Energy. Just Better.

Cheaper Energy Rate

All-English website, app, support
We handle your old provider
Over 100,000 clients trust Ostrom
Earn up to 300 € per year with NeoGrid™
Get 50 € for every referral!
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Look Who's Talking About Us
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Energy As It Should Have Always Been

We make green electricity simple and affordable for everyone. Get electricity at fair prices with no hidden markups. Track your usage, submit meter readings, charge your EV, chat with our English support, and much more - all in the Ostrom App!

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Transparent & Flexible

You are only ever charged whatever you consume. All tariffs are risk-free, monthly cancellable.

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No more asking a friend to translate to English. Our customer team is just one tap away!

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Digital Dream

We're probably the only provider in Germany to never send you mail. Everything's on our app!

Switch to Ostrom and reduce your electricity cost by up to 35%

SimplyFair
Variable tariff card

Stay flexible with our variable electricity tariff and enjoy the freedom of monthly cancellation.

Learn more
SimplyFair12
SimplyFair24

Our fixed tariff for all the people that like to know what their price is for the next 12 or 24 months.

Learn more
SimplyDynamic
Dynamic tariff illustration

Benefit from hourly prices with our dynamic tariff. Perfect for EV, Heat pump or battery systems.

Learn more

Are You Already An Ostrom Customer? Then Apply For Your Smart Meter Here.

We work with many different partner grids (see map) to make the smart meter rollout as efficient as possible. If you already have an Ostrom contract and live in the area of one of our partner grids, you can apply for a smart meter in the Ostrom App and switch to our SimplyDynamic tariff.

Is your grid operator not yet a partner of ours? Don't worry, we are already working on further collaborations. As soon as the smart meter order is available via a new grid, we will inform you in our app.

To The Ostrom App
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ED Netze
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Badenova Netze
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LEW
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SWM Infrastruktur
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Netze BW
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Pfalzwerke
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Regionetz
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NEW Netz GmbH
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EAM Netz GmbH
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Mitnetz (enviaM)
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Stadtwerke Münster
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Stadtwerke Bielefeld
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SW Osnabrück
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Enercity
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EWE Netz
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Stromnetz Hamburg
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Mainzer Netze
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Bayernwerk Netz
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N-ERGIE Netz
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Westnetz
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Avacon Netz
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NRM Netzdienste Rhein-Main
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E.DIS Netz
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Ovag Netz
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SH Netz
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Bonn-Netz GmbH
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EnergienetzeMittelrhein
Map outline of Germany with energy grids

Your Energy. Your Control.

Because let’s be honest: it’s overdue. Simply sign up on our website and manage everything in our app. No need for "email templates" or translation apps!

All In One Place

With the Ostrom app you can do it all:

Track your usage and meter readings
Manage Payments and Invoices
Control your smart devices
On-Demand Support

Our team will respond quickly and reliably to help you solve your problems! Do you have any questions? Just ask them directly in the chat in the Ostrom app.

Smart & Future-Proof

Track your energy usage, manage your devices, and save even more with NeoGrid® AI.

Test The App For Free On Demo Mode - Download Today!
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Stiftung Warentest Says...

"Most tariffs are around 21 cents. Ostrom is the cheapest and stands at 19.3 cents." The kilowatt-hour, including VAT and all additional costs, cost only 10.5 cents for our sample household in Berlin with Ostrom. The fixed costs at Ostrom amount to 16.2 cents per kilowatt-hour without VAT. If you subtract the negative electricity price of 7.4 cents from this and factor in VAT again, you arrive at this low price." (translated from German original)
Dyna­mic Electricity Tariffs Compared, 15.08.24

Ostrom app SimplyDynamic hourly yesterday popup (English)

Ostrom’s Smart Products

Browse our smart products for even better control over your energy consumption. From smart meter integration to electric vehicle charging, optimizing your consumption with Ostrom will benefit both the environment and your wallet!

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Dynamic Pricing

Take control of your energy costs! Our Dynamic Pricing lets you compare your consumption to the hourly market prices so you can use more when it costs less, and vice versa.

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HVAC system with Ostrom integration
Smart HVAC

Discover Ostrom's smart heating and cooling solutions. Take control with our user-friendly Ostrom App, saving energy and enjoying a comfortable home all year round.

Smart HVAC
EV car connected to virtual power plant (English)
Virtual Power Plant

Need your electric vehicle ready to go when you are? Just plug in and relax! With NeoGrid charging, you can not only save money but also earn money every time you charge!

Learn more
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Ostrom Store

Get everything you need for your smart home! From intelligent assistant speakers and electric vehicle chargers to smart thermostats and much more. Find it all on the Ostrom Store!

