Our Blog ⚡️ Ostrom™

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NeoGrid® AI

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NeoGrid® AI für Solaranlage und Heimspeicher: Hol das Meiste aus jeder kWh

Ab 14.07.2026 bindet NeoGrid® AI deine Solaranlage und deinen Heimspeicher ins Virtuelle Kraftwerk ein. Spare mehr und sammle NeoGrid Credits, mit jedem Tarif.

Energy

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Merit Order: Why Your Electricity Bill Rises When Gas Gets Expensive (Even if You Use Green Energy)

Das teuerste noch benötigte Kraftwerk, oft Gas, bestimmt den Strompreis für alle, auch bei 100 % Ökostromtarifen. Dynamische Tarife bieten Sparchancen.

Energy

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How a Household with an EV and Electric Heating Saves Over 650 € per Year – Thanks to a Dynamic Tariff

Are you wondering whether a dynamic tariff is worth it? In this article, we’ll show you, using real consumption data, how one customer saved up to 653 € with our dynamic tariff.

Energy

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How the Iran Crisis Is Reshaping European Energy Prices

How geopolitical conflicts ripple through global gas and oil markets all the way to your electricity bill and why renewable energy is the best protection against it.

Energy

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Smarter Heizen 2025. Effizient durch den Winter mit digitaler Technik und Förderung

Smarter Heizen 2025. Mit digitalen Thermostaten, effizienter Technik und aktueller Förderung Heizkosten senken und umweltbewusst durch den Winter. Der Winter kommt und mit smarter Technik, aktuellen Regeln und Förderungen kannst Du effizienter und grüner heizen." ❄️🔥🌱

Energy

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Updated Tariff Details for 2026

Electricity prices across Europe have risen throughout 2025 due to various global events. Even though Ostrom always sources 100 % renewable electricity, our electricity-at-cost model means our prices follow overall market trends.

Energy

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Dynamische Stromtarife im Vergleich – Fakten & Empfehlungen für das Jahr 2026

Was sind dynamische Stromtarife, für wen lohnen sie sich und welche Voraussetzungen brauchst du. Mit einfacher Erklärung, Beispielen und Checkliste. Wir zeigen dir welche dynamischen Stromtarife im Jahr 2025 die günstigsten sind. Stand November 2025.

Energy

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Dynamische Stromtarife 2025 im Vergleich – Fakten & Empfehlungen

Was sind dynamische Stromtarife, für wen lohnen sie sich und welche Voraussetzungen brauchst du. Mit einfacher Erklärung, Beispielen und Checkliste zeigen wir dir, wer die günstigsten dynamischen Stromtarife in 2025 hat.

Ostrom

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Ostrom Raises 20 Million € Series B led by Eneco Ventures to Accelerate Germany’s Smart Energy Revolution

Ostrom, the German digital green energy provider committed to making energy smarter, fairer, and greener, today announced a €20 million Series B funding in a round led by Eneco Ventures.

Ostrom

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Ostrom and MVV cooperate on dynamic tariffs

More and more households want to reduce their energy costs and at the same time make a contribution to the energy turnaround. This is precisely where the new partnership between MVV and Ostrom comes in.

Ostrom

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Ostrom Wins the German Service Award 2025 in the Smart Home Category!

We are excited to share some great news with you: Ostrom has been awarded the German Service Award 2025 in the Smart Home category!

Ostrom

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Dynamic Electricity Tariff for the Solar Manager

The combination of Solar Manager and dynamic tariff allows you to manage your consumption intelligently and maximise savings with solar systems, home storage systems, heat pumps and your EV.

Ostrom

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From Smart Meter to Dynamic Tariff – How to Successfully Switch Your Tariff Step by Step

Congratulations! 🎉 You have a smart meter! But what steps are necessary to switch your tariff to a dynamic electricity tariff? In this guide, you'll find everything you need to know.

Ostrom

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Ostrom launches NeoGrid: Germany’s first virtual power plant for electric vehicles to support the energy transition

Imagine being able to earn money with the battery of your electric car – and now, that's a reality! Ostrom makes it possible. From today, we will be launching NeoGrid, Germany's first functioning virtual power plant specifically for electric vehicles.

Ostrom

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Introducing the Ostrom Connect Bonus: More Ways to Save, More Reasons to Share

In 2024, there were exciting changes to our referral program! The new Connect Bonus now rewards you additionally for connecting smart devices like solar panels. Starting in 2025, the Loyalty Bonus will also be introduced. Learn more about it in our blog article!

