Finding the right energy monitor for your home electrical panel can significantly improve your energy management. The best overall pick, Home Energy Monitor for Home Assistant, offers comprehensive real-time tracking and solar self-consumption insights. For those seeking affordability, the Refoss Smart Home Energy Monitor provides solid features at a lower price point, while the Emporia Vue 3 stands out for its detailed sensor array. The main challenge in this category is balancing accurate measurement, ease of installation, and compatibility with existing smart home setups. Continue reading for a detailed comparison to help you make an informed choice.
Complete the kit
Key Takeaways
- Top monitors combine real-time data with user-friendly interfaces for better energy insights.
- Sensor count and phase compatibility influence the accuracy and scope of monitoring.
- WiFi-enabled options tend to offer easier setup and integration with smart home systems.
- Price varies widely, but higher cost often correlates with more detailed data and broader capabilities.
- Compatibility with platforms like Home Assistant or open APIs can enhance long-term flexibility.
| Home Energy Monitor for Home Assistant – Real-Time Electricity Usage and Solar Self-Consumption Tracking |  | Best Overall Integration for Home Automation Enthusiasts | Compatibility: Home Assistant | Monitoring Circuits: Up to 10 per unit, scalable to 30 | Connectivity: Wi-Fi and Ethernet | VIEW ON AMAZON | See Our Full Breakdown |
| Smart Home Energy Monitor with 200A Current Transformer, 90-250VAC, Single Phase |  | Best for Basic Remote Monitoring of Solar and Grid Usage | Current Transformer: 200A | Voltage Range: 90-250VAC | Current Measurement Range: 0.2-80A | VIEW ON AMAZON | See Our Full Breakdown |
| Emporia Energy Monitor with 16 Sensors and 4 Smart Plugs Bundle |  | Best for Whole-Home and Circuit-Level Monitoring with Automation | Sensors: 16 | Smart Plugs: 4 | Compatibility: iOS, Android, Alexa | VIEW ON AMAZON | See Our Full Breakdown |
| Refoss Smart Home Energy Monitor with Open API, Home Assistant, No Cloud |  | Best for Privacy-Conscious, Tech-Savvy Solar Homes | Model: EM16P | Control: Local Web UI, Open API, MQTT | Compatibility: Home Assistant, OpenClaw AI | VIEW ON AMAZON | See Our Full Breakdown |
| Smart Home Energy Monitor with 16 50A Circuit Sensors, Real-Time Power & Cost Tracking, Compatible with Home Assistant |  | Best for Detailed, Circuit-Level Monitoring with Cost Analysis | Sensors: 16 50A | Supported Voltages: Single-phase up to 240VAC, split-phase, three-phase | Connectivity: WiFi, MQTT, LAN | VIEW ON AMAZON | See Our Full Breakdown |
| WiFi Home Energy Monitor with 3 80A CT Clamps, Circuit-Level Monitoring, Real-Time Electricity Usage, Smart Life/Tuya App |  | Best for Circuit-Level Detail and App Control | Panel-Level Energy Monitoring: Designed for selected circuit monitoring in electrical panels | Number of CT Clamps: 3 | Clamp Current: 80A each | VIEW ON AMAZON | See Our Full Breakdown |
| Eyedro Smart Home Energy Monitor 200A WiFi/Ethernet |  | Best for Dual Connection and Flexibility | Current Rating: 200A | Connectivity: WiFi 2.4 GHz, Ethernet | Includes: Two 200A sensors, Ethernet cable, power adapter | VIEW ON AMAZON | See Our Full Breakdown |
| Meross Smart Home Energy Monitor, Real-Time Power & Cost Tracking |  | Best for Privacy and Local Data Storage | Certification: ETL, UL 61010 | System Compatibility: Single-phase 2-wire, 3-phase 4-wire | Max Main Circuits: 200A | VIEW ON AMAZON | See Our Full Breakdown |
| Emporia Vue 3 Commercial 3-Phase Smart Energy Monitor |  | Best for Multi-Phase and Commercial Use | Part Number: 999-00016 | Item Weight: 3.63 pounds | Product Dimensions: 10 x 5 x 5 inches | VIEW ON AMAZON | See Our Full Breakdown |
| Eyedro 3-Phase Energy Meter 200A/600V WiFi/Ethernet |  | Best for Non-Invasive Multi-Phase Monitoring | Voltage Options: 600V Delta, 480V/277V Wye, 208V/120V | Current Range: 5A–6000A | Power Supply: 6VAC North American power adapter | VIEW ON AMAZON | See Our Full Breakdown |
