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

Save up to 35%, or €500, annually on your energy bill! Ostrom offers a flexible, month-to-month energy plan with easy cancellation. Manage your account via our app in English or German.

As an Ostrom customer, you'll have full access to our user-friendly app, providing a centralized view of your energy consumption, payments, CO₂ savings, and more.

Monitor Your Energy Use

Track your electricity usage against your monthly payments within the app. Keep your data current by regularly updating your meter readings.

Smart Meter Compatibility & Dynamic Pricing

Smart meter users can track hourly energy consumption and receive billing based on the current hourly rate.

Simplified Billing & Payment Management

Adjust your monthly payment directly through the app to avoid year-end surprises. Access all invoices and payments, and customize your payment method – all in one place.

Exceptional Customer Support

Our dedicated support team is readily available via in-app chat, offering prompt and helpful service.

Smart Home Device Integration

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

Efficient EV Charging

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

Refer-a-Friend Program

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

Ostrom Store: Smart Home & More

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

Exclusive Partner Benefits

Enjoy special offers and perks from our partner companies.

Solar PV Partnerships

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

Track Your Green Impact

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

Join Ostrom Today

Signing up takes just 5 minutes! We handle all the administrative details, including notifying your current provider.

Go green and get smart with Ostrom!