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Smart Energy Monitoring for Modern Homes

Smart energy monitoring solutions help you track real-time electricity usage, lower your power bills, and improve energy efficiency for your home.

SUPPORT FOR DIFFERENT TYPE OF POWER DISTRIBUTIONS:

Single-Phase Smart Electric Meter

Monitor for 120V Used in residential homes

bg white_wattpanel-2x 200A*2+50A*8

120V/240V monitoring. For Home Main Board Panel.

Smart Electric Meter 80A – Three-Phase Energy Monitoring System for Home & Business

120V/208V or 220/380V. For apartments or large industrial plants.

Commercial Energy Monitor 300A3+50A16 – Ultimate Multi-Circuit Energy Tracking Solution for Industrial & Commercial Buildings

120V/208V or 277/480V. For apartments or large industrial plants.

Why Monitor Your Home’s Energy?

Cut costs, improve efficiency, and gain control of your electricity.

Stop Paying for Energy You Don’t Use

Smart tools help fight rising electricity prices.

Know What’s Using Power

Circuit-level detail lets you find inefficiencies easily.

See Waste, Save Fast

Instant data reveals usage spikes and hidden drains.

Smarter Data, Greener Homes

Optimize usage and shrink your carbon footprint.

Grus Smart Energy Monitoring Devices

Smart Electric Meter – Three-Phase Energy Monitoring System for Home & Business

Price range: €69,00 through €104,00

Monitor 480V commercial systems with precision (±2% accuracy) and seamless integration. Track voltage, current, active power, and energy consumption across 3-phase mains in real time.

  • 3-Phase Precision: Measure L1/L2/L3 voltage (100–240V), current (0–300A), power factor, and total energy with ±2% accuracy

  • Real-Time Alerts: Wi-Fi/Bluetooth connectivity for instant overload or imbalance notifications via Smart Life App

  • NEC-Compliant Installation: Directional CT clamps (P1→P2 arrows) ensure correct phase alignment

  • Rugged Design: Operates in -20°C to +55°C environments with industrial-grade durability

  • Active Power
  • Bidirectional Measurement
  • Display Temperature
  • Total Energy Consumption
  • Triple-phase Electricity

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Home Power Consumption Monitor – Single Phase Electric Meter for Energy Tracking

Price range: €34,00 through €39,00

Monitor your home’s energy flow for 120V/240V systems. Track grid consumption, solar feedback, and appliance usage in real time via the Grus Smart Energy App.

    • Bi-Directional Monitoring: Measure energy from/to the grid (ideal for solar users)

    • Real-Time Metrics: Voltage (90–250V), current, power factor, and active power with 15-second updates

    • Solar-Ready: Track inverter output and net metering seamlessly

  • Active Power
  • Bidirectional Measurement
  • Power Factor
  • Single-Phase Electricity

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WattPanel-2X Home Energy Monitor, a smart electric panel monitor designed for real-time energy tracking, circuit-level monitoring, and solar energy compatibility.

Price range: €87,00 through €148,00

Unmask Your Home's Energy SecretsMonitor every watt in your 120/240V system with ±2% high-accuracy tracking:
  • Track 2 mains + 16 circuits (solar / EV / HVAC)
  • Solar-Ready Dual Dashboard: Compare grid use and solar production
  • Circuit Overload Alerts: Wi-Fi push notifications every 15 seconds
  • No Electrician Needed: Clip-on, color-coded CT sensors

  • 2+16 Current Sensors (CTs)
  • Detailed Consumption Analysis
  • Load Centers Installation
  • Split-Phase Compatibility

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Multi-Circuit Energy Monitor - Commercial 3-Phase Power Monitoring System

Price range: €104,00 through €157,00

Audit 480Y/277V commercial systems with the WattPanel-3X Multi-Circuit Energy Monitor, monitoring 3-phase mains + 16 circuits (e.g., machinery, lighting panels).

    • 3-Phase Precision: ±2% accuracy for voltage, current, and bidirectional energy flow

    • Instant Load Alerts: Detect imbalances or outages via 2.4GHz Wi-Fi

    • Solar/Grid Sync: Track facility-wide consumption vs. solar generation

    • DIN-Rail Ready: Secure mounting in electrical panels

    • NEC-Compliant CTs: Directional clamps (3.5mm/2.5mm jacks) for safe 480V setups

  • Diverse Compatibility
  • Energy at a Glance
  • Multi-Circuit Monitoring
  • Plug-and-Play CTs
  • Real-Time Insights

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Power Meter Parameters Comparisons

Models
Voltage Support
Circuit Support
Current Range
Bi-Directional measurement
Target Use
WattNet-1

