Part of the “Solidaritéitspak 2.0″ concluded at the Tripartite meeting on 20 September 2022, this investment aid encourages companies to produce all or part of their own energy. All the various projects submitted will then be put out to tender, in accordance with the amended Act of 15 December 2017 on an aid scheme for environmental protection.

With an overall maximum budget of 20 million euros, divided into 4 lots, which vary according to the size of the power plant, the call for projects is open from 15 July until 31 October 2023. The maximum amount of aid is defined as follows:


Maximum amount of aid [€/kWp]

Maximum aid intensity [%]

Lot 1: > 30 kWp and ≤ 200 kWp (external envelopes of Buildings; Land ZAE)



Lot 2:> 200 kWp and ≤ 500 kWp (external envelopes of Buildings; Land ZAE)



Lot 3: > 500 kWp and ≤ 5 MWp (external envelopes of Buildings; Land ZAE)



Lot 4: > 30 kWp and ≤ 5 MWp (Umbrellas)



Companies have until 31 October 2023 to submit a project to install and operate a photovoltaic power plant, in view of receiving financial support. Applications for investment aid should be submitted via the platform. An information sheet detailing the terms and conditions of this aid (including specifications and FAQs) can be consulted on

In order to explain to businesses all the details and practicalities of these calls for projects, two information webinars will be organised with the support of the national innovation agency, Luxinnovation, on 14 September (in French) and 21 September (in English). These webinars are free but registration is compulsory.

Photo: Pixabay (Sebastian Ganso)

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