| Refoss Smart Home Energy Monitor with 16 60A Circuit Sensors |  | Best for Detailed Circuit-Level Monitoring and Automation Integration | Number of sensors: 16 | Sensor current: up to 60A | Main sensors: 2 (up to 200A) | VIEW ON AMAZON | See Our Full Breakdown |
| Emporia Vue 3 Home Energy Monitor – Real-Time Electricity Usage and Power Consumption Meter |  | Best for Ease of Use and Compatibility with Solar & Mobile Management | Certification: UL Listed | Supported Systems: Single phase, single-split phase, 2-wire, 3-wire, 3-phase, 4-wire Wye | Connectivity: 2.4 GHz WiFi | VIEW ON AMAZON | See Our Full Breakdown |
| energy monitor for home electrical panel | Connectivity |
|---|---|
| Home Energy Monitor for Home A | Wi-Fi and Ethernet |
| Smart Home Energy Monitor with | — |
| Emporia Energy Monitor with 16 | — |
| Refoss Smart Home Energy Monit | — |
| Smart Home Energy Monitor with | WiFi, MQTT, LAN |
| WiFi Home Energy Monitor with | WiFi 2.4GHz |
| Eyedro Smart Home Energy Monit | WiFi 2.4 GHz, Ethernet |
| Meross Smart Home Energy Monit | Home Assistant, Open API |
| Emporia Vue 3 Commercial 3-Pha | — |
| Eyedro 3-Phase Energy Meter 20 | WiFi 2.4 GHz, Ethernet |
| Refoss Smart Home Energy Monit | Wi-Fi with external antenna |
| Emporia Vue 3 Home Energy Moni | 2.4 GHz WiFi |
More Details on Our Top Picks
Home Energy Monitor for Home Assistant – Real-Time Electricity Usage and Solar Self-Consumption Tracking
This monitor shines for those who want deep integration with Home Assistant, offering real-time data on energy usage and solar self-consumption across up to 30 circuits. Compared with the Emporia Vue bundle, it provides more customizable automation and privacy, especially with local data storage. Its support for multiple circuits and renewable energy tracking makes it ideal for tech-savvy homeowners looking for detailed insights. The setup can be complex, requiring familiarity with home automation systems and North American power standards, which might be a barrier for beginners. Its seamless integration and security features justify the higher technical barrier for those committed to smart home customization.
Pros:- Seamless integration with Home Assistant for real-time automation
- Supports up to 30 circuits for comprehensive monitoring
- Secure local data storage enhances privacy
- Supports renewable energy tracking for solar systems
Cons:- Requires compatible home automation system (Home Assistant)
- Limited to North American power systems without adjustments
- Advanced features may involve technical setup
Best for: Homeowners with existing Home Assistant systems seeking detailed, customizable energy insights.
Not ideal for: Less tech-savvy users or those without Home Assistant, as setup and advanced features may be overwhelming.
- Compatibility:Home Assistant
- Monitoring Circuits:Up to 10 per unit, scalable to 30
- Connectivity:Wi-Fi and Ethernet
- Supported Power Systems:North American split-phase, single-phase, three-phase
- Certifications:FCC, CE, UL/IEC
- Installation:Circuit panel, spring terminals
Our verdict“This pick is best for homeowners who want detailed, customizable energy management within a smart home ecosystem.”
Smart Home Energy Monitor with 200A Current Transformer, 90-250VAC, Single Phase
This model is well-suited for users wanting straightforward, real-time energy tracking with app control, supporting bidirectional monitoring for solar and grid energy. Its robust current transformer and wide voltage range make it reliable for typical single-phase homes. Compared to the Refoss EM16P, it offers a more user-friendly setup, but the setup process itself can still challenge those unfamiliar with smart home devices. Its app-based remote monitoring makes it ideal for users who want quick insights without complex integrations, though it’s limited to single-phase systems and Wi-Fi connectivity. It’s a solid choice for those seeking an easy-to-use, mobile-friendly energy monitor.
