Sign Up

From move-in to consumption estimates to your MaLo ID – all the key info for signing up with Ostrom in one place.

Helpful Links

• 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 I 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?
• 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?
• What’s the difference between default supply (Ersatzversorgung) and basic supply (Grundversorgung)?
• What is the grid operator and how do I find out which one is responsible for my address?
• What happens if there’s a supply gap before my Ostrom contract starts? Will I still receive electricity if there’s a gap between suppliers?
• How do I find my local grid operator?
• Can I also receive my contract confirmation as a PDF?