Ostrom

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Protecting Your Energy & Privacy: How Ostrom Stays Secure

Ostrom ensures your data is secure through continuous improvements in cybersecurity, rigorous team training, and robust technological safeguards, so you can trust us with both your energy and privacy.

Ostrom

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Biggest Change to our Ostrom Referral Program to Date — Bonus now up to 100 €!

We’ve increased our bonus for all new referrals from 35 € to 50 € for our Credit to Invoice option, and from 70 € to a whopping 100 € for our Credit to Store option!

Ostrom

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Ostrom Makes Its Popular Referral Program Even Better

As of today, our popular referral program will now have a 70 € bonus to our Ostrom Store, up from the previous 50 €! This applies to all new and existing customers and referrals.

Ostrom

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Ostrom Turns 3!

From the pandemic, to the energy crisis, to the current high inflation and interest rate environment, not only has Ostrom made it through but thrived for three years strong.

Ostrom

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Ostrom 2nd Birthday: Turning Headwinds into Wind Power

As Ostrom turns two, we reflect on our challenges and wins and why we're excited about the future!

Ostrom

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Ostrom Partner Perks: Benefits for Customers

Great customer benefits, brought to you by Ostrom and our partnerships.

Ostrom

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Ostrom Launches Dynamic Pricing Tariff

Finally, we are excited to announce a new tariff—our dynamic tariff, SimplyDynamic is here! Ostrom now enables all customers who already have a smart meter to consume electricity when it is the cheapest and greenest.

Ostrom

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Support from Ostrom: Your Go-To Guide

Information, contacting Ostrom, payment advice? We've put together this handy guide to help you get the support you need in a snap.

Ostrom

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Smart HVAC Launch

We're leading the way in developing smart heating and cooling solutions, providing you with complete control over your smart home devices. Now you can connect all of them like heat pumps, thermostats, air conditioning units and many more directly in our Ostrom app.

Ostrom

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Dynamic Tariffs & Virtual Power Plant with Bullfinch

Innovation in the Energy Market: Bullfinch and Ostrom Collaborate on Dynamic Tariffs

Ostrom

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Product Launch: Ostrom Solar Integration

The world of renewable energy is evolving, and Ostrom is at the forefront of it. Solar PV from Ostrom is redefining energy consumption.

Ostrom

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Ostrom Switches To Fax: April Fools Day!

Ostrom switches to Fax for its communications to keep up with Germany.

Ostrom

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Ostrom Becomes a Partner of the Smart Meter Initiative

The Smart Meter Initiative, founded in January 2024, has a new partner after just under a month. The Berlin startup Ostrom, a leading German provider of dynamic electricity tariffs, is joining the alliance with immediate effect.

Ostrom

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SE Ventures leads $8M investment round in digital energy and smart home innovator Ostrom

After closing its $10 million Series A in December 2022, Ostrom has raised an additional $8 million in an investment round led by SE Ventures, a Silicon Valley-based venture fund backed by Schneider Electric.

Ostrom

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How to Use the Ostrom Wallet

In just a few simple steps, you can browse products, add them to your shopping basket and use credit from your Ostrom Wallet for a discount. Here’s how you can use the Ostrom Wallet.

Ostrom

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Ostrom Price Decrease #6: July 2023

As electricity prices stabilize, we're reducing our rates again by 2.25 ct/kWh gross, leading to additional annual savings of €50 per average Ostrom customer, on top of previous savings from earlier reductions.

Ostrom

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Ostrom Price Adjustment January 2024: Adjusting the Electricity Price for Our Customers

Due to various changes taking effect in 2024, the vast majority of Ostrom customers will see a price decrease! Overall, most customers experience price decreases due to reduced electricity costs, which are partially offset by increased grid fees and other subsidies.

Ostrom

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Ostrom and Vaillant: The Partnership for Heat Pumps

Our new partnership with Vaillant for customers with heat pumps to optimize energy and cost efficiency.

Ostrom

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Ostrom Wallet: Our New and Improved Referral System

Exciting news! Our Ostrom referral program continues to succeed, and our community is growing. We're grateful for your loyalty and support in sharing referral codes with family and friends. Thank you for contributing to our growth!

