Roof profile · Stadtbredimus
Knupp 4
5451 Stadtbredimus
These figures reflect the full roof potential (2.9 kWp, Klimabonus grant deducted, paid back in ~10 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.
Knupp 4: your roof can fit up to ~7 solar panels (~2.9 kWp). We start at the ideal size for a household — move the slider up to aim higher.
Your turnkey project
- Power
- 2.8 kWp · 7 panels
- Estimated output
- 2 649 kWh/year
- Turnkey price (3% VAT)
- ~6 884 €
The government covers ~43% of your system
Your remaining cost
~3 909 €
That's ~371 €/year in savings — paid back in ~11 years.
Over 25 years, you gain
~5 364 €
Cumulative savings minus your remaining cost · 1 060 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
- 33 m²
- Estimated usable area
- 15 m²
- Installable power
- 2.9 kWp (~7 panels)
- Estimated output
- 2 744 kWh/year
- Estimated savings (self-consumption ~40 %)
- 384 €/year
- Indicative gross investment
- 7 019 €
- Estimated Klimabonus grant
- −3 072 €
- Net investment after grant
- 3 947 €
- Estimated payback (on net)
- ~10 years
- CO₂ avoided
- 1 098 kg/year
- Postal code
- 5451
- Municipality
- Stadtbredimus
- Coordinates (WGS84)
- 49.564053, 6.362408
- Cadastre identifier (HID)
- 225110
Estimate · official solar cadastre (Klima-Agence)