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Sign Up & Switching
All about how to sign up , estimating your consumption and more.
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?Learn how electricity consumption is measured, and how to get the correct amount for you.
What is a market location number (Marktlokations-ID) and where can I find it?
Can I also purchase electricity from Ostrom as a business or company?
Can you cancel my old electricity contract for me?
My old provider has increased prices. How can I sign up through the special right of termination (Sonderkündigungsrecht)?
Will there be interruptions in the power supply if I want to change my provider?
How long does it take to switch?Signing up is a breeze, but the start date (or "switch") will depend on your previous provider's minimum contract period.
How fast can my contract be confirmed?Let us explain the difference between "signing up" and being "in delivery".
What happens after my registration with Ostrom is complete?
I got a letter from the basic supplier. What should I do?
Can I receive documents via post?
Where can I use Ostrom?
Why does my contract start later than expected?
Can I also receive my contract confirmation as a PDF?
Where can I find my contract details?