Pros:- Supports bidirectional energy monitoring including solar
- Mobile app control for remote access
- Wide voltage range for versatility
- Reliable current transformer for accurate readings
Cons:- Limited to single-phase systems
- Complex setup may challenge some users
- Requires WiFi connection for app control
Best for: Homeowners wanting quick, remote insight into solar and grid energy, with minimal automation needs.
Not ideal for: Advanced users looking for detailed circuit-level data or multi-phase support, as it’s limited in scope.
- Current Transformer:200A
- Voltage Range:90-250VAC
- Current Measurement Range:0.2-80A
- Maximum Operating Temperature:55°C
- Measurement Type:Voltmeter
- Compatible Devices:Smartphone
Our verdict“This monitor is perfect for users seeking simple, effective remote energy tracking without extensive automation.”
Emporia Energy Monitor with 16 Sensors and 4 Smart Plugs Bundle
This bundle excels at providing detailed, real-time energy insights for entire homes, with 16 sensors covering multiple circuits and 4 smart plugs for device automation. Unlike the single-sensor options, it offers a comprehensive view of power consumption across the house, making it ideal for cost reduction and energy optimization. Its compatibility with popular platforms like Alexa and mobile apps puts control at your fingertips, but setup can be complex for non-technical users. Compared to the Refoss EM16P, it’s more plug-and-play for smart home integration, but the multitude of sensors and smart plugs may be excessive for very small homes or simple use cases. This bundle suits those needing both monitoring and automation in one package.
Pros:- Provides detailed energy data across multiple circuits
- Includes smart plugs for remote device control
- Compatible with popular smart home platforms
- Supports solar net metering integration
Cons:- Setup may be complex for beginners
- Requires smartphone app for full functionality
- Bundle may be more than needed for small homes
Best for: Homeowners wanting detailed, whole-home energy analysis with automation capabilities.
Not ideal for: Casual users who only need basic monitoring, as the setup and device count can be overwhelming.
- Sensors:16
- Smart Plugs:4
- Compatibility:iOS, Android, Alexa
- Supports Solar Net Metering:Yes
Our verdict“Ideal for energy-conscious homeowners who want detailed insights and automation in one package.”
Refoss Smart Home Energy Monitor with Open API, Home Assistant, No Cloud
This device is tailored for users who prioritize data privacy and local control, offering high-accuracy measurements and integration with Home Assistant and OpenClaw AI. Its open API and MQTT support allow advanced automation and long-term data storage, surpassing cloud-dependent options like the Emporia Vue in privacy and customization. The installation is non-invasive, and its ability to monitor multiple circuits makes it suitable for solar homes aiming to optimize surplus energy. However, it demands technical knowledge for setup and configuration, and lacks a standalone display, which means users must rely on software interfaces. This makes it less suitable for those seeking plug-and-play or minimal setup.
Pros:- Ensures data privacy with no cloud dependency
- Supports Home Assistant and OpenClaw AI for automation
- High measurement accuracy and long-term data storage
- Supports multiple circuits with clamp-on sensors
Cons:- Requires technical knowledge for setup
- Limited built-in user interface
- Specific circuit sensor capacities (2 main, 16 branch)
Best for: Tech-savvy homeowners with solar systems wanting local, customizable energy management.
Not ideal for: Less experienced users or those preferring simple, out-of-the-box solutions, due to setup complexity.
- Model:EM16P
- Control:Local Web UI, Open API, MQTT
- Compatibility:Home Assistant, OpenClaw AI
- Accuracy:±1% (200A), ±2% (low current)
- Data Storage:Up to 5 years
- Main Circuit Sensors:2 (2–200A each)
Our verdict“Best suited for users who value privacy and extensive customization over ease of setup.”
Smart Home Energy Monitor with 16 50A Circuit Sensors, Real-Time Power & Cost Tracking, Compatible with Home Assistant
This monitor offers straightforward installation with clamp-on sensors and supports up to 16 circuits, making it suitable for detailed energy tracking and cost management. Its compatibility with Home Assistant and MQTT provides options for privacy-focused automation, unlike simpler models that lack integration. Its support for multiple phases and detailed real-time data makes it ideal for rental properties, shared living spaces, or larger homes. However, setup can be technically involved, especially for users unfamiliar with MQTT or LAN configurations. Compared to the single-sensor options, it provides a more granular view of energy use, which is valuable for detailed analysis but might be overkill for basic monitoring needs.
