✓ One transparent plan, cancel anytime
✓ Everything in English and German
✓ 100% green energy
✓ Available anywhere in Germany
✓ Get 35€ for every friend who signs up too!
Ostrom uses tech to keep things lean, which means we can provide excellent customer service, transparency, flexibility, and the greenest electricity—without needing to markup our tariffs like other providers do.
We sell our energy at cost because we'd rather our customers consume less, instead of more.
We sign with 100% renewable energy sources, meaning your power comes from the best places.
Read your meter, manage your payments, or chat with us live—all in one app. No letters, no fax!
Moving apartments? Or leaving the country? With Ostrom you'll never be locked into a contract, or sent bills for energy you didn't use. Sign up with us now, and cancel whenever you want.
Calculate TariffWe only partner with reliable green electricity sources across Germany, so you'll always know exactly where your Ostrom power comes from. See for yourself!
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Sign up easily on our website, then manage everything in our app. No need for "email templates" or translation apps!
Toggle your monthly payments, see your invoices, submit your meter reading, change your billing—all within the Ostrom app.
Our live customer support gives you answers in minutes, not hours or days!
We're a proudly German startup, but we know deutsche Sprache, schwere Sprache. This is why we also offer end-to-end English, from signup to contract.
We take pride in providing excellent customer service. But don’t just take our word for it: Hear it from customers who’ve already made the jump to Ostrom.
Lean back and enjoy: When switching to us, we handle all the details with your old provider.
We manage the cancellation and handover process so you can stay lit at all times!
We'll sort everything right away! Even after the technical setup, we’re here to make sure everything works smoothly.
Let Ostrom do it for you: We let your old provider know you’ve seen the light.
Switch and save in only 5 minutes!