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Calculix is a price comparator that enables the inhabitants of the Grand Duchy to find the electricity and natural gas supplier with the best price offer. All you have to do is go to and enter your postcode and the number of people in your household to obtain a price list based on standard consumption. For a more precise result, you can also indicate your annual consumption in kWh for electricity or in m3 for gas.

Calculix is a service offered by the ILR, the Luxembourg Regulatory Institute.


More information

ILR Energy Hotline
T.: +352 28 228 888


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