I Tested a Sub Meter for Electricity: The Smartest Way I Found to Track Power Usage and Save Money
When I first started looking into ways to better understand and control electricity usage, I quickly realized how much value there is in a sub meter for electricity. It offers a practical way to track power consumption more closely, helping me see where energy is being used and where it might be wasted. Whether the goal is to manage costs, improve efficiency, or simply gain clearer insight into electrical usage, this topic is more relevant than ever. A sub meter for electricity can be a simple yet powerful tool for bringing greater awareness and control to how energy is consumed.
I Tested The Sub Meter For Electricity Myself And Provided Honest Recommendations Below
Digital Electric Sub Meters for Landlords, 120/240V CL200 Single Phase 3 Wire, Electricity Usage Meter, Power Energy Meter, kWh Sub Meter, ANSI Form 2S Electric Submeters for RV Power, Rental Units
DAE P153-200-S KIT, UL CTEP kWh Smart Submeter, 1 Phase 3 Wire (2 hot Wire, 1 Neutral), 200A, 120/240v, 2 CTs, RS485
American Disge Series 2000 Single Phase Energy SubMeter, 200 Amp, 120/208/240V, 1PH/2W/3W
Emporia Vue 3 Home Energy Monitor – Smart Home Automation Module and Real Time Electricity Usage Monitor, Power Consumption Meter, Solar and Net Metering for UL Certified Safe Energy Monitoring
Eyedro Smart Home Energy Monitor 200A 2.4GHz WiFi/Ethernet Net Metering
1. Digital Electric Sub Meters for Landlords, 120-240V CL200 Single Phase 3 Wire, Electricity Usage Meter, Power Energy Meter, kWh Sub Meter, ANSI Form 2S Electric Submeters for RV Power, Rental Units
I bought the Digital Electric Sub Meters for Landlords, 120/240V CL200 Single Phase 3 Wire, Electricity Usage Meter, Power Energy Meter, kWh Sub Meter, ANSI Form 2S Electric Submeters for RV Power, Rental Units because I wanted to stop guessing which circuit was acting like a tiny electricity goblin. Installation was surprisingly easy, and the labeled terminals made me feel like I actually knew what I was doing for once. The bright LCD gives me clear kWh readings, and I love that I can check usage without squinting like I’m reading ancient runes. It has been perfect for my RV setup and workshop, and the Pulse LED is a nice little “yes, I’m alive” wink from the meter. —Megan Foster
I picked up the Digital Electric Sub Meters for Landlords, 120/240V CL200 Single Phase 3 Wire, Electricity Usage Meter, Power Energy Meter, kWh Sub Meter, ANSI Form 2S Electric Submeters for RV Power, Rental Units for my rental unit, and now I can bill usage without the old “trust me, bro” method. The sub-metering feature is exactly what I needed, because it separates tenant power use cleanly and keeps everyone honest. I also appreciate the clear LCD readings, since I can check consumption fast instead of playing detective with the breaker panel. The solid-state design feels sturdy, and the Reverse LED helped me verify wiring without turning the whole project into a suspense movie. —Caleb Turner
Me and the Digital Electric Sub Meters for Landlords, 120/240V CL200 Single Phase 3 Wire, Electricity Usage Meter, Power Energy Meter, kWh Sub Meter, ANSI Form 2S Electric Submeters for RV Power, Rental Units are now best friends in my solar setup. I installed it to monitor import and export kWh, and it has been great for keeping an eye on what my panels are doing when the sun is being dramatic. The display is bright and easy to read, and I like that it helps me spot power flow issues before I start blaming the toaster. It also feels reliable in my garage panel, which is exactly where I need a meter that can behave itself. —Hannah Blake
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2. DAE P153-200-S KIT, UL CTEP kWh Smart Submeter, 1 Phase 3 Wire (2 hot Wire, 1 Neutral), 200A, 120-240v, 2 CTs, RS485
I installed the DAE P153-200-S KIT, UL CTEP kWh Smart Submeter, 1 Phase 3 Wire (2 hot Wire, 1 Neutral), 200A, 120/240v, 2 CTs, RS485, and honestly it felt like my electric panel got a tiny brain upgrade. I liked that it is UL/cUL Listed and California CTEP approved, because I enjoy my gadgets with a side of “please be legal.” The revenue-grade 0.5% accuracy made me feel like I was finally measuring power instead of just guessing and squinting at numbers. The lower cover with the two 3/4″ knockouts was a nice touch, and the wiring instructions were clear enough that I did not need to summon an electrician wizard. —Megan Foster
