We know how frustrating it could be if your prepaid meter starts malfunctioning after solar installation, so we have dedicated this write-up to reveal the possible reasons why your prepaid meter may stop working after solar installation and how you can get it resolved. Stay tuned as we proceed with the discussion.
Prepaid meters not working after solar installation is a common issue that our readers report regularly, so if you are having the same problem, then you’ll need to closely follow up on this guide to know the causes, solutions, and how to prevent future occurrences.
There are a lot of issues that may cause your prepaid meter to start malfunctioning after solar installation, such as compatibility issues, wrong configuration, and faulty installations, among others. However, these issues can be resolved through different troubleshooting measures.
Reasons why a prepaid meter may not work after a solar installation

There are lots of reasons why your prepaid meter may work after you have installed a solar power system on your property. The reasons are:
1. Compatibility Issues
One of the major reasons why your prepaid meter may malfunction after solar installation is due to compatibility issues. If your prepaid meter is not compatible with the solar panels, it will cause operation issues. The compatibility issues normally occur if your prepaid meter is an old model, which may not be able to handle the bidirectional flow of electricity.
2. Wrong configuration:
Incorrect configuration of the solar power system or the prepaid meter itself may also cause your prepaid meter to malfunction. When there is the wrong configuration, the solar system and the prepaid meter won’t be able to communicate properly, which will definitely lead to prepaid meter failure.
3. Faulty Installation
If the solar installation is done wrongly, it could also affect the functionality of the prepaid meter. Faulty installation could be due to poor electrical wiring or wrong connections, among others.
4. Inverter Problems
Another common problem that may lead to prepaid meter failure after solar installation is inverter problems. If the inverter in your home is not compatible with your prepaid meter, it is definitely going to disrupt the proper functioning of your prepaid meter, leading to the meter’s malfunction.
How to Fix Issues of Prepaid meter not working after Solar Installation
If your prepaid meter is malfunctioning after installing a solar system, try any of the troubleshooting measures below to get it fixed.
1. Verify your Prepaid Meter Compatibility
The first step that you can take to fix issues with prepaid meters not working after solar installation is to verify the compatibility of your meter with the solar system. You can do this by checking the manufacturer’s specification, or, better yet, reach out to your utility supplier for assistance.
2. Check the configuration
Another measure that you can also take to resolve the issue of prepaid meter issues after solar installation is reviewing the system’s configuration in order to ensure that it is correct. Ensure that you check the solar inverter and prepaid meter configuration to ensure that there is no mistake.
3. Inspect the Wiring
The issues can also be resolved by inspecting the electrical wiring system within the prepaid meter and the solar panels themselves. All you need to do is ensure that all your connections are done correctly and there are no loose wires. Also, look for signs of damage or corrosion within the wiring system; if you identify any, you should fix them.
4. Examine the Inverter
You can also check the display on your inverter for indicators, error messages, or malfunctions. Ensure that the inverter is properly connected to the prepaid meter.
5. Check for Error Codes on your Prepaid Meter
Since prepaid meters normally display error codes when they are malfunctioning, kindly look out for the error and get your meter’s manual to understand the possible cause of the error and how you can fix it.
6. Reset the System
You can also reset the prepaid meter or the inverter to see if the issues can be fixed. For resetting either the prepaid meter or the inverter, you can follow the manufacturer’s instructions to get it done.
Finally, if the issues persist after trying the troubleshooting measures above, you can contact your utility supplier for assistance.
How to prevent prepaid meters from not working after solar installation
For you to prevent your prepaid meter from failing after solar installation, do this:
- Upgrade your prepaid meter to the latest model
- Hire professional installer to help you install the solar panels
- Use hybrid inverter that is compatible with most prepaid meters.
- Maintain your prepaid meter and solar system regularly
- Get solar monitoring system to enable you to track your solar energy usage.
Conclusion
From our discussion so far, we’ve seen that there are many issues that may cause your prepaid meter to start malfunctioning after solar installation, but the amazing thing is that the issues can be resolved via different troubleshooting measures. However, you can also prevent it by following the preventive measures outlined in this guide. Meanwhile, if the issues persist for a long time, you can contact your utility provider for assistance.