# What is a smart meter?

Written by Johanna Bauch  
May 7, 2026

## ⚡ What is a smart meter – and why does it matter?

A **smart meter** is a **modern measuring device** with an integrated **smart meter gateway** that automatically sends your electricity consumption data to your **grid operator and electricity supplier** in real time.

That means you **no longer need to manually read or enter your meter readings**. 🙌

📚 Want to learn more? Check out our [blog post](/content/post/how-ostrom-is-driving-the-energy-transition-with-smart-meters/index.html) for all the details!

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## 💸 Already have a smart meter?

Awesome! That means you can join the **SimplyDynamic tariff** and **save money** by using electricity when it's cheapest during the day.

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💡 **Tip:**

Search **#smartmeter** in the [FAQ](https://support.ostrom.de/en/) to discover more about smart metering at Ostrom!

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