Solar cadastre · Luxembourg · 2025
How much can your
roof produce?
Enter your address: we estimate your roof's output, savings and CO₂ avoided, based on the official solar cadastre.
Free estimate · 162 987 mapped roofs · no obligation
Luxembourg's solar fleet
- roofs analysed
- 238 433
- solar-suitable
- 84 %
- municipalities covered
- 100
How it works
From your address to a quote, in three steps
Free, no obligation, based on official public data.
Enter your address
We locate your roof among the 238 433 buildings in the official solar cadastre.
Discover your potential
Suitability, output, annual savings and CO₂ avoided, estimated instantly.
Get a quote
Free connection with a partner photovoltaic installer near you.
Calculator · Klimabonus 2026
What does solar really cost you?
Drag to size your system. We deduct the government grant live — you see your real remaining cost.
Your turnkey project
- Power
- 6.0 kWp · 15 panels
- Estimated output
- 5 400 kWh/year
- Turnkey price (3% VAT)
- ~11 780 €
The government covers ~49% of your system
Your remaining cost
~6 038 €
That's ~756 €/year in savings — paid back in ~8 years.
Over 25 years, you gain
~12 862 €
Cumulative savings minus your remaining cost · 2 160 kg CO₂ avoided/year.
Indicative estimate (official Klimabonus scale + LU market prices). Amounts to be confirmed by quote and via the Klima-Agence calculator.
Live ranking
Municipalities with the highest solar potential
Estimated total photovoltaic potential of each municipality, based on the official solar cadastre.
Grants & incentives · Klimabonus 2026
Up to 10,000 € in government grant
Under the Klimabonus 2026 scheme, self-consumption photovoltaics qualifies for a grant of up to 10,000 €, plus up to 2,250 € for a storage battery. And since 2026, pre-financing lets you deduct the grant directly from your invoice — with no cash outlay.
Photovoltaic installers
Qualified quote requests, near you
Do you install solar panels in Luxembourg? Receive contacts from homeowners who have already checked their roof's potential. Direct connection, with no opaque middleman.