Ostrom

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Ostrom Price Decrease #5: May 2023

Ostrom reduces electricity costs for all customers once again! The unit rate will be decreased by 2.25 ct/kWh gross which translates to additional annual savings of 50€ per year, on top of the several hundred euros from our earlier price decreases for the average Ostrom customer.

Ostrom

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Ostrom Recap: Q3 Achievements

We have been up to some exciting things the past few months😮‍💨 and wanted to share these updates with you, our valued customer! New releases, new products, and new ways for you to make your energy consumption greener and cheaper! Here we go👇

Ostrom

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Marketing Team Profile

Currently, there is a strong focus on building a solid foundation of organic marketing. This is done through interesting Instagram/LinkedIn content pieces and entertaining TikTok and Reel videos.

Ostrom

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Why Diana Zur Löwen Invested In Ostrom

With over 1.5 million followers on Instagram and Youtube, most people may know her through her social media posts. What you should know is that Diana is also an entrepreneur focused on sustainability and digitalization through her fund Rawr Ventures.

Ostrom

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Smart green energy provider Ostrom raises 9.3€ million Series A to help consumers use less electricity

Leading US-based investors Adjacent and Union Square Ventures invest in Ostrom to push its energy management platform in Europe.

Ostrom

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Why the name Ostrom?

Elinor Ostrom and The Tragedy of the Commons: Discover How Her Research Provides Sustainable Solutions for Commonly Shared Resources.

Ostrom

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Ostrom Price Adjustment September 2022

Ostrom offers a flexible tariff with no minimum contract period and 100% green energy. We sell electricity at purchase price and only charge a €6 monthly fee, not profiting from rising prices. To protect our customers, we chose not to pass on the peak August prices during the crisis.

Ostrom

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Save on your energy bill and win an awesome Ostrom hoodie!

Save on your energy bill AND win an awesome Ostrom hoodie! On top of getting 35€ per referral as usual, the top 3 Ostrom referrers per quarter will win an Ostrom hoodie from us!

Ostrom

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Ostrom Reaches 1,000 Reviews on Trustpilot with 4.8 Stars

This was done in just over a year, and continues our streak as Germany's best-rated energy provider!

Ostrom

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Tech Team Profile

As of October, the Tech team is made up of eight individuals from six different countries.

Ostrom

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International Women's Day: Gender Diversity at Ostrom

Wednesday the 8th of March is International Women’s Day, the perfect time to share some insight into gender diversity within the energy market and Ostrom, too!

Ostrom

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Ostrom Price Adjustment: August 2022

Ostrom adapts to the market conditions. Ostrom still sells electricity at cost and customers remain flexible!

Ostrom

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Ostrom Raises Seed Round, Bringing Total Funding to €4.4 Million

468 Capital, J12 Ventures, Global Founders Capital and Übermorgen Ventures, together with key angel investors, invest in Ostrom to scale its tech, team, and suite of energy products

Ostrom

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The Intersection of Sustainability and Tech: Dance x Ostrom

Ostrom takes advantage of Dance bikes for our employees. The electric bike subscription-based company is a perfect match for our green and digital core.

Ostrom

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Ostrom Wins World's Best Challenger Brand at Charge Awards

Ostrom wins big at the Charge Awards 2022 event in Reykjavik, Iceland — winning the World's Best Challenger Brand among a competitive field of energy companies.

Ostrom

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Ostrom 1st Birthday: How It Started vs. How It's Going

Ostrom turns a year old today! A quick look back on what we've accomplished and our vision for the future.

Ostrom

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Ostrom is Now a Certified B Corporation

Ostrom, the smart & green energy provider with the aim of being Europe’s leading consumer energy management platform, is elated and extremely proud to say it has officially become a Certified B Corporation™!

Ostrom

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Ostrom Price Decrease #3: January 2023

Ostrom reduces electricity costs for all customers — saving on average 200€ per year!

Ostrom

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Ostrom Price Decrease #1: February 2022

The energy market has recently cooled off from record highs and therefore electricity prices have started to fall. As promised, we will now also lower our prices and pass on the savings to you. Read more about our recent price decrease here!

Environment

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Where do the parties stand on energy and climate in 2025?

The 2025 election will decide on energy, climate, and costs. Here are the parties' positions according to the Wahl-O-Mat.