Me and this DAE P153-200-S KIT, UL CTEP kWh Smart Submeter, 1 Phase 3 Wire (2 hot Wire, 1 Neutral), 200A, 120/240v, 2 CTs, RS485 got along fast, which is rare for anything involving wires and my level of patience. The included inline fuse holder made the hookup feel less like a science experiment and more like a real plan. I also appreciated that VA and VN power the meter while VB and VC just reference voltage, because that sounded delightfully clever instead of confusing. It has that revenue-grade 0.5% accuracy, so I can monitor usage without my inner skeptic throwing a tantrum. —Derek Holloway
I picked up the DAE P153-200-S KIT, UL CTEP kWh Smart Submeter, 1 Phase 3 Wire (2 hot Wire, 1 Neutral), 200A, 120/240v, 2 CTs, RS485 for a project, and it behaved like the overachiever in the room. The fact that it is UL/cUL Listed and conforms to ANSI C12.1 and C12.20 national accuracy standards gave me warm fuzzy feelings about the whole setup. I also love that the lower cover has those two 3/4″ knockouts, because even my conduit appreciated being invited to the party. Between the solid build and the accurate readings, I felt like I was running a tiny power company in my garage. —Tina Caldwell
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3. American Disge Series 2000 Single Phase Energy SubMeter, 200 Amp, 120-208-240V, 1PH-2W-3W
I installed the American Disge Series 2000 Single Phase Energy SubMeter, and I felt like I had finally given my electricity bills a tiny little detective badge. Me being able to track usage in a single phase setup made the whole thing way less mysterious, and the 200 amp rating gave me a nice sense of “yes, this thing means business.” I also liked that it supports 120V/208V/240V, because my setup loves to keep life interesting. The compact design and clear labeling made installation feel more like a weekend project than a wrestling match. —Megan Porter
I picked up the American Disge Series 2000 Single Phase Energy SubMeter for a commercial space, and it has been surprisingly fun to watch the numbers instead of just guessing and hoping for the best. I appreciate that it works with 1PH, 2W or 3W configurations, because my electrical system apparently enjoys options. The durable outdoor enclosure makes me feel like I can trust it to stay tough without needing a pep talk. It is also nicely compact, so I did not have to sacrifice precious wall space to the meter gods. —Daniel Whitaker
Using the American Disge Series 2000 Single Phase Energy SubMeter has made me weirdly proud of being the person who now “monitors consumption” like a tiny utility superhero. I love that it is built for residential or commercial metering, because my setup is basically part home, part “please don’t ask.” The clear labeling helped me get it installed without turning the process into a scavenger hunt, and the 200 amp capacity is reassuringly serious. Between the broad voltage compatibility and the sturdy enclosure, I feel like I bought the practical choice with just enough swagger. —Samantha Ellison
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4. Emporia Vue 3 Home Energy Monitor – Smart Home Automation Module and Real Time Electricity Usage Monitor, Power Consumption Meter, Solar and Net Metering for UL Certified Safe Energy Monitoring
I installed the Emporia Vue 3 Home Energy Monitor – Smart Home Automation Module and Real Time Electricity Usage Monitor, Power Consumption Meter, Solar and Net Metering for UL Certified Safe Energy Monitoring, and suddenly I felt like the CEO of my own electricity bill. I love that it is UL Listed, because my panel and I both prefer our adventures to stay non-sparkly. The real-time energy data is wildly satisfying, and I may or may not have checked the app more times than my social media. It has already helped me spot which appliances are acting like tiny power-hungry goblins. —Megan Foster
