.1 kWp (~58 panels)
Estimated output
21 907 kWh/year
Estimated savings (self-consumption ~40 %)
3 067 €/year
Indicative gross investment
37 882 €
Estimated Klimabonus grant
−10 000 €
Net investment after grant
27 882 €
Estimated payback (on net)
~9 years
CO₂ avoided
8 763 kg/year
Postal code
9962
Municipality
Weiswampach
Coordinates (WGS84)
50.123188, 6.047564
Cadastre identifier (HID)
23813
Estimate my installation

Estimate · official solar cadastre (Klima-Agence)

Call us