Only for customers with smart meters.
Control your electricity costs! We offer a dynamic green electricity tariff that allows you to track your energy consumption in real time and is billed at the current hourly rate. Save up to €500 per year! We always pass on the wholesale electricity price, including taxes and duties, directly to you.
Only valid for new customers. You will receive your €70 bonus directly to your wallet in the Ostrom app.
*Important: Only create a discount code if it will definitely be used. Please treat the discount code confidentially and do not pass it on to third parties. It is not always possible to combine discounts. Further general information can be found on the brand website.
We’ve made it our mission to provide green electricity for all. By leveraging tech, we keep things lean and simple, allowing us to focus on our customer’s needs and stay 100% green — without needing to markup our tariffs like other providers.
Flexible & Fair
We sell our energy at cost because we'd rather our customers consume less, instead of more.
Green & Clean
We buy electricity from 100% renewable sources - check out our map for yourself.
Simple & Digital
Read your meter, manage your payments, or chat with us live—all in one app. No letters, no fax!