Pros:- Easy clamp-on installation for multiple circuits
- Supports real-time power and cost tracking
- Compatible with Home Assistant and MQTT
- Ideal for multi-phase and detailed monitoring
Cons:- Requires technical setup for MQTT and LAN
- Limited to certain electrical configurations (no delta three-phase)
- No built-in display or standalone interface
Best for: Homeowners or landlords wanting circuit-specific energy data and cost tracking with automation support.
Not ideal for: Users seeking simple plug-and-play devices or with limited technical experience, due to setup complexity.
- Sensors:16 50A
- Supported Voltages:Single-phase up to 240VAC, split-phase, three-phase
- Connectivity:WiFi, MQTT, LAN
- Monitoring:Real-time power and cost
- Warranty:1 year
Our verdict“Great for those needing detailed circuit-level energy data and cost insights with automation capabilities.”
WiFi Home Energy Monitor with 3 80A CT Clamps, Circuit-Level Monitoring, Real-Time Electricity Usage, Smart Life/Tuya App
This monitor stands out for providing detailed circuit-level insights, making it ideal for homeowners who want to track specific appliance consumption. Compared to the Eyedro WiFi/Ethernet models, it offers real-time data via popular smart apps, but it’s limited to only three circuits and requires professional installation due to wiring complexity. This makes it less suitable for DIY enthusiasts or those with many circuits to monitor. Its temperature alerts and remote control features add convenience, but the necessity of electrical wiring and WiFi dependence are tradeoffs. If you seek granular control over individual circuits and app integration, this pick delivers, though installation complexity might be a hurdle.Pros:- Enables detailed circuit-level energy monitoring for home appliances
- Supports real-time data viewing via popular smart apps
- Includes temperature alerts and remote ON/OFF control
Cons:- Installation involves electrical wiring; professional help recommended
- Limited to monitoring up to 3 circuits simultaneously
- Requires WiFi connection for app features
Best for: Homeowners wanting circuit-specific data with smart app control and temperature alerts
Not ideal for: DIYers or renters who prefer wireless or plug-in solutions, as installation is complex
- Panel-Level Energy Monitoring:Designed for selected circuit monitoring in electrical panels
- Number of CT Clamps:3
- Clamp Current:80A each
- Input Voltage:AC 100–240V
- Connectivity:WiFi 2.4GHz
- App Compatibility:Smart Life, Tuya
- Temperature Monitoring:External sensor, alerts above 50°C
- Relay Current:Up to 15A
Our verdict“This monitor suits those who need detailed circuit insights and are comfortable with professional wiring, but less so for casual DIY users.”
Eyedro Smart Home Energy Monitor 200A WiFi/Ethernet
The Eyedro 200A WiFi/Ethernet model excels at providing real-time energy insights with flexible connectivity options, making it suitable for users who want reliable data access via cloud or local network. Unlike the Meross monitor, which is more straightforward but with limited system compatibility, this device supports solar, grid, and net metering, appealing to solar owners and those with complex energy setups. Its two sensors allow comprehensive monitoring, but setup can be more involved, especially for those unfamiliar with network configurations. While it’s ideal for users prioritizing flexible connectivity and detailed analytics, the need for professional installation and lack of subscription fees are tradeoffs. If you value network options and extensive data, this is a strong choice.Pros:- Provides real-time detailed energy usage data
- Supports both WiFi and Ethernet connections for reliable access
- Ideal for solar, grid, and net metering applications
Cons:- Requires two sensors for full net metering setup
- Setup can be complex without technical experience
- Limited to North American safety standards
Best for: Homeowners or small business owners with solar or complex energy systems needing flexible network options
Not ideal for: Users seeking a simple plug-and-play device or without network setup experience
- Current Rating:200A
- Connectivity:WiFi 2.4 GHz, Ethernet
- Includes:Two 200A sensors, Ethernet cable, power adapter
- Compatibility:Solar, grid, net metering
- Standards:North American safety standards
- Cloud Access:MyEyedro cloud (no subscription)
Our verdict“This model is best for users who want flexible connectivity and detailed solar and grid monitoring, despite a potentially complex setup process.”