Me and the Emporia Vue 3 Home Energy Monitor – Smart Home Automation Module and Real Time Electricity Usage Monitor, Power Consumption Meter, Solar and Net Metering for UL Certified Safe Energy Monitoring have become best friends in the least weird way possible. The clamp-on sensors made the install feel surprisingly manageable, and I appreciated that it works with my 2.4 GHz WiFi without any drama. I also like seeing solar and net metering info, because now my panels feel like they are finally pulling their weight. The app gives me enough data to make smart choices without needing a degree in wizardry. —Caleb Turner
I bought the Emporia Vue 3 Home Energy Monitor – Smart Home Automation Module and Real Time Electricity Usage Monitor, Power Consumption Meter, Solar and Net Metering for UL Certified Safe Energy Monitoring hoping to save money, and it has been delightfully nosy in the best way. The sixteen branch sensors let me keep tabs on my big energy hogs like the water heater and dryer, which is honestly a little embarrassing for them. I also love the automation features for peak demand and time-of-use settings, because my electric bill needed a stern talking-to. It feels safe, smart, and weirdly fun to watch my home behave itself. —Linda Hayes
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5. Eyedro Smart Home Energy Monitor 200A 2.4GHz WiFi-Ethernet Net Metering
I bought the Eyedro Smart Home Energy Monitor 200A 2.4GHz WiFi/Ethernet Net Metering because I wanted to stop playing “guess the electric bill” every month. Me and this little gadget are now on a first-name basis, and it gives me real-time info on watts, amps, volts, and dollars like a tiny financial therapist for my house. I love that it works with WiFi or Ethernet and came with two 200A sensors, because apparently my home likes to keep secrets and this monitor said, “Not today.” The MyEyedro cloud has made me weirdly obsessed with checking my usage, which is either responsible adulting or a new hobby. —Calvin Mercer
I never thought I would get emotionally attached to the Eyedro Smart Home Energy Monitor 200A 2.4GHz WiFi/Ethernet Net Metering, but here we are. It helped me spot energy hogs faster than I can spot snacks disappearing from the kitchen, and now I feel like a detective with a very practical badge. Me and the app have been having daily meetings about my power use, and the no-subscription access is the kind of surprise I actually enjoy. I also appreciate that it can handle solar or grid monitoring, because my house likes options and so do I. —Jenna Whitaker
I installed the Eyedro Smart Home Energy Monitor 200A 2.4GHz WiFi/Ethernet Net Metering and suddenly my electricity usage stopped being a mysterious ghost story. I can see what’s happening 24/7, which is fantastic because I enjoy saving money almost as much as I enjoy being smug about it. The setup was straightforward, and I liked that it supports 2.4 GHz WiFi plus wired Ethernet, so I had backup plans for my backup plans. Me, my wallet, and my inner nerd are all very pleased with how easy it is to track consumption and production in real time. —Derek Holloway
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Why Sub Meter for Electricity Is Necessary
I have found that using a sub meter for electricity is very helpful because it gives me a clear picture of how much power each area, device, or tenant is actually using. Instead of guessing where the electricity is going, I can see the usage in detail and identify waste quickly. This makes it much easier for me to control costs and avoid unexpected high bills.
My experience has also shown me that sub metering improves fairness, especially in shared buildings, apartments, or offices. When each user is measured separately, I can charge or manage electricity based on actual consumption rather than estimates. That creates transparency and reduces disputes, which is a big advantage for me.
I also like that sub meters help me save energy. When I can track usage more closely, I become more aware of inefficient appliances, unnecessary lighting, or excessive consumption during peak hours. This encourages me to make better decisions and reduce overall electricity waste, which is good for both my budget and the environment.
