How to install solar panels in Luxembourg?

Consult our Guide to photovoltaic subsidies in Luxembourg (subsidies 2025). The best way to install solar panels in Luxembourg is to analyse three key factors: Roof pitch : The ideal angle for solar panels in the region is between 25 and 35 degrees to the horizontal, optimising exposure to the sun's rays all year round.

Are photovoltaic panels subsidised in Luxembourg?

The installation of photovoltaic panels is heavily subsidised by the Luxembourg government and local authorities. This practice is fully in line with the national objective of reducing greenhouse gas emissions (-55% by 2030). Consult our Guide to photovoltaic subsidies in Luxembourg (subsidies 2025).

Are photovoltaic panels and self-consumption compatible with all electricity suppliers in Luxembourg?

Photovoltaic panels and self-consumption are compatible with all electricity suppliers in Luxembourg. However, some are more suitable than others because they can : Invest part of your subscription in the development of power stations in Luxembourg and in the Grande Région (wind farms, solar panel farms, etc.).

How can Luxembourg save money on solar panels?

Luxembourg homeowners can reduce their electricity bills and sell surplus production thanks to the self-consumption model. The government is proposing subsidies covering up to 80% of installation costs with an estimated return on investment of between 5 and 7 years. How steep should the roof be for solar panels?

What technologies are being developed in Luxembourg?

In addition to the rooftop installations that we are all familiar with, other types of technologies are being developed in Luxembourg, such as ground-mounted solar power plants, floating installations and solar carports for car parks, which came into being in 2021. What is the difference between them and where can they be found in the country?

What are the different types of solar panels?

The term "solar panels" is often used generically to refer to two different types of technology: thermal solar panels and photovoltaic panels. Thermal solar panels are designed to absorb the sun's heat. and use it to heat water or other fluids. Photovoltaic panels convert sunlight directly into electricity thanks to the photovoltaic effect.