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Our energy for your future

We are lowering our electricity tariffs

Good news for our electricity customers: as of 15th December 2024, our electricity tariff “Mäi Stroum” will go down from 15.99 ct / kWh to 13.45 ct / kWh (excl. the monthly base fee, network costs, taxes and legal fees).

Tariff details

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Natural gas
Electricity
Number of people in the household
1
2
3
4
5+
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Three good reasons to choose SUDenergie

01
Fair & social

With its 14 shareholder municipalities, SUDenergie is firmly rooted in society – true to its image as a citizen-, customer- and employee-oriented company that acts in the interests of the community.

02
Sustainable responsibility

SUDenergie assumes responsibility for people and the environment, investing in renewable energies to produce local green electricity in Luxembourg. The focus is always on an eco-friendly approach to resources.

03
Comprehensive support

For more than 120 years, we have been known as a reliable and trustworthy citizen-oriented energy supplier. We value the trust that our customers, employees, suppliers and the public place in us. Today and tomorrow, we are there for you.

Progress in numbers

Development of green energy

Capacity of our renewable energy installations

4,950 kWp
Sustainable energy supply

Number of households that can be supplied with our energy each year

1,392 households
Emissions reductions

Annual reduction in CO2 emissions thanks to our measures

2,918 tonnes
At SUDenergie, we put customers first

As a citizen-oriented energy supplier in Luxembourg, we aim to provide our customers with the best possible conditions – today and tomorrow.

SUDenergie - Energy for today and tomorrow

SUDenergie is continuing its development – guided by a sense of reason and responsibility towards customers and the public, shareholders and partners, as well as towards the environment.
As a responsible player in the energy market, SUDenergie has been increasingly committed to actively promoting the energy transition since 2015.

Sustainability at SUDenergie