Electricity: Digital & Fair at Cost Price. All in English. Cancel any time.

Save up to 35% or up to 500 € on your energy bill annually! Ostrom is a smart green energy provider offering a flexible monthly subscription that can be canceled anytime. Access our app in English or German!

As a member of the Ostrom family, you'll have full access to the Ostrom app, your comprehensive tool for tracking energy consumption, payments, CO₂ emissions saved, and more.

YOUR POWER USAGE

Use our app to gain insights into your electricity usage in relation to your monthly payments. Keep the app up-to-date by regularly submitting your meter readings.

SMART METER & DYNAMIC TARIFF

If you have a smart meter, Ostrom allows you to monitor your energy consumption on an hourly basis and be billed at the current hourly rate.

BILLING MANAGEMENT

Experienced a spike in power usage this month? Adjust your monthly deposit directly within the app to avoid any end-of-year additional charges. Access all your invoices, payments, and customize your payment method – all in one place.

FRIENDLY SUPPORT

Our dedicated team is available in the chat. Connect with us through the app for exceptional customer service with rapid response times.

CONNECT SMART DEVICES

Link your Heating, Ventilation, or Air Conditioning (HVAC) systems to the Ostrom app to effortlessly schedule and adjust your temperature and mode.

CHARGE YOUR EV EFFICIENTLY

Charge your electric vehicle during the most cost-effective and green hours with full transparency. Set the time you need your EV ready, and it will charge when prices are at their best.

REFERRAL PROGRAM

Get your exclusive referral code, share it with your friends, and watch your referral bonuses accumulate. For each successful referral, you'll receive 50 € credited to your invoice or 100 € credit to use in the Ostrom Store — it's your choice!

SHOP IN THE OSTROM STORE

Explore the Ostrom Store for smart home devices, heating solutions, e-mobility products, and more! Use your referral credit in your Wallet to get discounts on products.

ENJOY PARTNER PERKS

As our valued customer, enjoy exclusive perks and benefits from our partner companies.

DISCOVER SOLAR PV PARTNERS

Ostrom collaborates with reputable solar photovoltaic providers to help you harness the power of the sun at home.

GREEN FOOTPRINT

See your positive environmental impact from switching to sustainable energy, and watch it grow as you bring more people into the Ostrom community.

JOIN US NOW

Not yet a member of the Ostrom community? No problem! Signing up takes just 5 minutes, and we'll handle all the administrative tasks, including notifying your previous provider.

Get smart and make the green switch today with Ostrom!