What is a Base Fee Discount (Grundpreisrabatt)? | Ostrom Help Center

What is a Base Fee Discount (Grundpreisrabatt)?

Written by Philip Janz
January 28, 2026

A base fee discount is a bonus you may receive when signing up via partner or comparison portals.

It reduces your monthly deposit over a defined period.


💡 How does the base fee discount work?

👉 This is not a one-time payout, but a monthly deduction.


📉 How is the discount paid out?

The base fee discount is directly deducted from your monthly deposit.

Example:

You’ll see this reflected in your billing.


❓ Why don’t I see the discount in my contract yet?

This is completely normal and the most common question.

Before supply starts:

👉 With your first debit after supply start, the discount is automatically deducted, even if it wasn’t visible before.

You will not miss out on the discount.


🧾 When does the discount apply?

Once your contract is active, the discount is applied automatically.


⛔ When does the base fee discount not apply?

The discount does not apply if:


🔄 What if I cancel before the 12 months are over?

No worries:


🆘 Need help or want to double-check?

To check whether your contract includes a base fee discount:

Our AI or a human agent will help you instantly.