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.

Why should you choose a solar & thermal renovation company in Luxembourg?

Our integrated solutions help homeowners and businesses in Luxembourg reduce energy bills, increase property value, and achieve long-term sustainability. We guide you through every step – from design to installation – and assist with subsidies and tax incentives, making your switch to solar and thermal renovation smooth and affordable.

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?