Which tariffs does Ostrom offer and how do they work? | Ostrom Help Center
Which tariffs does Ostrom offer and how do they work?
Written by Karl Villanueva
May 21, 2026
⚙️ Simple, transparent and flexible
Electricity shouldn’t cause headaches - that’s exactly why we founded Ostrom.
We continuously work to ensure that our customers always have access to a fair and suitable electricity plan.
Our goal is to make electricity as simple, transparent, and flexible as possible - powered by 100% renewable energy and supported by smart technologies like the Ostrom app ( iOS & Android), helping you save time and effort.
⭐️ Our tariffs at a glance
SimplyFair
- Available to everyone, no smart meter required - calculate your plan here
- Includes: energy price + base fee incl. grid fees
- We review your consumption once per year and issue an annual invoice
- Cancellable at any time, notice period: 2 weeks
SimplyFair12
- Available to everyone, no smart meter required - calculate your plan here
- Includes: energy price + base fee (grid fees plus 8 € Ostrom base fee)
- 12 months of price protection including a minimum contract term
- Billing: once per year
- Notice period: 2 weeks before the end of the contract term
SimplyFair24
- Available to everyone, no smart meter required - calculate your plan here
- Includes: energy price + base fee (grid fees plus 8 € Ostrom base fee)
- 24 months of price protection including a minimum contract term
- Billing: once per year
- Notice period: 2 weeks before the end of the contract term
SimplyDynamicMonthly
Available to everyone, no smart meter required
Your transition tariff until the requirements for SimplyDynamic are met (once a smart meter is installed and hourly consumption data is available, we will automatically switch you to SimplyDynamic)
Includes:
a monthly adjusted energy price based on average SLP consumption
- base fee
Billing: once per year
Cancellable at any time, notice period: 2 weeks
SimplyDynamic
- Billed at the hourly spot market price
- Smart meter required
- Ideal if you can shift your electricity usage to cheaper hours
- Includes: spot price plus taxes, levies, and base fee
- We review your consumption monthly and issue a monthly invoice
- Cancellable at any time, notice period: 2 weeks
💌 Questions?
Reach out to us via chat or the contact form, we’re happy to help!