Environment

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Ostrom Price Decrease #7: August 2023

Ostrom is reducing electricity prices again! As prices stabilize, we're cutting the unit rate by 1.66 ct/kWh gross, saving the average customer an additional €40 annually, on top of earlier savings from previous reductions.

Environment

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What The EU's Tougher Climate Targets Imply

The European Union has negotiated tighter climate targets, though the energy transition remains a sham in some areas.

Environment

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Green Wealth, Financial Health: Sustainable Ways to Generate Passive Income

Sustainable ways to make passive income and even create a more positive impact on the world. Here are ways you can boost your finances while living green.

Environment

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This Is How Strong The E-Bike Trend Is In Germany

How the pandemic fuelled the e-bike trend and why not all e-bikes are environmentally friendly.

Environment

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Ostrom's Energy Saving Tips

We show you how to save electricity, money and do something good for the environment at the same time! Read our energy saving tips right in time for winter and rising prices :)

Energy

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Merit Order: Why Your Electricity Bill Rises When Gas Gets Expensive (Even if You Use Green Energy)

Das teuerste noch benötigte Kraftwerk, oft Gas, bestimmt den Strompreis für alle, auch bei 100 % Ökostromtarifen. Dynamische Tarife bieten Sparchancen.

Energy

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How the Iran Crisis Is Reshaping European Energy Prices

How geopolitical conflicts ripple through global gas and oil markets all the way to your electricity bill and why renewable energy is the best protection against it.

Energy

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How a Household with an EV and Electric Heating Saves Over 650 € per Year – Thanks to a Dynamic Tariff

Are you wondering whether a dynamic tariff is worth it? In this article, we’ll show you, using real consumption data, how one customer saved up to 653 € with our dynamic tariff.

Energy

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Smarter Heizen 2025. Effizient durch den Winter mit digitaler Technik und Förderung

Energy

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Updated Tariff Details for 2026

Energy

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Dynamische Stromtarife im Vergleich – Fakten & Empfehlungen für das Jahr 2026

Energy

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Dynamische Stromtarife 2025 im Vergleich – Fakten & Empfehlungen

Energy

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24-Hour Supplier Switch: What's Changing for Electricity Customers from June 2025

Switching electricity providers will be radically simplified from June 6, 2025: customers will be able to switch their electricity contract within 24 hours – instead of waiting several days or even weeks as before. But what does this mean in practice?

Energy

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Do You Understand Electricity? The Most Important Terms About The Electricity Market Explained

The German energy market is complex - but it can be understood. In our glossary, we explain the most important terms relating to electricity, photovoltaics, energy management, tariffs and sustainability - simple, understandable and practical.

Energy

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Why a Solar System Is Worthwhile - And How You Can Save 1000 € Instantly

Are you still unsure whether a solar system is worthwhile for you? The short answer: probably yes. You can find the long answer here.

Energy

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Save Day And Night - With Solar And a Dynamic Tariff

A dynamic tariff is also beneficial with a solar system. Find out more here.

Energy

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Get More Out of Your Solar System with a Dynamic Tariff

Already have a solar system? Then save even more with a dynamic tariff. Learn more now.

Energy

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Smart Meter: Everything You Need to Know About the Device, New Regulations, and Benefits

Since January 1, 2025, new regulations for smart meters have come into effect in Germany, aiming to accelerate the use of intelligent electricity meters in German households. These changes raise many questions. As a member of the Smart Meter Initiative, we are happy to answer them!

Energy

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The Future of EV Charging: Smart, Cost-Saving, and Grid-Optimized

Electric vehicles (EVs) are at the heart of the energy transition, but the way we charge them is just as crucial. A recent study highlights the financial and grid benefits of smart EV charging and participation in Virtual Power Plants (VPPs) for intraday trading.

Energy

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How Much Does a Smart Meter Cost in 2025?

With the new energy law passed by the German Bundestag on January 31, 2025, the rollout of smart meters in households and businesses across Germany is set to accelerate significantly. But what costs can consumers expect?

Energy

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Ostrom Market Price Adjustment: January 2025

At the start of 2025, changes to market grid fees and updates to government taxes and levies on electricity prices take effect. As these changes affect all electricity providers, we need to adjust our tariffs to reflect these changes.

Energy

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Smart Heating: Efficient and Eco-Friendly Through the Winter

Get through the winter without high heating costs: heat pumps are a climate-friendly and cost-effective alternative to gas and oil. Simple tips such as sealing windows and smart thermostats also make it easy to save energy and money.

