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Some of my microinverters aren’t reporting. How do I fix this?

Understand steps to take if some of your microinverters are not providing data
if you see this message, some of your microinverters are not reporting to the Envoy.

The Envoy is too far away from the load center or there is interference on the power lines between the microinverters and the Envoy. Try these fixes to restore reporting between those microinverters and the Envoy:

If you’ve moved the Envoy from its original location, it may be plugged into an outlet that is too far from the electrical panel (site load center). Return the Envoy to the original location or to an outlet as close to the electrical panel as possible.

Make sure that the Envoy is plugged directly into an outlet and not into a surge protector, extension cord or power strip. Ideally, the outlet should not be a GFCI (ground fault circuit interrupt) type.
Make sure that no other devices are plugged into the same outlet as the Envoy.

If the Envoy is plugged into a dedicated, non-GFCI outlet as close as possible to the electrical panel, there may be another device that is interfering with power line communications. If any of these devices are plugged in, especially on the same circuit as the Envoy, unplug the device and see if this resolves the issue:
Power strips and surge protectors
UPS (uninterruptible power supply) or battery backup units
Touch lamps
Battery chargers or AC adapters like those used for cell phone and laptop chargers, especially for older devices
Heavy rotating motors in devices like fans, refrigerators, freezers, or water pumps
Workshop equipment like a drill press, table saw, wood router, or planer
Electronic pest deterrents

Finally, any older or failing compact fluorescent light, or CFL (those energy-efficient light bulbs designed to replace conventional ones) installed in your home may cause interference. Remove the CFL, then check to see if reporting is restored. If so, replace the CFL.

If the microinverters are still not reporting after you have performed these fixes, then contact your solar professional for assistance. You can get your installer contact details from within the Enlighten app.

What is the difference between a watt and a watt-hour?

Understand solar energy terms such as watt and watt-hour

Knowing the difference between a watt (W) and a watt-hour (Wh) helps you understand the impact of your home energy use on your electric bill. You can also compare your home energy use to the energy generated with your REA Solar microinverter system. Read on below.

While watts and watt-hours are related terms, they are not the same thing.

So what is a watt?

A watt (W) is a unit of power, and power is the rate at which energy is produced or consumed. Think of watts as a measure of electrical flow. Does an electrical device need a big flow or a small flow to work? For example, a 100 W light bulb uses energy at a higher rate than a 60 W bulb; this means that the 100 W light bulb needs a bigger “flow” to work. Likewise, the rate at which your solar energy system “flows” power into your home is measured in watts.

MyEnlighten displays your system’s latest and daily peak power generation in kW, which is equal to is 1,000 W.

So what is a watt-hour?

A watt-hour (Wh) is a unit of energy; it’s a way to measure the amount of work performed or generated. Household appliances and other electrical devices perform “work” and that requires energy in the form of electricity. Utilities typically charge you for electrical energy by the kilowatt-hour (kWh), which is equal to 1,000 watt-hours. Depending on your interconnection agreement, your utility may credit you for excess generation which will also be measured in kilowatt-hours.

MyEnlighten displays the amount of energy generated by your microinverter system in watt-hours. For example, an Enphase microinverter system might generate 400 kWh (amount) in the month of September (period of time). A kilowatt-hour (kWh) is 1,000 Wh, so 400 kWh is 400,000 Wh. In some cases, MyEnlighten will display energy as megawatt-hours (MWh), which is one million watt-hours.

So what is the difference?

In a nutshell, watt-hours measure amounts of energy for a specific period of time, and watts measure rates of power at a moment in time.

A common analogy for watts and watt-hours is speed and distance. Speed is a rate of how fast you drive at an instant in time (watts); distance is the length, or amount that you drive over a period of time (watt-hours). For example, if you drive at a constant rate of 60 miles per hour for one hour, then you will have traveled 60 miles.