Order now
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Introducing NeoGrid: Our Virtual Power Plant For EV

Ostrom has just launched the first Virtual Power Plant for electric vehicles! With groundbreaking technology that optimizes both the purchase and sale of electricity, our Virtual Power Plant adds flexibility to the grid - while generating extra income for you. Now, you can not only save money but also earn money every time you charge!

What our NeoGrid Customers Are Saying

 View Testimonials
Michael Nord, Ostrom-Kunde
BMW-Fahrer
Michael Nord
#VPP
#E-auto

When I found out that Ostrom has now built a virtual power plant with NeoGrid, which my electric car can easily be integrated into, I was thrilled. What’s great is that I don’t need any special hardware for it – the charging schedule is managed through my car’s standard cloud connection. It really couldn’t be simpler.

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Holger Wenk, Ostrom-Kunde
Tesla-Fahrer
Holger Wenk
#VPP
#EV

At Ostrom, there’s something for everyone: low energy prices with fixed or dynamic rates – combined with fair service and everything in one app. As a customer, it has really paid off for me so far!

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Christian Dettmers, Ostrom-Kunde
Tesla-Fahrer
Christian Dettmers
#VPP
#EV

The activation was quick, and I was promptly offered the "VPP" (Virtual Power Plant) concept as a test user – which immediately convinced me.

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Jonas Maiwald, Ostrom-Kunde
Tesla-Fahrer
Jonas Maiwald
#VPP
#EV

Thanks to the dynamic tariff and NeoGrid, I charge my EV exactly when electricity is cheap and green – and even get money back per kWh. That makes sustainable mobility a no-brainer.

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Felix, Ostrom-Kunde
SimplyDynamic
Felix Stausberg
#SmartMeter
#DynamicTarif

By connecting our heat pump, PV system, and electric car with the Ostrom app, we optimally benefit from the dynamic tariff. This allows us to automatically save on electricity costs and use energy in the best possible way.

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Joachim, Ostrom-Kunde
SimplyDynamic
Joachim Vollstedt
#SmartMeter
#DynamicTarif

After several unsuccessful attempts to get a smart meter from the network provider, Ostrom came into play. I immediately accepted the unrivaled affordable offer. Since then, heating with electricity and our heat pump has been absolutely without alternative. Green electricity, sometimes free or even with cash back, fair, monthly, and transparent billing. Simply the best electricity provider we've ever had. What more could you want?

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Frank, Ostrom-Kunde
SimplyDynamic
Frank Anderl
#SmartMeter
#DynamicTarif

Ostrom helps me save money with the dynamic tariff. In connection with my wallbox, I charge my EV at favorable grid prices. The app is clearly designed and the support responds very quickly!

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Pradeep, Ostrom-Kunde
SimplyDynamic
Pradeep Bora
#SmartMeter
#DynamicTarif

I've been an Ostrom customer for a while now, and I’m genuinely impressed with their service. The onboarding process was simple and transparent, and I appreciated the flexibility they offer with their fully digital platform. Their customer support is responsive, the app is easy to use, and I always have a clear overview of my energy usage and costs. It’s refreshing to work with a provider that’s both modern and environmentally conscious. Highly recommended! - Pradeep Singh Bora

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Control 1400+ Devices With Ostrom

We integrate with dozens of partner brands and hundreds of devices from various electric vehicles, EV chargers, heat pumps and smart home appliances. Control them all through the Ostrom app, your home energy management platform.

