Sign Up
From move-in to consumption estimates to your MaLo ID – all the key info for signing up with Ostrom in one place.
How can I sign up?All you need is your address, your kWh consumption, and your meter number (Zählernummer).
What is "kWh" and how much consumption should enter?
What is a market location number (Marktlokations-ID) and where can I find it?
I got a letter from the basic supplier. What should I do?
Can I also purchase electricity from Ostrom as a business or company?
Can I receive documents via post?
What happens after my registration with Ostrom is complete?
Where can I use Ostrom?
Can I also receive my contract confirmation as a PDF?
Where can I find my contract details?
Why does my contract start later than expected?
My old provider has increased prices. How can I sign up through the special right of termination (Sonderkündigungsrecht)?
Can you cancel my old electricity contract for me?
Will there be interruptions in the power supply if I want to change my provider?