Ostrom

Power that's Digital, Fair, and Priced at Cost. Fully in English. Cancel anytime you like.

Cut your yearly energy bill by up to 35% or save as much as 500 €! Ostrom is your intelligent green energy partner, offering a flexible monthly plan that you can cancel at any moment. Use our app in English or German!

When you join the Ostrom family, you get full access to the Ostrom app — your central hub for monitoring energy use, payments, CO₂ savings, and beyond.

YOUR POWER USAGE

The Ostrom app lets you see how your electricity usage stacks up against your monthly payments. Just update your meter readings regularly to keep everything accurate.

SMART METER & DYNAMIC TARIFF

Have a smart meter? We make it simple to monitor your hourly energy use and get billed at the real-time hourly price.

BILLING MANAGEMENT

Used more power than usual this month? Adjust your monthly deposit right in the app to avoid surprise charges at year's end. View all invoices, track payments, and change your payment method — all from one place.

FRIENDLY SUPPORT

Our friendly support team is ready to help in the app chat. Reach out anytime for quick answers and top-tier customer care.

CONNECT SMART DEVICES

Connect your Heating, Ventilation, or Air Conditioning (HVAC) system to the Ostrom app for easy scheduling and temperature control.

CHARGE YOUR EV EFFICIENTLY

Charge your electric vehicle during the most affordable and eco-friendly hours with complete cost transparency. Set when you need your EV ready, and it will charge when rates are lowest.

REFERRAL PROGRAM

Grab your personal referral code, share it with friends, and earn rewards for every successful sign-up. You’ll get 50 € off your bill or 100 € to spend in the Ostrom Store — the choice is yours!

SHOP IN THE OSTROM STORE

The Ostrom Store offers smart home devices, heating systems, e-mobility gear, and more! Use your referral credit to get discounts on great products.

ENJOY PARTNER PERKS

As a valued Ostrom customer, you get special perks and benefits from our partner brands.

DISCOVER SOLAR PV PARTNERS

Ostrom works with trusted solar PV providers to help you harness solar energy for your home.

GREEN FOOTPRINT

See the positive environmental impact you make by switching to clean energy — and watch it grow as you refer more people to Ostrom.

JOIN US NOW

Not with Ostrom yet? Sign up in just 5 minutes, and we’ll handle all the paperwork — including informing your old provider.

Get smart and go green with Ostrom today!

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