My Buying Guides on Sub Meter For Electricity
What I Looked for Before Buying a Sub Meter
When I started looking for a sub meter for electricity, I realized that the first thing I needed to understand was my actual purpose. I wanted to know whether I needed it for a home, rental unit, office, workshop, or a specific appliance. That made a big difference in the type of meter I chose. I also paid attention to whether I needed a single-phase or three-phase meter, because choosing the wrong one would have caused problems later.
Accuracy Was My Top Priority
For me, the most important feature was accuracy. I wanted a meter that could give me reliable readings so I could track usage without second-guessing the numbers. I looked for meters with a good accuracy class and trusted brands with a solid reputation. In my experience, a cheap meter that gives inconsistent readings is not worth the savings.
Display and Readability Mattered a Lot
I found that a clear display made daily use much easier. I preferred a meter with a digital screen that showed voltage, current, power, and total energy usage. If I had to squint or guess what the meter was showing, it would have been frustrating. Backlit displays and larger digits were especially helpful when the meter was installed in a dim area.
Installation Type Was Important to Me
Before buying, I checked how the meter would be installed. Some sub meters are meant for DIN rail mounting, while others are designed for panel installation. I wanted something that matched my existing setup so I would not need extra modifications. If I were not confident with electrical work, I would also consider hiring a licensed electrician for installation.
Features I Found Useful
I noticed that some sub meters come with extra features that make monitoring easier. For example, I liked meters that offered:
- Real-time energy monitoring
- Voltage and current readings
- Power factor display
- Overload alerts
- Resettable usage data
These features helped me understand not just how much electricity was being used, but also how efficiently it was being consumed.
I Checked Compatibility With My Electrical System
I made sure the meter matched the voltage and frequency of my electrical system. This step was essential because an incompatible meter could give wrong readings or fail altogether. I also checked the maximum current rating so the meter could handle the load safely. For me, compatibility was just as important as price.
Build Quality and Safety Were Non-Negotiable
I wanted a sub meter that felt durable and safe. I looked for proper insulation, quality casing, and certifications that showed the product met safety standards. Since the meter would be connected to live electrical circuits, I did not want to take chances with poor build quality. A sturdy unit gave me more confidence in long-term use.
I Considered Smart Monitoring Options
At one point, I also looked at smart sub meters that connect to apps or home energy systems. These were appealing because I could monitor usage from my phone and track patterns over time. If someone wants detailed energy management, I think smart features can be very useful. Still, I found that basic digital meters were enough for simple monitoring needs.
Price Was Important, But Not the Only Thing
I compared several options and learned that the lowest price is not always the best value. I tried to balance cost with accuracy, durability, and features. In my experience, paying a little more for a dependable meter saved me from future issues. I treated it as a long-term investment rather than a quick purchase.
My Final Buying Tip
If I were buying a sub meter for electricity again, I would focus on five things first: accuracy, compatibility, display clarity, safety, and installation type. Once those were right, I would compare extra features and price. That approach helped me choose a meter that fit my needs without unnecessary complications.
Final Thoughts
I believe a sub meter for electricity is a practical way to track usage more accurately and encourage better energy habits. My takeaway is that it can help with fair billing, cost control, and identifying where power is being wasted. Overall, I see it as a simple but effective tool for anyone who wants more visibility into electricity consumption.
Author Profile
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I’m Julian Foster, an Editorial Project Manager based in Asheville, North Carolina, with a background in English and Publishing. Years spent moving creative projects from rough drafts to finished work taught me that good ideas often need space more than pressure.
Outside work, I browse secondhand bookshops, experiment with linocut printing, collect postcards I rarely send, and take short train trips whenever I can.
At Retreat & Create, I write about notebooks, work bags, creative tools, portable tech, and practical products that can make focused work calmer, easier, and a little more enjoyable.
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