Discover the power of smart, green energy with Ostrom, where you can save up to 35% or up to 500 € on your annual energy bill. We offer a flexible monthly subscription that you can cancel at any time, ensuring you get electricity at cost price, and it's all accessible in English. Embrace the digital age with Ostrom and make the switch to sustainable energy today!

As a member of the Ostrom family, you'll have full access to our user-friendly app. It's your comprehensive tool for tracking energy consumption, managing payments, monitoring your CO₂ savings, and more.

Your Power Usage

With our app, you can easily monitor your electricity usage in relation to your monthly payments. Keep your app updated by regularly submitting your meter readings to stay on top of your consumption.

Smart Meter & Dynamic Tariff

If you have a smart meter, Ostrom allows you to track your energy use hourly and get billed at the current rate, ensuring you always pay the fairest price for your energy.

Billing Management

Experienced an unexpected increase in your energy usage this month? No problem. Adjust your monthly deposit within the app to avoid any end-of-year surprises. You can also review all your invoices, manage payments, and customize your payment methods seamlessly within the Ostrom ecosystem.

Friendly Support

Our dedicated support team is just a chat away. Connect with us through the app for top-notch customer service with quick response times, ensuring your concerns are addressed efficiently.

Connect Smart Devices

Integrate your Heating, Ventilation, or Air Conditioning (HVAC) systems with the Ostrom app to effortlessly schedule and adjust your settings for optimal comfort and efficiency.

Charge Your EV Efficiently

Maximize the efficiency of charging your electric vehicle by scheduling it during the cheapest and greenest hours. Our app provides full transparency, allowing you to set the time you need your EV ready, and it will charge when prices are at their best.

Referral Program

Get your unique referral code and share it with friends to earn referral bonuses. For every successful referral, you'll receive 50 € credited to your invoice or 100 € in credit to use in the Ostrom Store — the choice is yours!

Shop in the Ostrom Store

Explore the Ostrom Store for a variety of smart home devices, heating solutions, e-mobility products, and more. Use your referral credit in your Wallet to enjoy discounts on these innovative products.

Enjoy Partner Perks

As a valued Ostrom customer, you'll have access to exclusive perks and benefits from our partner companies, enhancing your overall experience with us.

Discover Solar PV Partners

Ostrom collaborates with trusted solar photovoltaic providers to help you harness the power of the sun, bringing sustainable energy directly to your home.

Green Footprint

See the positive environmental impact of switching to sustainable energy with Ostrom, and watch your green footprint grow as you invite more people to join the Ostrom journey.

Join Us Now

Not yet part of the Ostrom community? Joining is easy and takes just 5 minutes. We'll handle all the administrative tasks, including notifying your previous provider. Make the smart, green switch today with Ostrom!