Your monitoring app is the single most powerful tool you have for knowing whether your solar system is actually working. It can tell you if a panel has quietly died, if your production is slipping, or if something failed last Tuesday and you’ve been losing money ever since.
And yet, for most solar owners, the story goes like this. The installer handed you a login on the day the system went live, you opened the app once, saw a screen full of numbers and graphs, had absolutely no idea whether those numbers were good or bad, and closed it again. Maybe you’ve opened it a handful of times since. Maybe you’ve never gone back.
That ends today. This is the guide your installer should have walked you through on day one. We’ll go through both major monitoring systems, screen by screen, in plain English, so you can open your app, glance at it, and actually know what you’re looking at. If you want the bigger picture on system health first, start with [LINK: How to Tell If Your Solar Panels Are Actually Working].
The Two Systems You’re Probably Using
Between them, Enphase Enlighten and SolarEdge monitoring cover more than 70% of US residential solar. There’s a very good chance you have one of these two.
Not sure which? The easiest way to tell is to look at your inverter brand. If you have small microinverters under each panel and a brand name “Enphase” on your equipment, you’re on Enlighten. If you have a single box on the wall that says “SolarEdge,” you’re on SolarEdge monitoring. The app icon on your phone is another quick giveaway.
Find your system below and skip to that section.
Enphase Enlighten
How to Access It
You can reach Enphase monitoring two ways: through the Enlighten app on your phone (just search “Enphase Enlighten” in your app store), or through a web browser at enlighten.enphaseenergy.com. Same login for both. The web version shows more detail on a bigger screen, while the app is handier for a quick daily check.
Reading the Home Screen
When you open Enlighten, the home screen gives you the headlines. Here’s what each piece means.
“Energy produced today” in kWh. This is your running total for the day. By itself it’s just a number, so here’s how to know if it’s a good number. A rough expected daily figure is your system size in kW, times your local peak sun hours, times about 0.8 (to account for real-world losses). So a 6kW system on a sunny day with 5 peak sun hours would expect roughly 6 × 5 × 0.8 = 24 kWh. If you’re in that ballpark on a clear day, you’re healthy. Far below it? Worth a closer look. (For the why-behind-the-numbers, see [LINK: Why Are My Solar Panels Producing Less Than Expected?].)
The production graph. This is the curve showing your output across the day, and its shape tells you a lot. A healthy day looks like a smooth bell curve: low in the early morning, rising to a peak around midday, then tapering off through the afternoon. That’s exactly what you want to see. What you don’t want is a flat line in the middle of a sunny day, or sudden gaps and dropouts in the curve. Those signal a problem.
The roof icon color. A green roof icon means your system is communicating normally and all is well. A red or yellow icon means there’s an alert waiting for you. Think of it like a check-engine light: green, drive on; anything else, look closer.
Digging Deeper: The “Devices” Tab
This is where Enphase really earns its keep, and it’s the tab most owners never open.
Because every panel has its own microinverter, Enlighten can show you each panel individually, with its own output. Open the Devices tab and you’ll see your panels laid out, each reporting how much it’s producing.
Here’s the rule to remember: on a clear day, all your panels should be producing roughly similar amounts, within about 20% of each other. Some natural variation is fine. But if you spot one panel showing 0W, or one producing dramatically less than its neighbors while the sun is shining, that’s a strong sign that particular microinverter may be failing. You’ve just diagnosed a single-panel fault from your couch.
The “Alerts” Tab
This is the tab to make a habit of. Check your Alerts tab once a month. It’s where Enphase flags trouble before it becomes a long-running, money-losing problem. Common alerts, decoded:
- “Not communicating.” Usually a gateway or Wi-Fi issue rather than a true equipment failure. This is often fixable at home by power-cycling your IQ Gateway and checking your internet connection.
- “Producing below expected.” Exactly what it sounds like. It warrants a look to figure out why your output has slipped.
- “Microinverter AC voltage out of range.” This points to a grid issue or a failing unit. This one’s worth a call to a technician.
SolarEdge Monitoring
How to Access It
SolarEdge also gives you two doors in: the SolarEdge app on your phone, or the web portal at monitoring.solaredge.com. As with Enphase, the website shows more detail while the app is built for quick checks.
Reading the Dashboard
The main SolarEdge screen puts a few key figures front and center.
“Current power” in kW. This is your real-time output, what your system is making right this second. It’ll bounce around as clouds pass and the sun moves, which is completely normal. Check it at midday on a clear day and it should be somewhere near your system’s rated size.
“Energy today.” Your running daily total in kWh, the same idea as Enphase’s daily figure. Compare it against your rough expected output (system size × peak sun hours × 0.8) to sanity-check it.
“Revenue.” SolarEdge can translate your production into a dollar value, what your electricity is worth, if you configure it with your utility rate. It’s a nice motivator, but the kWh figures are what matter for diagnosing health.
The “Layout” View
This is SolarEdge’s equivalent of Enphase’s Devices tab, and it’s just as useful. The Layout view shows a map of your actual roof, with each panel drawn in place and its individual output displayed.
The principle is identical to Enphase: on a clear day, all panels should be producing similar amounts. Scan the layout. If they’re all reporting comparable numbers, you’re in good shape. If one panel is showing significantly less than the rest, that one needs attention. The visual roof map makes it easy to see which physical panel is the troublemaker.
SolarEdge Alerts
SolarEdge surfaces alerts and error codes in both the app and the web portal, typically in an alerts or notifications section. The codes themselves can look cryptic, but we’ve already decoded the common ones. For the full rundown of what SolarEdge error codes like the 52x and 11x series mean (and what to do about each), see [LINK: Is My Solar Inverter Failing?], which breaks them down alongside the Enphase codes.
A Few Habits That Make the App Actually Useful
Check at the right time of day. This is the tip that saves the most needless panic. Check midday on a clear day for the most meaningful reading. Morning and late afternoon will always show lower numbers because the sun is low in the sky. Opening your app at 8am or 6pm and worrying about the small numbers is like checking your car’s top speed in a parking lot. Midday, clear skies, is your true performance window.
Save the one number that matters most. Once a month, on roughly the same date each time, note your “Energy this month” total. Jot it in a notes app or a simple spreadsheet. Month over month, year over year, this single habit is the best trend indicator you have. A slow, steady decline is normal aging (see [LINK: Solar Panel Degradation: What’s Normal vs. a Real Problem?]). A sudden drop is your early-warning system going off.
Want a Reading That Doesn’t Rely on Your Installer’s App?
Both Enphase and SolarEdge route their data through the manufacturer’s servers and your installer’s setup. That’s fine most of the time, but it means you’re trusting someone else’s software to tell you the truth about your own electricity.
If you want a completely independent reading of your home’s energy production, one that doesn’t rely on your installer’s servers or app, the Emporia Vue 3 gives you exactly that. It reads your system directly from your electrical panel and keeps its own records, so you always have a second, neutral source to check against.
But the heart of it is this: the monitoring you already own is enormously powerful, and now you know how to use it. A two-minute check at midday, an Alerts tab glance once a month, and one number written down monthly. That’s all it takes to catch trouble early and keep your system honest for years to come.
Last reviewed: June 2026 | solarschoice.com is independent — not affiliated with any solar installer.