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Comprehensive, Reliable, Safe and Efficient Enerngy Management

Energy Live Data and Histrocial Record
Real-Time Data and Historical Record: 36 month data store in cloud.
High Granularity and Precision Processing: 99% Accuracy

Load Management and Automate Control
Comprehensive Application: .
Cloud Mode: Access from mobile App or Web APP, or MQTT API;Local Mode: Access through Home Assistant, or ModBus TCP API;

Peak Demand and Energy Hog Detect
Smart Monitoring & Analysis: Support daily/monthly/year summary, demand check, consumption monitor, find energy hogs, left-on detect,and so on.
The Smart Home Energy Solution, Ideal for Solar Energy Monitor, Electrical Consumption Monitor, Home Automation

Take Control of Your Home Energy: Monitoring Solar Self-Sufficiency, Detailed Power Usage, Automation, Assistant to Optimize Usage and Reduce Bills.
Outstanding Renewable Energy Management Capabilities
Tracking of Self-Consumed Energy: Monitors up to 10 circuits and each with bidirectional metering capability. It provides precise input/output energy statistics by accurately measuring self-consumption and grid feed-in volumes, facilitating in-depth analysis of energy utilization efficiency.New Energy Device Coverage: Focuses on monitoring renewable energy equipment including PV generation, EV/V2G discharge, and BESS(battery energy storage system), providing detailed generation and consumption records with full traceability.Boosts Efficiency with Solar:Work with smart schedule platform through API, automatically run your appliances on sunshine! Shifting flexible loads to solar peak times to slash your grid consumption. When selling power is lucrative, it maximizes energy export to the grid to get you paid more.Orchestrate Your Energy with Smart Automation:Featuring seamless Home Assistant integration for intelligent scheduling and truly intelligent energy management.
What Can eMonHub Help You?

Smart Energy Ananlysis for Abnormal Usage Behaviour Identify Your Most Power-Hungry Appliances Pinpoints top energy drains and evaluates their efficiency. Unlock Seamless & Smart Automation via Home Assistant Live Energy Monitoring & Trace Back Events
Gain full visibility into how and when your appliances use electricity. Track the activity of your major power-consuming devices and instantly identify abnormal consumption patterns from anywhere, right from your phone.
Waste Detection in Home Appliances Stoping Pay for Energy I Didn’t Use?
This tool detected appliances left on and showed me how forgotten lights were costing me an extra $10 a month.Now that waste—and the extra cost—is gone.
Set Usage Alerts to Avoid High Costs
Get notified before faulty appliances cost you money. Avoid steep peak-demand charges from your utility company. Never exceed your energy budget again. Our alerts give you the knowledge to prevent waste and avoid unnecessary expenses.
What Sets eMonHub Apart?

Wide Application and Flexible Installation
Space-Saving and Easy Installation: Ideal for space-constrained panels, it saves 30% more wiring connection space than conventional solutions.This High-precision Metering Solution: Employ DSP for measurement processing, combined with an adaptive measure algorithm, to achieve high accuracy for resistive, inductive (motor), and capacitive (charging pile) loads.For customers concerned about data leaks, our local deployment mode provides peace of mind. The software runs on your own servers, enabling secure API access for monitoring without the need for cloud data transfer.


Technical Specifications
Power Supply:Power Supply: 100-240 V~, 50/60 Hz
Number of Circuits: 10
Setup: Pre-configured, Mobile App;
Network: 2.4 GHz Wi-Fi, Ethernet;
Power Systems: Single-phase, Split phase, 3P4W Wye systems with earthed (TN or TT) neutral (no-Delta);
Max. Power Consumption: 5 W
Operating Temperature: -12 to 122 °F (-25 to 50 °C);
Storage Ambient Temperature: -40 to 167 °F (-40 to 75 °C);
Accuracy: 99%;
Certifications: FCC, CE
Simple Configuration,Rapid deployment and Easy Operation
Quick and easy setup
It just works: the device comes with default configurations tailored to user habits, supporting immediate use. If adjustments are needed for specific scenarios, users can quickly adapt the settings by making minor modifications to the default template.
Supports both graphical and textual chart displays, presenting data in an intuitive and easy-to-understand manner, helping users quickly grasp information and get started effortlessly. Offers web and mobile application platforms, allowing users to flexibly choose their access method for convenient management anytime, anywhere, enabling free and efficient device control.
LOWER YOUR ELECTRIC BILL: The device integrates energy monitoring with data analysis to identify potential energy savings for you. It can also be integrated in automated energy management system, charging management system or home assistant to make energy efficiency smarter and more effective. Monitoring, automate, manage and control your home’s real power anywhere, anytime to reduce energy waste and lower your bills..
REAL-TIME ENERGY DATA:(1) Real-time energy monitoring and historical trace .1 second data is only available in the app (when actively open) , but minute and hour data are retained in the cloud. 1 minute data is retained 45 days. Monthly and yearly summary retains 36 months in cloud. (2)Intelligent Analysis Report: Find energy hogs, left-on device, excess use and PV self-consumption, demand and historical comparison. (3) Monitoring via mobile(iOS & Android) or web APP, while also providing ModBus TCP access for third-party management systems-Without cloud need.
24/7 ENERGY MANAGEMENT AND MONITORING:(1)Monitor 10 circuits and each circuit supports bidirectional metering, making it an ideal solution for PV, V2G, and BESS monitor, which tracks energy self-consumption and grid feed-in.(2) Both WiFi and Ethernet Internet Connection.(3) Space-Saving Design: Embedded spring terminals save installation space compared to conventional connectors.
INSTALLS IN CIRCUIT PANEL:Supports the standard residential split-phase power system in North America. Single-phase single wire and three-phase power systems(TN/TT) can also be supported through software configuration changes. PROTECTED BY A 1-YEAR WARRANTY.
PLUG-AND-PLAY, EASY SETTING:(1) Plug-and-Play, Factory-preconfigured settings enable immediate use upon connection. Even when adjustments are needed, simple modifications can be made through intuitive templates . (2) Access via mobile apps and web browsers anytime, anywhere. (3)Upgrade Software to support home assistant
2 reviews for Sungrass Home Energy Monitor-Real Time Electricity Usage Monitor,Power Consumption Meter, Historical Energy Tracking, Automation Module,Solar Self-Consumption Statistics,Demand Measure
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$119.99

Mr Christopher M Carver –
A Beginner’s Dream! The installation and configuration were way easier than I thought.
“As a DIY newbie, I thought setting up an energy monitor would be complicated and time-consuming, but eMonHub completely changed my perspective. Its installation guide is incredibly thoughtful—it seems like they’ve anticipated every question a beginner might have. I especially appreciated the simple, clear rule that all CT sensors must face toward the unit. It’s straightforward and easy to remember!The terminal blocks are super beginner-friendly. They’re simple to connect, feel secure, and just make you feel safe. The biggest surprise was the default configuration template. It worked almost right out of the box for my basic needs, saving me the huge trouble of having to figure everything out from scratch. It allowed a total newbie like me to get up and running in no time!”
tom –
After a Long Search, Fulfilled My Dream of Local Energy Management!
As a smart home enthusiast, I always wanted to integrate my home’s energy monitoring into my own system. However, the vast majority of devices on the market are forced to be cloud-bound, which raised significant concerns for me regarding privacy and latency. I searched high and low for a long time until I discovered eMonHub! Its perfect local API interface finally allows my energy management software to directly and swiftly access data and execute controls, with zero latency response and completely private data. This is the device I’ve always dreamed of!