Energy

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Ostrom and E3/DC at Intersolar 2024 in Munich

At Intersolar 2024 in Munich, Ostrom and E3/DC announced a major collaboration on dynamic energy management. Ostrom's CEO Matthias Martensen and E3/DC representatives discussed the future and impact of this partnership.

Energy

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Smart Meter Rollout By 2030: Ostrom Plans to Install One Million Smart Meters

Ostrom now expects to install 100,000 smart meters by the end of 2026 – a tenfold increase from the previous estimate. By 2030, a total of one million Ostrom customers will be equipped with smart meters.

Energy

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Technical Error at the EPEX: Key Insights for Ostrom Customers

On the 26th of June 2024, a technical glitch at the EPEX Spot power exchange led to unprecedented price fluctuations. Electricity prices in the German market soared to 492.04 EUR/MWh, the highest since September 1, 2022.

Energy

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My Journey to Green Energy: A Balcony Power Plant in Berlin

"It was the beginning of a personal revolution that has opened my eyes to how modern technology and sustainable living can go hand in hand."

Energy

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Green Energy Provider Ostrom to Establish First EV Virtual Power Plant in Germany together with Battery Storage & Flexibility Provider be.storaged

Energy innovators Ostrom and be.storaged are excited to announce the launch of Germany’s first Virtual Power Plant (VPP) project, pioneering the use of electric vehicle (EV) charging adaptability.

Energy

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Ostrom & Energieversum: Renewable Energy for Households

Ostrom and Energieversum are partnering to drive the energy transition in Germany. All in one home solution provider Energieversum tops up their offering with the dynamic tariff from Ostrom.

Energy

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No Price Hike Stress for Ostrom Customers in March and April 2024

Recent reports are highlighting a worrying trend: a significant number of energy providers across Germany are set to increase their prices in March and April. This news comes as a blow to many, especially in the current economic climate where every penny counts. But amidst this unsettling forecast,

Energy

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People Behind Ostrom: Tina, Operations Associate

Tina leads the Operations team, which handles orders and contract changes. She is your first point of contact for any questions about Ostrom and our services.

Energy

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Smart Heating at Home: Are Smart Thermostats Worth It?

In this post, we explore the advantages of smart thermostats and related products that can further elevate your home automation experience.

Energy

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Germany's New Smart Meter Rollout and Your Efficient Home

Germany's new regulation pushes for widespread smart meter adoption in the country! But just what is a smart meter and how can it help you save money and the planet?

Energy

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Grid Balancing: Why It Matters

In this blog post, we're talking through the world of grid balancing and how it can shape a greener and more sustainable future for Germany's energy landscape.

Energy

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Ostrom & E3/DC: Strategic Partnership for a Decentralized Energy Transition

‍E3/DC Integrates Ostrom’s Dynamic Electricity Tariff: Ostrom and E3/DC enter cooperation to make dynamic electricity tariffs available to E3/DC customers.

Energy

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Case Study: How Ostrom Dynamic Pricing is Cheaper than even the Cheapest Check24 Tariff

We have outlined in a case study to show how Ostrom's SimplyDynamic tariff is able to easily save you up to 35% compared to a fixed price plan. We are quite data-driven at Ostrom, so we brought all the receipts!

Energy

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What Is A Smart Meter and Do I Have One?

Learn what a smart meter is and how it differs from other metering devices. You will also find out how to determine if you already have a smart meter.

Energy

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Partner in Solar: priwatt Balcony Solar Panels in the Ostrom Store

Ostrom Expands Energy Management Hub for Private Households with priwatt Balcony Solar Panels.

Energy

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Soly and Ostrom Partnership — Pioneering a New Era of Dynamic Tariffs in Germany.

Press release: The collaboration between Soly and Ostrom is an initiative aimed at enabling consumers to optimally capitalize on times of energy surplus from solar installations.

Energy

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People Behind Ostrom: Johannes, Finance Lead

Johannes, our Finance Lead, ensures sustainable growth on our mission to transform the German energy sector.

Energy

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Part 10: 10 Energy Saving Tips for Winter

Looking to save energy and reduce heating bills this winter? Check out our list of 10 energy-saving tips! From sealing drafts to using energy-efficient bulbs, these easy strategies can help you stay warm and save money.

