Monitoring photovoltaic systems from GoodWe is handled via two main access points: the browser-based SEMS Portal and the mobile SEMS App. Both use the same system data, but differ in presentation, usability and level of detail. This article explains features, differences and typical use cases.
A full system overview is provided in the article GoodWe SEMS Portal: Features, Login & Data Overview.
What is the GoodWe SEMS Web Portal?
The SEMS Portal is GoodWe’s web-based monitoring interface. It is accessed via a browser and is particularly suited for detailed analysis and historical evaluations.
Typical use cases:
- analysis of daily, monthly and yearly data
- detailed energy flow visualizations
- comparison of time periods
- management of multiple systems
- service and diagnostic purposes
The web portal offers a high level of detail and is especially suitable for technically interested users or installers.
What is the SEMS App?
The SEMS App is the mobile application for iOS and Android. It is designed for fast and intuitive use and focuses on the most important key figures.
Main focus:
- current power
- daily yield
- self-consumption
- energy flow
- battery status
The app is primarily used for quick checks on the go and simplifies complex data into an easy-to-understand overview.
Technical Basis of Both Access Points
Both the app and the web portal use the same data source.
System structure:
- GoodWe inverters and optional battery storage
- data transmission via internet connection
- storage on GoodWe servers
- visualization in the web portal or app
Differences are not caused by different measurements, but by how the data is processed and displayed.
Feature Comparison
| Criterion | SEMS Web Portal | SEMS App |
|---|---|---|
| Usage | Desktop or tablet | Smartphone |
| Level of detail | High | Basic |
| Historical analysis | Extensive | Limited |
| Energy flow | Detailed charts | Simplified view |
| Multi-system management | Yes | Limited |
| Everyday usability | Medium | High |
Both access points complement each other and are not intended as competitors.
Typical Limitations
Regardless of the access method, the system has certain limitations:
- delayed data updates
- no guaranteed real-time data
- functionality depends on system configuration
- limited export capabilities
These limitations apply equally to both the app and the web portal.
When to Use Which System
SEMS App is suitable for:
- quick daily overview
- monitoring yield and battery
- mobile usage
- private system owners
SEMS Web Portal is suitable for:
- detailed analysis
- long-term evaluations
- troubleshooting
- installers and service partners
Differences in Login and Access
In most cases, the same login credentials are used for both the app and the web portal. Differences in functionality depend on user roles and permissions.
For login issues, see the article GoodWe SEMS Login – Problems, Errors & Solutions Explained.
Frequently Asked Questions about the GoodWe SEMS App & Web Portal (FAQ)
Do the app and web portal use the same data?
Yes. Both access the same cloud-based data. Differences result from visualization and update intervals.
Are all portal features available in the app?
No. The app focuses on key metrics and offers less detail than the web portal.
Can settings be changed in the app?
Only to a limited extent. Advanced configurations are usually done in the web portal.
Why does the app show different values than the portal?
Short-term differences are caused by different update intervals.