Meross Smart Home Energy Monitor, Real-Time Power & Cost Tracking
The Meross Energy Monitor offers reliable real-time monitoring of power, voltage, current, and costs, making it suitable for those who want to understand their energy spending without cloud dependencies. It supports circuit-level monitoring and integrates well with Home Assistant, providing local data storage without ongoing fees. Compared to the Eyedro WiFi/Ethernet, it emphasizes privacy with local storage and supports a variety of electrical systems, but it doesn’t have cloud-based remote access unless integrated with Home Assistant, which may be limiting for some users. Its straightforward clamp-on installation makes it accessible, yet electrical knowledge is necessary. If local data control and privacy matter most, this device fits well, with some tradeoffs in remote accessibility.Pros:- Accurate real-time energy monitoring with detailed usage data
- Supports circuit-level monitoring for precise insights
- Local data storage ensures privacy with no subscription fees
- Easy clamp-on installation
Cons:- Requires electrical knowledge for installation
- Limited to US electrical systems
- No native cloud remote access without Home Assistant
Best for: Homeowners who prioritize privacy, local data storage, and integration with smart home systems
Not ideal for: Users seeking cloud-based remote monitoring without additional smart home platforms
- Certification:ETL, UL 61010
- System Compatibility:Single-phase 2-wire, 3-phase 4-wire
- Max Main Circuits:200A
- Branch Circuits:Up to 16
- Data Storage:Up to 5 years
- Connectivity:Home Assistant, Open API
Our verdict“Ideal for privacy-conscious users wanting local data control and smart home integration, though it requires some electrical skill to install.”
Emporia Vue 3 Commercial 3-Phase Smart Energy Monitor
The Emporia Vue 3 excels at monitoring complex systems, supporting both single-phase and three-phase setups with high accuracy and multiple sensors, making it suitable for small businesses or homes with advanced energy needs. Compared to the Meross or Eyedro models, it offers broader system support, including 3-phase systems, but requires Wi-Fi and internet for full features. Its installation is more involved, often requiring professional help, especially for multi-phase wiring. While it’s a robust solution for larger loads and solar integration, the complexity and additional sensor costs are tradeoffs. If you manage a multi-phase system and need detailed, customizable monitoring, this model is a solid fit.Pros:- Supports multiple system types including 3-phase and single-phase
- Provides real-time, high-accuracy energy data
- Includes multiple sensors for critical load monitoring
- Supports solar and net metering
Cons:- Requires Wi-Fi and internet connection for full functionality
- Additional sensors are sold separately for some configurations
- Installation complexity may require professional help
Best for: Small business owners or homeowners with three-phase systems needing detailed, scalable monitoring
Not ideal for: Individuals with simple single-phase setups or those seeking plug-and-play solutions
- Part Number:999-00016
- Item Weight:3.63 pounds
- Product Dimensions:10 x 5 x 5 inches
- Item model number:EMV3A-3P-8
- Color:White
- Power Source:Hardwire
- Warranty:1 Year
Our verdict“Best suited for users managing multi-phase systems or small businesses needing detailed energy insights, despite installation complexity.”
Eyedro 3-Phase Energy Meter 200A/600V WiFi/Ethernet
The Eyedro 3-Phase Energy Meter offers detailed, real-time analytics with split-core sensors that allow for non-invasive installation, making it suitable for larger or complex electrical systems without extensive wiring. Compared to the simpler single-phase models, it supports high-voltage applications and solar integration, appealing to users with more advanced energy setups. Its dual connectivity options provide flexibility, but setup through the cloud can be complex, especially for users unfamiliar with network configurations. This device is ideal for those who want comprehensive, scalable energy data without invasive wiring, though it may require more technical setup and local support considerations. It’s a robust choice for multi-phase, high-voltage systems.Pros:- Supports real-time energy analytics for multi-phase systems
- Non-invasive split-core sensors simplify installation
- Flexible WiFi and Ethernet connection options
- Supports solar and net metering applications
Cons:- Setup via cloud platform can be complex for some users
- European power adapters sold separately
- Limited local support information available
Best for: Advanced users or small-scale commercial operators needing non-invasive, multi-phase energy monitoring
Not ideal for: Homeowners with simple, single-phase systems seeking straightforward installation
- Voltage Options:600V Delta, 480V/277V Wye, 208V/120V
- Current Range:5A–6000A
- Power Supply:6VAC North American power adapter
- Connectivity:WiFi 2.4 GHz, Ethernet
- Sensor Type:Split-core current sensors
- Included Sensors:Two 200A sensors
- Compatibility:Supports solar, grid-tie, net metering
- Dimensions:10 x 7 x 3 inches
Our verdict“Best for experienced users managing multi-phase or high-voltage systems who need detailed analytics without invasive wiring, despite setup complexity.”
