Sign Up & Switching
Here’s where you’ll learn how to sign up, estimate your usage, and what to keep in mind for the 24h supplier switch starting June 6, 2025.
By Laura and 3 others4 authors24 articles
Supplier Switch Within 24 Hours (LFW24)
Switch your electricity provider in 24 hours – faster than ever. Here's everything about the process, deadlines, and moving.
- What is the 24-hour supplier switch?
- I signed up before 06.06.2025. How long does it take to switch?
- When will I receive my contract confirmation?
- How can I stay with Ostrom when moving?Elinor's moving!
- Does LFW24 also apply with a special right of termination?
- Can I move my supply start date earlier?
- Why do I need my Market Location ID (MaLo-ID) for a supplier switch?
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 I enter?
- 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?