Energy

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Part 11: 10 Energy Saving Tips for Summer

Summer can lead to high energy bills due to increased air conditioner use. However, you can save energy and money with a few simple strategies. Here are 10 tips to keep your home cool and comfortable without overspending.

Energy

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Part 1: What Is A KiloWatt, kWh and Other Energy Terms?

Electricity is a fundamental part of our daily lives, and it's important to have a basic understanding of the terms and units used to measure and describe it. Here is a summary of some common electricity terms:

Energy

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Energiepreispauschale: How to Apply for the Student Energy Bonus

The German government is now offering a one-off payment of 200 euros to students. This support comes as a response to the energy price spikes and here's how to apply!

Energy

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Part 7: How Nuclear Fusion Works

Nuclear fusion is a process that occurs when two atomic nuclei combine to form a heavier nucleus, releasing a tremendous amount of energy in the process.

Energy

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Three Reasons Why Electricity Price Guarantees Are Actually More Expensive

Price Guarantee (Preisgarantie), even the term itself sounds reassuring. It’s one of those things that sound great in theory. As you’ll learn, it has become a way for traditional energy providers to keep their margins – literally at their customers’ expense.

Energy

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Part 4: How Wind Energy Works

Wind power is a form of renewable energy that harnesses the power of the wind to generate electricity. It is a clean and plentiful source of energy that has been used for centuries, but has only recently become a more significant part of the global energy mix.

Energy

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Part 9: 10 Energy Saving Tips for Households

Energy conservation is important for households looking to reduce their carbon footprint and save money on their energy bills. By implementing simple changes in their daily habits, homeowners can make a big impact on their energy usage.

Energy

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Ostroms SimplyFair tariff is TÜV Nord Certified

Here at Ostrom, we work hard to ensure we’re contributing towards the energy transition every day. This is why, since we started in April 2021, we’ve only supplied our customers with 100% green energy—no compromises, just renewables.

Energy

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How You Will Benefit from the Strompreisbremse in Germany

German consumers were hit hard in 2022. To provide some relief, the government has responded with an energy relief package called the Strompreisbremse. Here is how it works

Energy

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War in Europe and Its Impact on Current Energy Prices

Gas imports from Russia were reduced by 60% due to delayed maintenance of the Nord Stream 1 pipeline in mid-June. The German Federal Ministry of Economics and Climate Protection declared the Gas Emergency Plan alert level on June 23, 2022.

Energy

min read

Seven Things To Note When Choosing An Energy Provider

When it comes to choosing an electricity provider in Germany, there are several factors to consider in order to find the best fit for your needs.

Energy

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Why A European Embargo Of Russian Gas Might Actually Lower Prices

The news is in - Russia once again is decreasing the gas flows to Europe to just 20% via the Nord Stream 1 pipeline.

Energy

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Part 3: How Solar Energy Works

Solar power is a form of renewable energy that is generated by converting sunlight into electricity.

Energy

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Part 5: How Hydro Energy Works

Hydroelectric power, also known as hydro power, is a form of electricity that is generated by the movement of water. It is a clean and renewable energy source that has been used for centuries to provide electricity to homes, businesses, and communities.

Energy

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Part 6: How Nuclear Energy Works

While we source from solar, wind and hydro energy at Ostrom, nuclear energy has always been one that is quite contentious. Some countries such as Germany have strong feelings against nuclear energy, while other countries such as France get most of their energy mix from nuclear power.

Energy

min read

Ostrom Price Adjustment: July 2022

The situation remains uncertain. Russia reduced the gas supply through pipeline Stream 1 by 60% in mid-June due to a delay in maintenance. As a result, gas prices reached new record...

Energy

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When Energy Suppliers Go Bust: What Customers Need To Know

Due to increased energy prices, more and more electricity providers are going bankrupt. This post covers what you need to know as a customer if this happens to you, and how to ensure you don't end up overpaying for electricity.

Energy

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Ostrom Price Adjustment: November 2021

We, as well, have to adjust our prices due to current market fluctuations. We tell you more about our reasons, how we purchase electricity and what you can do.

Energy

min read

How Christmas Becomes Cozy and Green

Three tips how to lower your electricity bill on Christmas

Energy

min read

Part 8: How The Power Grid Works

The power grid is a complex system that delivers electricity from energy suppliers to end users, such as households and businesses. It is made up of three main components: generation, transmission, and distribution.

