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Ostrom customer? Use your Ostrom Wallet balance!

Earn Ostrom Wallet credits by referring Ostrom to your friends and family.

If your personal referral code is used when concluding the contract, you and the person you refer will receive €50 store credit (or a €35 credit on your electricity bill).

Ostrom - Energy. Just Better.

We are making it easier for all of Germany to switch to 100% green electricity. Thanks to smart technology, we are optimizing our processes so that we can respond to our customers' needs - and offer electricity transparently at cost.

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The Ostrom App

As an Ostrom customer, you can control over 400+ devices with the Ostrom app and reduce your electricity costs.

Create heating plans, control the charging of your electric car and monitor how much electricity your solar system produces.

Ostrom App

Optimized charging of your electric car!

Save up to 35% or €500 annually with Smart EV Charging. We are pioneering smart charging so you can charge your electric vehicle (EV) at the cheapest and most environmentally friendly times!

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Reduce your heating costs

With our supported smart home devices, you can take advantage of our intelligent optimization. Create heating schedules and automations to reduce your heating costs.

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Let the sun work for you!

Discover the next level of cost control and sustainability. Use the inverter data from your solar system to ensure that you use the electricity you produce yourself.

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FAQ - Ostrom Store

What is Ostrom?

Ostrom was founded with the idea that managing your energy shouldn't be a headache. That's why we're always working to ensure that all our customers get the best possible tariff, with no strings attached.

In addition, we offer smart home devices and other products in our Ostrom Store to help you optimize your energy costs.

What is the Ostrom Wallet?

If you are an Ostrom customer, you can invite your friends and family to Ostrom by using your referral code. If they successfully sign up for an electricity tariff with Ostrom, you and the person you referred will receive store credit worth 50 €.

Find out more about our referral programe here: LINK

Which articles can be integrated into the Ostrom app?

Some of the articles in the Ostrom Store can be integrated into our Ostrom App. As an app user, you can use various automations such as creating your own personalised heating plan.

Products from tado°, Zaptec, Easee, Adax, Mill and also devices from Vaillant and Viessmann can be integrated.

Here you can find the complete list of integrable devices: LINK

Shipping conditions

Shipping in the Ostrom Store is free of charge. The dispatch time is approx. 2-4 days.

Return conditions

Don't like the product or did the product arrive damaged? You can return it to us free of charge, within 30 days. The purchase amount will be transferred back to you as soon as we have received and assessed the return.

Contact us at hallo@ostrom.de to receive your return label.

Become part of the green revolution!

This soft hoodie can be worn in any season and provides comfort all year round. Practical and beautiful with a drawstring and a kangaroo pocket. Show your support for renewable energy. Wear your commitment to a sustainable future with pride!

Our Partners

  • Modernize your heating system with our partner Vaillant and integrate it directly into our Ostrom App.

    Configure system 
  • With SOLY you can use the power of the sun for your home and combine it with the intelligent tariffs from Ostrom!

    Request information 
  • Your path to a solar system with Otovo - flexible purchase or rental, installed in 6-8 weeks, top price-performance ratio.

    Request information 
  • Switch to a heat pump in 30 days. Smooth switch away from gas or oil heating and save up to 40% on energy costs.

    Request information