Refoss Smart Home Energy Monitor with 16 60A Circuit Sensors
The Refoss Smart Home Energy Monitor stands out for its capacity to track up to 16 circuits simultaneously, making it ideal for households interested in granular energy management. Compared with the Emporia Vue 3, it offers more extensive local control options via web UI and API, eliminating reliance on cloud services for automation. This makes it suitable for users with some technical confidence who want detailed analytics stored locally for 5 years. However, installation can be complex, especially for those unfamiliar with electrical systems, and it requires a stable Wi-Fi connection for full operation. Its support for single-phase, split-phase, and 3-phase 4-wire systems covers most residential setups, but it’s not designed for multi-phase commercial applications. The tradeoff here involves balancing detailed, customizable data analytics against potentially challenging setup requirements.
Pros:- Provides extensive real-time monitoring for up to 16 circuits
- Supports local control and automation without cloud dependency
- Stores energy data securely for 5 years with export options
- Supports various system types (single, split, 3-phase)
Cons:- Installation may require electrical knowledge and careful wiring
- Requires Wi-Fi connection for full functionality
- Limited to specific system configurations (not suitable for all multi-phase setups)
Best for: Homeowners with technical skills seeking comprehensive circuit-level energy data and automation control.
Not ideal for: Less experienced DIYers or those preferring plug-and-play solutions without complex wiring or configuration.
- Number of sensors:16
- Sensor current:up to 60A
- Main sensors:2 (up to 200A)
- Supported systems:Single-phase, Split-phase, 3-phase 4-wire Wye
- Data storage:5 years
- Connectivity:Wi-Fi with external antenna
Our verdict“This monitor is best for technically inclined users who want detailed, customizable circuit data without relying on cloud services.”
Emporia Vue 3 Home Energy Monitor – Real-Time Electricity Usage and Power Consumption Meter
The Emporia Vue 3 makes a compelling choice for homeowners who prioritize safety, simplicity, and broad compatibility. Its UL listing assures safety and reliability, comparable to the safety standards of other monitors like the Refoss. It supports diverse systems, including 3-phase setups with neutral, making it flexible for different household wiring. While it offers real-time data and supports solar and net metering, its data retention is limited to 7 days at a 1-minute refresh rate unless viewed at a 1-hour interval, which could be restrictive for detailed analysis. Installation is straightforward, especially for those familiar with circuit panels, and its mobile app compatibility enhances remote management. However, it relies heavily on Wi-Fi and internet connections, and additional sensors are needed for some system types, which might increase costs and complexity.
Pros:- UL safety certification enhances reliability
- Supports a wide range of electrical system configurations
- Easy installation with flexible sensor options
- Compatible with iOS, Android, and web apps for remote access
Cons:- Limited data retention (7 days) unless viewed at longer intervals
- Requires internet connection for full functionality
- Additional sensors needed for some 3-phase systems with neutral
Best for: Homeowners seeking a reliable, easy-to-install energy monitor with mobile app support and solar integration.
Not ideal for: Users who need long-term data storage or plans for highly detailed, second-by-second analytics without internet dependency.
- Certification:UL Listed
- Supported Systems:Single phase, single-split phase, 2-wire, 3-wire, 3-phase, 4-wire Wye
- Connectivity:2.4 GHz WiFi
- Sensors:Sixteen 50A branch sensors
- Data Retention:7 days (1-minute data)
- Warranty:1 year
Our verdict“This monitor is well-suited for users prioritizing safety, ease of setup, and remote management, especially with solar integrations in mind.”