Acura logo
Acura
Alfa Romeo logo
Alfa Romeo
Earn additional NeoGrid credits for every kWh charged (requires a compatible wallbox)
Audi logo
Audi
Earn additional NeoGrid credits for every kWh charged
BMW logo
BMW
Earn additional NeoGrid credits for every kWh charged
Cadillac logo
Cadillac
Chevrolet logo
Chevrolet
Chrysler logo
Chrysler
Citroën logo
Citroën
CUPRA logo
Cupra
Earn additional NeoGrid credits for every kWh charged
Dodge logo
Dodge
DS Automobiles logo
DS
Fiat logo
Fiat
Ford logo
Ford
Earn additional NeoGrid credits for every kWh charged (requires a compatible wallbox)
GMC logo
GMC
Honda logo
Honda
Hyundai logo
Hyundai
Jaguar logo
Jaguar
Earn additional NeoGrid credits for every kWh charged
Jeep logo
Jeep
Earn additional NeoGrid credits for every kWh charged (requires a compatible wallbox)
Kia logo
Kia
Lancia logo
Lancia
Earn additional NeoGrid credits for every kWh charged (requires a compatible wallbox)
Land Rover logo
Landrover
Earn additional NeoGrid credits for every kWh charged
Lexus logo
Lexus
Earn additional NeoGrid credits for every kWh charged (requires a compatible wallbox)
Lucid logo
Lucid
Earn additional NeoGrid credits for every kWh charged (requires a compatible wallbox)
Mercedes-Benz logo
Mercedes
Earn additional NeoGrid credits for every kWh charged
MINI logo
Mini
Earn additional NeoGrid credits for every kWh charged
NIO logo
NIO
Earn additional NeoGrid credits for every kWh charged (requires a compatible wallbox)
Nissan logo
Nissan
Earn additional NeoGrid credits for every kWh charged (requires a compatible wallbox)
Opel logo
Opel
Peugeot logo
Peugeot
Polestar logo
Polestar
Porsche logo
Porsche
Earn additional NeoGrid credits for every kWh charged
RAM logo
Ram
Earn additional NeoGrid credits for every kWh charged (requires a compatible wallbox)
Renault logo
Renault
Earn additional NeoGrid credits for every kWh charged (requires a compatible wallbox)
Rivian logo
Rivian
Earn additional NeoGrid credits for every kWh charged (requires a compatible wallbox)
SEAT logo
Seat
Earn additional NeoGrid credits for every kWh charged
Škoda logo
Skoda
Earn additional NeoGrid credits for every kWh charged
Subaru logo
Subaru
Earn additional NeoGrid credits for every kWh charged (requires a compatible wallbox)
Tesla logo
Tesla
Earn additional NeoGrid credits for every kWh charged
Toyota logo
Toyota
Earn additional NeoGrid credits for every kWh charged (requires a compatible wallbox)
Vauxhall logo
Vauxhall
Earn additional NeoGrid credits for every kWh charged (requires a compatible wallbox)
Volkswagen logo
Volkswagen
Earn additional NeoGrid credits for every kWh charged
Volvo logo
Volvo
Earn additional NeoGrid credits for every kWh charged
XPENG logo
XPENG
Earn additional NeoGrid credits for every kWh charged (requires a compatible wallbox)
Dacia logo
Dacia
Earn additional NeoGrid credits for every kWh charged (requires a compatible wallbox)
Alpine logo
Alpine
Earn additional NeoGrid credits for every kWh charged (requires a compatible wallbox)
Mazda logo
Mazda
Earn additional NeoGrid credits for every kWh charged (requires a compatible wallbox)
MG logo
MG
Requires compatible charger for NeoGrid® AI.
HS
MARVEL R
MG4
MG5
ZS
ChargeAmps logo
Charge Amps
Requires a connected electric vehicle as well.
ChargePoint logo
Charge Point
Easee logo
Easee
Requires a connected electric vehicle as well.
EO Charging logo
EO
Requires a connected electric vehicle as well.
EVBox logo
EVBox
GARO logo
Garo
go-e logo
GO-E
Requires a connected electric vehicle as well.
Heidelberg logo
Heidelberg
Requires a connected electric vehicle as well.
Hypervolt logo
Hypervolt
Requires a connected electric vehicle as well.
KEBA logo
KEBA
myenergi logo
myenergi
Requires a connected electric vehicle as well.
Ohme logo
Ohme
Pod Point logo
PodPoint
Requires a connected electric vehicle as well.
Schneider Electric logo
Schneider Electric
Requires a connected electric vehicle as well.
Tesla logo
Tesla
Requires a connected electric vehicle as well.
Wallbox logo
Wallbox
Requires a connected electric vehicle as well.
Zaptec logo
Zaptec
Requires a connected electric vehicle as well.
Adax logo
Adax
Bosch logo
Bosch
Daikin logo
Daikin
Ecobee logo
Ecobee
Fujitsu logo
Fujitsu
Honeywell logo
Honeywell
MicroMatic logo
Micro Matic
Mill logo
Mill
Mitsubishi logo
Mitsubishi
Google Nest logo
Nest
Netatmo logo
Netatmo
NIBE logo
NIBE
Panasonic logo
Panasonic
Resideo logo
Resideo
Sensibo logo
Sensibo
tado° logo
Tado
Toshiba logo
Toshiba
Vaillant logo
Vaillant
Viessmann logo
Viessmann
Und mehr kommt bald…
AFORE logo
Afore
APsystems logo
APsystems
CSI Solar logo
CSISolar
Deye logo
Deye
Enphase logo
Enphase
FoxESS logo
FOXESS
Fronius logo
Fronius
GivEnergy logo
GivEnergy
GoodWe logo
Goodwe
Growatt logo
Growatt
Hoymiles logo
Hoymiles
Huawei logo
Huawei
INVT logo
INVT
SMA logo
SMA
Sofar Solar logo
SOFAR
SolarEdge logo
SolarEdge
Sol-Ark logo
SolArk
SolaX logo
Solax
Solis logo
Solis
SolPlanet logo
Solplanet
Sungrow logo
Sungrow
SunSynk logo
SUNSYNK
Tesla logo
Tesla
TSUN logo
TSUN
Und mehr kommt bald…
Enphase logo
Enphase
Huawei logo
Huawei
Earn additional NeoGrid credits for every kWh charged
SMA logo
SMA
SolarEdge logo
SolarEdge
Tesla logo
Tesla
Solis logo
Solis
SolaX logo
Solax
GivEnergy logo
GivEnergy
FoxESS logo
FoxESS
Enphase logo
Enphase
FoxESS logo
FOXESS
GivEnergy logo
GivEnergy
Huawei logo
Huawei
SMA logo
SMA
SolarEdge logo
SolarEdge
SolaX logo
Solax
Solis logo
Solis
Tesla logo
Tesla
E3/DC logo
E3DC
Haier logo
Haier
Schneider Electric logo
Schneider Electric
Syft Power logo
Shyft-Power
Homey logo
Homey
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You can also use our dynamic tariff in other apps. Either by connecting your Ostrom tariff directly or via the EPEX Spot and Nordpool exchange prices.

