Commerce
Craft IndustryTo make this measure more effective and tailored to the specific context of your company, we recommend that you first perform an overall analysis of your energy situation.
The project aims to replace old chillers and freezers with new generation refrigeration units that are closed, well insulated, fitted with more efficient fans and LED lighting. Defrosting is optimised and it is possible to increase the temperature regime of the evaporator circuit.
This system applies to supermarkets or grocery stores with chillers and freezers to store food in store. By installing this technology, which has been available on the market for more than 5 years, the company can save on its electricity bills and reduce its carbon footprint. However, implementing this measure can be complex and requires the temporary shutdown of production during the technical installation stage.
Replacing the chillers and freezers leads to direct savings in terms of electrical usage, not regarding the units themselves, but also on the associated refrigeration process. Thanks to better insulation and more efficient defrosting, cold losses are reduced, which reduces the power consumption of refrigeration.
Savings on electricity bills are estimated at 80% for freezers and 25% for refrigeration.
Please note: any application for government or non-government subsidies must comply with the “incentive effect”, subject to compliance with the subsidy conditions.
To ensure that the ‘incentive effect’ is respected, no binding commitment (signing a quotation; paying an advance) may be made BEFORE submitting the application file or receiving the agreement in principle from the State or the electricity and natural gas supplier following an application for subsidies.
Environmental protection scheme – Investment aid for the protection of the environment
Aid for environmental protection
The law of 8 December 2025 on the renewal of the aid scheme for environmental and climate protection provides for the granting of investment aid to SMEs and large companies established in Luxembourg, with a business licence, and carrying out projects that contribute to environmental or climate protection.
This aid supports investments aimed at improving energy efficiency outside buildings. It is intended for initiatives that either reduce energy consumption by at least 20% or achieve energy savings of at least 250 MWh per year.
The following maximum rates apply:
| Activity | Company size | ||
|---|---|---|---|
| Small | Medium | Large | |
| Energy efficiency outside buildings | 25 % | 20 % | 15 % |
When equipment is added to an existing installation and there is no counterfactual investment that is less environmentally friendly, the aid rate shown in the table above is doubled.
SMEs may receive aid upon request if they meet the conditions set out in Article 7 of this law, provided that the aid is less than €100,000 and more than €50,000.
Large enterprises, as well as SMEs, will also be able to participate in regular calls for projects, which will be announced below when they become available.
The General Directorate – State Aid and Company Financing will verify the eligibility of applications.
Call for projects for measures promoting energy efficiency outside buildings
A call for projects is open from 5 January 2026 to 30 June 2026 to support measures that promote energy efficiency outside buildings.
This call will be conducted on a ‘first come, first served’ basis, i.e. aid will be granted in the order in which applications are received, until the €15 million budget is exhausted. No specifications have been published; only the conditions specified in the law of 8 December 2025 on the renewal of the environmental and climate protection aid scheme will apply.
N.B. State subsidies cannot be combined for the same project
Since 2015, natural gas and electricity suppliers are required to make energy savings for consumers under the obligation scheme. Since then, energy suppliers have been offering support and advice, as well as subsidy programmes for consumers to implement energy efficiency measures.
The following suppliers offer this service for companies:
N.B. Supplier subsidies can be combined with any state subsidies for the same project.
The tax relief is calculated based on the investments and operating expenses incurred as part of an ecological and energy transition project.
The tax relief rate is set at 18% and is applied directly to the amount of tax due.
This deduction can be combined with standard state subsidies.
For the project to be eligible, it must meet at least one of the following objectives:
For certain objectives, minimum thresholds must be met.
To verify your eligibility and ensure that these thresholds are satisfied, it is recommended that the impact of the measure on one of the above conditions be certified by an expert or a design office.
Further details and conditions: Guichet.lu
For questions: Ministry of Economy – Bonus
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