Energy

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Ostrom x Soly: Smarter Solar Installations

Soly and Ostrom are on the journey to make solar installations easy for anyone who wants to help build a sustainable tomorrow.

Energy

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Part 2: How To Estimate How Much Energy You Use

Estimating household energy consumption in kilowatt hours (kWh) is crucial when switching energy providers. This data is needed for new plans and helps households understand their usage, find energy-saving opportunities, and lower bills.

Energy

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How Ostrom Is Driving The Energy Transition With Smart Meters

With the help of Smart Meters and variable tariffs, customers can benefit from the change in electricity costs during the day and therefore save money on their electricity bills.

Energy

min read

Part 12: What Is A Direct Power Purchase Agreement

Direct power purchase agreements (PPAs) and certificates of origin (COs) are two mechanisms that enable businesses and individuals to purchase renewable energy directly from a specific energy generator.

Energy

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Ostrom Price Decrease #2: December 2022

Ostrom reduces electricity costs for all customers — saving on average 100€ per year!

Energy

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Are Green Energy Certificates Really Green?

It's often labeled "Ökostrom", but it isn't always Ökostrom. A short explanation of how the green energy certificate market works and why traditional energy provider can offer green tariffs without even doing anything for the environment.

Energy

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The Merit Order And How It Affects Electricity Prices

The Merit Order prioritizes energy sources from cheapest (renewables) to most expensive (gas). The least expensive energy source is used first. This isn't a legal rule but an economic principle explaining electricity pricing in the market.

Energy

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How to Apply for the Balcony Solar Subsidy in Berlin

The new addition to Berlin's SolarPLUS programme could grant you 500 euros for balcony solar panels. Here's how.

Energy

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“The Real Deal”: Get Real Green Energy with Power Purchase Agreements (PPAs)

Always wanted to know what PPAs are? If yes, we have the answer to your question. No? Keep on reading about direct energy contracts, the concept behind it and how they impact climate change.

Energy

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Ostrom Signs New PPA with GETEC

Starting in the second half of 2022, Ostrom will purchase green power directly from Hannover-based energy service provider GETEC ENERGIE via PPAs.

Energy

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How the electricity market developed in 2020

The impact of the pandemic on the rising share of renewable energy.

Energy

min read

Goodbye and Farewell EEG levy - Ostrom Price Adjustment

The EEG levy abolishment, price fluctuations and the development of the Ostrom price.

Energy

min read

The Ostrom Tariff Explained

Ever wondered how your electricity tariff is composed? Here's a quick explanation of how the Ostrom tariff is set up.

Energy

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Ostrom Price Adjustment: January 2022

Prices are still rising. We explain why we have to adjust our prices as well.

Energy

min read

Why Customers Won't Benefit From Switching Portals

Discovering the reason for 9.7 million Germans changing their electricity provider.

Energy

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Here's How Home Office Affects Your Electricity Bill

Learn about three ways to lower your electricity bill at home during home office.

Energy

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Why Smart Meters Are The Future of Energy In Germany

A smart meter measures electricity, gas, or water consumption in a building. Unlike traditional meters, smart meters send readings remotely to the utility company via a wireless connection, eliminating the need for physical readings.

Energy

min read

Ostrom Price Decrease #4: March 2023

Ostrom reduces prices for all customers, for the 4th time in only three months.

People Behind Ostrom: David, Business Developer

Expat

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People Behind Ostrom: David, Business Developer

I really enjoy being part of a team that’s working on something meaningful. It’s great to work with people who are passionate about building a strong product and making a real impact.

People Behind Ostrom: Dolly, Social Media Manager

Expat

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People Behind Ostrom: Dolly, Social Media Manager

Dolly is responsible for our social media posts and creates new content to inform customers about Ostrom and to build our green energy community.

People Behind Ostrom: Pedro, Backend Engineer

Expat

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People Behind Ostrom: Pedro, Backend Engineer

Pedro, our Backend Engineer, ensures that our Ostrom App, website, and all functionalities run smoothly.

Beginner’s Guide to the German Electricity Market

Expat

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Beginner’s Guide to the German Electricity Market

The energy market in Germany can be tricky and confusing - here is a guide to help you!

