- Gas & Wärme
- Über DEW21
DEW21 is as vibrant as its city. As your local supplier for energy, gas, water and heating, we are there for all of Dortmund's residents and are happy to provide you with our services in different languages.
You are welcome to send us your request outside of our customer centre's opening hours by e-mail: firstname.lastname@example.org
Handling of: All matters relating to your energy supply contracts.
Our service colleagues are on hand for you, and speak the following languages:
We look forward to hearing from you!