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: customerservice@dew21.de
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!
When registering, you should let us have your meter number, your meter reading and your chosen registration date.
Your meter number is on your meter. Usually, you can find your meter in the basement of your building or close by. If you have issues, finding your meter, please contact your landlord.
If you have already taken out a contract with DEW21, you will also find your meter number on your welcome letter and on every bill.
The easiest way to become a DEW21 customer is online or by telephone. Of course, you can also visit us at our service centre in central Dortmund and become a DEW21 customer there.
The best-value product is the product that is most suited to your individual needs. After all, our products differ in terms of both price and services included. The most affordable products are our basic products, which are online-only. If you call us or visit our service centre, we will be happy to give you one-to-one advice so that you can find the best product for you.
You can change your address or contact details easily in the My Account section on our website. Alternatively, you can notify us of your new address by telephone +492315443044 or in writing.