Similarly, if a 60 W light bulb is on for one hour, then that light bulb will have used 60 Wh of energy. If left on for two hours, then the 60 W light bulb will have used 120Wh of energy.

So what?

Knowing about watts and watt-hours can give you a greater appreciation of the energy savings on your utility bills. You can compare the electric bills you received before you installed your REA Solar Microinverter system to your current bills and calculate your energy savings, and in turn your monetary savings. Keep in mind that your utility will only bill and credit you for energy that runs through your electric meter. Solar generation that is consumed by your home will not be measured by your utility.

What is the Envoy?

Get details on the Enphase Envoy and how it works as part of your system

The Enphase Envoy™ is a communications gateway that collects information about how your system is performing and transmits that information over the Internet to MyEnlighten. There are several different versions of the Envoy as pictured below.

The Envoy periodically collects production data from your microinverters, and your production meter, if you have a production meter installed. (The Envoy also collects energy usage data, if you have optional consumption metering installed.) The Envoy then compiles collected data into a report that is sent to MyEnlighten on a regular reporting cycle. The Envoy is effectively the messenger between your system and MyEnlighten.

Has your Envoy lost its connection to Enlighten? Visit our Envoy Offline Tutorial here for assistance.

The Envoy communicates with the other solar hardware in your system over your home’s electrical wiring; this is called powerline communications. There is no wireless communication between the Envoy and your microinverters or your Enphase storage solution. (Your Envoy may connect wirelessly to MyEnlighten, but that is a separate communications path from the powerline communications used to communicate with equipment on site.)

During the installation of your system, your solar installer placed the Envoy in the best location for powerline communication, so it is important that you do NOT unplug or move it. Otherwise, you will interrupt the collection of data that would normally be reported to MyEnlighten.

In addition to its messenger role, the Envoy is also the control hub that implements any Advanced Grid Functions that may be required by your utility, like export limiting required in Hawaii. The Envoy also manages the charge and discharge of your Enphase storage solution if you have one installed.

If you are a solar professional searching for information about Envoy installation and configuration, search for “How to install the Envoy” on our Solar Professional support pages.

What does the overview screen tell me about my system?

Learn about the information displayed on the overview screen in the MyEnlighten in the browser

The MyEnlighten overview screen provides an at-a-glance summary of your system’s daily energy production. If your system has been set up for consumption monitoring, it also includes information about your home’s energy usage. By default, it shows information for the current day.

The screen has three sections: the daily statistics, the array view, and the energy graph.

Daily Statistics

When the date menu is set to the current day, this section shows the total amount of energy your system has produced so far today, the peak power (the time and measurement of the highest power production reported by your system today), the latest power (the most recent power production reported by your system), and the current weather. Energy is measured in watt-hours and power is measured in watts. The message at the bottom of this section tells you when MyEnlighten last received information from the system.

You can use the date menu at the top of this section to view information for any day during the lifetime of your system. Use the arrows to the left and right of the selected date to navigate backward and forward one day at a time. Or, click on the selected date to open the calendar and navigate through the months to choose a day. Return to the current day by clicking Today at the bottom of the calendar.

Note that when you are viewing a day prior to the current day, the system does not display the latest power reading.

If your system has been set up for consumption monitoring, the daily statistics show total consumption and net energy in place of latest and peak power. You can see the latest power reading for today, the peak power for any day, or lifetime production by clicking on the Production tab.

Array View

MyEnlighten uses a color scale to indicate energy production. The colors of the panels on the array view reflect how much energy your system produced for the selected day in watt-hours (Wh), ranging from black for no production to light blue for very high production.

Energy Graph

The energy graph at the bottom of the overview screen provides detailed information about your system’s behavior throughout the day. Learn more about the overview screen’s energy graph.

How can I tell how much energy my system is producing?

Learn how to track your system performance, including power output

The Enlighten desktop application overview screen provides a summary of how your system is performing today. The Status screen in the Enlighten mobile app displays the same information. Under Energy Produced, you can find the energy produced today, the energy produced the previous day and the energy produced the same day last year.

