Süwag HEMS
Energiemanagementsystem
About
Visualize and optimize your self-generated solar power. Monitor key metrics, energy flows, and daily/monthly performance. Control EV charging, prioritize devices, and receive production forecasts with smart recommendations.
What's New in Süwag HEMS
1.24.0
June 8, 2026
* Changes on charging target mode * Release Notes ("What's New") are now available directly in the app in the main menu * New devices * Continuous improvements
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FAQ
What is Süwag HEMS?
Süwag HEMS is a home energy management system designed to help you visualize and optimize the electricity generated by your photovoltaic (PV) system. It provides insights into your energy production, consumption, and grid interactions.
What devices does Süwag HEMS support?
Süwag HEMS is available for iPhone, iPad, and iPod. It also offers a web-app for comprehensive access to all features and data.
How often is Süwag HEMS updated?
The latest version, 1.24.0, was released on June 8, 2026, indicating regular updates to improve functionality and reliability. The app was initially released on March 31, 2026.
What is the age rating for Süwag HEMS?
Süwag HEMS has an age rating of 4+, making it suitable for a wide range of users interested in managing their home energy.
Can Süwag HEMS help me manage my electric car charging?
Yes, Süwag HEMS allows you to set specific charging modes for your electric car, such as charging only when the sun is shining or during off-peak tariff hours.
Does Süwag HEMS offer predictions for solar production?
Yes, the app provides forecasts for PV production for the next 3 days. It also offers recommendations on when to best use your household appliances based on these predictions.
How does Süwag HEMS handle grid stabilization?
Süwag HEMS can control connected devices like electric cars, heat pumps, and batteries to help stabilize the grid, especially when dynamic pricing is in effect.
What are the key performance indicators shown in Süwag HEMS?
The app displays key metrics such as PV production, self-consumption, and grid import. It also provides detailed views of monthly performance, daily energy flows, and your degree of self-sufficiency.