Compatible Devices In The Ostrom Store

Visit our Ostrom Store to find compatible devices you can easily install and connect to our Ostrom App.

What Our Customers Are Saying

We take pride in providing excellent customer service. But don’t just take our word for it: Hear it from customers who’ve already made the move to Ostrom.

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Proud To Be A B Corp™

Ostrom is now a Certified B Corporation meaning we are part of a global community working to make high social and environmental impact. This strengthens our commitment to creating a better workplace, community and environment.

Our B Corp™ Announcement

Breakups Are Never Easy… Oh Wait, With Ostrom They Are!

Lean back and enjoy: When switching to us, we handle all the details with your old provider.

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Seamless & Carefree

We manage the cancellation and handover process so you can stay lit at all times!

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Uninterrupted Service

We'll sort everything right away! Even after setup, we’re here to make sure everything works smoothly.

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We Deal With Your Ex

Let Ostrom do it for you: We'll let your old provider know you’ve seen the light.

The 5 Most Frequently Asked Questions

#1 Why should I switch to Ostrom?
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Ostrom is the only energy provider that has the same incentives as you - to use less electricity! With our flat 6 € basic fee, we earn the same from a small flat as from a large house. Therefore, unlike every other energy provider, we genuinely want you to use less electricity.Oh yeah, and we have our top-rated app... and our incredible customer support... and our smart integrations... and our certified green energy...

#2 I still have my contract period with my old provider. Do I have to wait? (Not at all!)
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No, there’s no need to wait! Even if your current contract has up to 12 months remaining, you can sign up early with Ostrom today. Just sign up now, and we’ll take care of the rest - once your existing contract ends according to pre-agreed terms, we will seamlessly switch you to Ostrom.

#3 What is the difference between the SimplyFair and SimplyDynamic tariffs?
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SimplyFair: Our original transparent tariff for all! Easily add meter readings to track your consumption on our app. Energy prices track the market prices on a monthly basis. In fact, in the last 2 years we’ve already decreased prices seven times!‍

‍SimplyDynamic: Our smart-meter compatible tariff! For those customers who already have a smart meter, automatically see your energy consumption on an hourly basis. This means you can take advantage of low prices when the sun shines or the wind blows!‍Both have all the great features for all Ostrom customers: risk-free monthly cancellable contract, all the features of the Ostrom App (smart home integrations, referrals, perks, CO2 tracking, Ostrom Store, live customer chat & more!)

#4 I'm worried about price changes. What do they look like at Ostrom?
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While energy prices change often, our SimplyFair tariff removes that complexity for our customers. It's the perfect balance between dynamic prices that change hourly and 24-month contracts that keep you locked in to a high price (think households in 2025 still paying 2022 prices).‍We truly stick to our electricity-at-fair-prices model. This means that unlike our competitors whose prices mostly only go up, we even pass on decreases as well. Since our monthly fixed fee means we do not profit from price increases, increases only happen when market prices change significantly, such as during the energy crisis a few years ago. However since then, we have decreased prices 7 times and only increased once, still achieving a significantly cheaper price over time.

#5 Does Ostrom offer risk-free, flexible, monthly cancellable contracts?
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Yes! Both our SimplyFair and SimplyDynamic tariffs do not have the typical 12- or 24-month minimum contract periods like every other provider. We want you to stay because you want to, not because you have to.

Green Energy Made Easy

Switch and save in only 5 minutes

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