For more details on the desktop, click on the Energy (Production) tab, where you can get an at-a-glance view and comparison of daily, hourly, or monthly production. You have a choice of seeing the information on the production screen presented as a grid or a graph.

Enlighten also lets you see your system’s lifetime energy production and run reports showing daily energy, monthly energy, and recent power production. Similarly, the Enlighten mobile app displays lifetime energy production on the SOLAR screen and lets you run reports through the Menu screen.

How do I transfer ownership of a system?

Follow these steps to transfer ownership of an Enphase system

If you have recently purchased a house or building with an Enphase system and would like to gain ownership of the system, please click this link to initiate the change of ownership process. You will be prompted to create an Enlighten account if you do not have one already. (When prompted to create your account, select Other in the New User Registration page.)

Once logged in, you will have two options, Home owner transfer + Inspection Report ($249) or Home owner transfer ($199) only.

Homeowner transfer will transfer the product warranty to you, as well as give you access to the system’s account in Enlighten, the software that monitors the production and health of the system. Whereas, the Inspection Report provides insights into the health of your installed solar energy system and identifies issues that may need attention.
To request the Continuation of Coverage, please complete the transaction within 30 days of completing the change of ownership process.

Upon successfully submitting the change of ownership request the homeowner will get an email receipt of the payment to the email address used to submit the request. The change of ownership requests are completed within 48 hrs of submission. Once the request is completed, an email confirmation and a site access email are sent to the new homeowner.

How will I know if there’s a problem with my system?

Understand how the REA Solar system monitors operation and performance

On the MyEnlighten desktop application, the icon to the left of your system name tells you how your system is doing. If you see a green checkmark, then your system is fine with normal system production.

Similarly, if you see no message in the Enlighten mobile app, your system is doing fine. No news is good news!

If there is a problem, MyEnlighten and the Enlighten mobile app show a message to help you know what to do next. Here are the possible messages that may be displayed:

Your system has stopped reporting data.

Some microinverters have stopped reporting.

There is a production issue.

If your system has metering:

The meter has stopped reporting.

There is an issue with the meter measurements.

If your system has AC Batteries:

Some batteries haven’t charged or discharged recently.

Some batteries have stopped reporting.

Continue reading for more information about each type of problem.

System Stopped Reporting

If your system has stopped reporting data, you’ll see a problem message like this:

Learn what you can do if your system stops reporting data.

Microinverters Not Reporting

If some of your microinverters have stopped reporting to the Envoy, you’ll see a problem message like this:

Click the link in the message to see which microinverters are not reporting and their location in your array:

Learn what you can do if some of your microinverters have stopped reporting.

Production Issue

If your system is producing less energy than your installer estimated, you’ll see a message like this:

If Enphase has detected a possible hardware issue that may be affecting system production, you’ll see a message like this:

Click the link in the message to see which microinverters are reporting a production issue and find out how to get help with the problem.

You can sign up to be notified by email if your system experiences either type of production issue.

Meter Stopped Reporting

If your system’s meter has stopped reporting, you’ll see a problem message like this:

Learn what you can do if the system’s meter has stopped reporting.

Meter Measurements Issue

If there is an issue with the Envoy meter measurements, you’ll see a message like this:

Storage Inactive

If one or more of your AC Batteries hasn’t charged or discharged for the last 72 hours, you’ll see a message like this:

This may not indicate a problem, especially if there hasn’t been enough sunshine to produce energy that exceeds your home’s consumption, or if your home’s energy use has gone down to the point that the batteries don’t need to discharge. If the message persists and is not due to unusual production or consumption conditions, contact your installer for help.

AC Batteries Not Reporting

If some of your AC Batteries have stopped reporting to the Envoy, you’ll see a message like this:

If this occurs, you can follow the same troubleshooting steps for when microinverters have stopped reporting.

Still having trouble? Contact REA Solar Customer Support for assistance.

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