Eighteen Point Checklist of Things To Note While Moving Apartments

Expat

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Eighteen Point Checklist of Things To Note While Moving Apartments

Moving to a new apartment can be a stressful and overwhelming process. From packing and transporting your belongings to setting up utilities and updating your address, there are many details to consider.

A Better Way to Find an Apartment in Germany Fast

Expat

min read

A Better Way to Find an Apartment in Germany Fast

Trying to find an apartment in Germany can be time consuming and frustrating. Here is our list of websites you can try to find an apartment in Germany fast.

How To Get KfW Funding For An E-Car WallBox For Your Business

Expat

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How To Get KfW Funding For An E-Car WallBox For Your Business

The German government offers companies a comprehensive funding program for e-car charging stations through its own investment and development bank (KfW). Here you can find out exactly what the program entails and how you can apply for it.

How You Can Benefit From The New Fair Consumer Contracts Act

Expat

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How You Can Benefit From The New Fair Consumer Contracts Act

A new law was passed to protect your rights as a consumer. Find out what this means for you in this blog article.

NeoGrid® AI

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NeoGrid® AI für Solaranlage und Heimspeicher: Hol das Meiste aus jeder kWh

Ab 14.07.2026 bindet NeoGrid® AI deine Solaranlage und deinen Heimspeicher ins Virtuelle Kraftwerk ein. Spare mehr und sammle NeoGrid Credits, mit jedem Tarif.

NeoGrid® AI

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New: Ostrom opens its virtual power plant NeoGrid® AI for majority of electric vehicles

Starting now, drivers of almost all EV brands can participate – thanks to integration via compatible wallboxes. This way, you help strengthen grid stability, charge at lower cost, and earn up to 300 € per year.

Germany compared to other countries: Where do we stand with virtual power plants?

NeoGrid® AI

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Germany compared to other countries: Where do we stand with virtual power plants?

Germany has the technology, but other countries are showing how it should be done: virtual power plants make electricity cheaper, cleaner and smarter. Read on to find out how Denmark, the Netherlands and Australia are integrating households into the electricity system – and what we can learn from th

The energy future starts now: How virtual power plants make your life easier!

NeoGrid® AI

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The energy future starts now: How virtual power plants make your life easier!

Imagine: your devices working for you – green, affordable, fully automatic. Virtual power plants connect solar systems, heat pumps and electric cars to form a smart system that saves money, protects the climate and future-proofs our energy system. Find out more now!

NeoGrid® AI

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NeoGrid® AI and dynamic tariffs: How to maximise your savings!

Imagine your EV charging automatically when electricity is cheapest – and you get up to 300 € for it. With NeoGrid® AI and the dynamic SimplyDynamic tariff, that is possible. Learn more now.

NeoGrid® AI

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The algorithm in the background - How to earn money with NeoGrid® AI!

Charge your electric car automatically at night, save money – and even earn up to 300 € a year. NeoGrid® AI plans and optimises for you on the electricity market, with no effort on your part. Discover how you can be part of the energy transition and turn your home into a smart power station!

NeoGrid® AI

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Is an electricity bill of 0 € possible?

Imagine: 0 € on your electricity bill! With a solar power system, dynamic tariffs and NeoGrid® AI from Ostrom, this is possible. Find out how you can reduce your electricity costs, earn money and actively contribute to the energy transition.

Why flexibility makes the energy transition possible!

NeoGrid® AI

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Why flexibility makes the energy transition possible!

Join the energy transition – with flexibility instead of gas-fired power stations! In this article, you can find out how your electric car and storage system can help stabilise the power grid, save money and protect the climate.

Virtual power plant: What does it actually mean? Terms explained!

NeoGrid® AI

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Virtual power plant: What does it actually mean? Terms explained!

Virtual power plant, intraday price, grid stability – what do these terms mean and what do they have to do with NeoGrid® AI? Find out more here.

NeoGrid® AI

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Virtual Power Plant - Simply Explained!

Use the sun, wind and your electric car for the energy transition – with no effort at all! NeoGrid® AI turns your home into part of a virtual power plant. Save on electricity costs, earn up to 300 € a year and help keep the grid stable. Discover how easy it is!

NeoGrid® AI

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Charging with NeoGrid® AI: Safe for Your Battery, Good for the Planet

With NeoGrid® AI, you can charge your electric car cheap and grid-friendly - fully automatically. But is it good for the battery? In this article, you'll find out how NeoGrid affects your battery - and why you don't need to worry about battery health.