Ostrom: Smart, Green Energy at a Fair Price. Cancel Anytime.

Save up to 35%, or €500, on your annual energy bill! Ostrom offers a flexible, month-to-month energy plan with easy cancellation. Our app is available in English and German.

Become an Ostrom customer and enjoy full access to our user-friendly app. Track your energy usage, payments, CO₂ savings, and more, all in one place.

Monitor Your Energy Use

Our app provides a clear picture of your electricity consumption versus your monthly payments. Regularly update your meter readings for accurate tracking.

Smart Meter Compatibility

If you have a smart meter, track your hourly energy usage and receive billing based on the current hourly rate.

Effortless Bill Management

Manage your monthly payments directly through the app, avoiding unexpected year-end charges. Access all invoices and payments, and easily customize your payment method.

Exceptional Customer Support

Our dedicated support team provides quick and helpful assistance via in-app chat.

Smart Home Integration

Connect your HVAC system to the app for easy temperature and mode scheduling and adjustments.

Efficient EV Charging

Charge your electric vehicle during the cheapest, most environmentally friendly hours. Schedule your charging to coincide with optimal pricing.

Rewarding Referral Program

Share your unique referral code and earn €50 credit towards your bill or €100 credit for the Ostrom Store – your choice!

Shop the Ostrom Store

Discover smart home devices, heating solutions, e-mobility products, and more. Use your referral credit for discounts!

Exclusive Partner Benefits

Enjoy special offers and perks from our partner businesses.

Solar PV Partnerships

We partner with trusted solar photovoltaic providers to help you harness solar power.

Reduce Your Carbon Footprint

See the positive environmental impact of your switch to sustainable energy, and watch it grow as you refer friends.

Join Ostrom Today!

Sign up in just 5 minutes! We'll handle the administrative details, including notifying your current provider.

Go green and get smart with Ostrom!