Single-Phase 120V

Support 100~240 Vac

1 ~ 2 Circuits

0 ~ 80A

Smart metering for Single-Phase usage

WattNet-3

3-Phase 120V/208V | 220/380V

Support 100~240 Vac per Phase

3 Circuits

0 ~ 80A

0 ~ 120A

0 ~ 200A

0 ~ 300A

Business / Solar

WattPanel-2X

Split-Phase 120V/240V

Support 90~380 Vac

2 Circuits (main) +

0 ~ 16 Circuits (Branch circuit)

Main:

0 ~ 200A/300A

Branch:

0 ~ 50A

Whole Home

WattPanel-3X

3-Phase 120V/208V | 277/480V

Support 90~277 Vac per Phase

3 Circuits (main) +

0 ~ 16 Circuits (Branch circuit)

Main:

0 ~ 200A/300A

Branch:

0 ~ 50A

Business / Industrial Plants

Key Features of Grus Smart Energy Monitoring

From real-time tracking to solar integration, our system offers precision, automation, and control

01. Real-Time Smart Energy Monitoring

View your electricity usage as it happens, anytime.

06. Remote App Control & Data Access

Access your energy data from anywhere via the Grus App.

05. 12-Month Historical Reports

Track usage trends and optimize over time.

02. Circuit-Level Consumption Insights

Identify high-usage appliances or rooms effortlessly.

03. Solar-Ready Integration

Monitor solar generation and consumption in one view.

04. Usage Alerts & Smart Automation

Get notified when energy spikes or devices run too long.

6 TYPICAL SCENARIOS

How to Choose the Right Energy Monitor?

Different homes and buildings have different energy needs. Whether you’re in a studio apartment or managing a solar-powered home, Grus offers tailored Smart Energy Monitoring solutions for every environment.

Small Apartment Living

Ideal for tracking single-phase usage in compact living spaces.

Home with HVAC

Monitors major appliances like HVAC, laundry, and kitchen circuits.

Home with Solar Panels

Track both grid consumption and solar generation in real time.

Multi-Family or Rental Property

Monitor each unit separately for billing or submetering.

Commercial or Industrial Facility

Three-phase monitoring supports large loads and heavy machinery.

Off-grid / Experimental Energy Setup

Perfect for hybrid setups, including batteries and off-grid systems.

See Also:Compare All Smart MetersSmart ThermostatsSolar Energy Monitoring Solutions

Electricity Basics:

FAQs About Smart Energy Monitoring

Find answers to the most common questions about using smart energy monitors at home or in your business. Whether you’re installing your first device or optimizing a solar-powered system, this section will help you get the most out of your Grus setup.

What is a smart energy monitor, and how does it work?

A smart energy monitor is a device that tracks your home’s or building’s electricity usage in real time. Grus devices like WattPanel-2X or WattNet-3 connect to your electrical panel and use clamp sensors to measure power flow through individual circuits or the entire system. Data is sent to the Grus Home Energy App, where you can view usage patterns, receive alerts, and analyze trends.

What’s the difference between a Grus smart meter and a utility smart meter?

While utility smart meters track your overall consumption for billing, Grus smart energy monitors provide real-time, circuit-level insights directly to you. You can:

• View which devices use the most power

• Detect wasteful standby loads

• Optimize based on peak/off-peak hours

• Monitor solar input (with compatible setup)

Do I need an electrician to install it?

For most Grus smart energy monitors, especially WattPanel-2X et WattNet-3, we recommend professional installation due to the need to access your main electrical panel. However, users with electrical experience can refer to our step-by-step guides and safety recommendations in the support center.

Can Grus energy monitors work with solar systems?

Yes. All Grus energy monitors are solar-ready. You can monitor solar production vs. household usage, set net metering alerts, and optimize for self-consumption. The WattNet-3 is particularly suited for three-phase solar setups.

Will it work with smart home systems like Google Home or Alexa?

Yes. The Grus App integrates with major smart home platforms, including:

• Amazon Alexa

• Google Assistant

• Apple HomeKit

• SumSung SmartThings

• Home Assistant

You can ask your voice assistant:

“What’s my current energy usage?”
“How much power did I use yesterday?”
“Is the garage light still on?”
Can I monitor individual appliances?

Yes, using circuit-level tracking, you can monitor groups of devices (e.g., kitchen, HVAC, home office). For appliance-level precision, we recommend pairing your energy monitor with smart plugs or sub-circuit sensors, available as accessories.

How secure is my energy data?

Grus encrypts all data in transit and at rest using industry-standard protocols. Your information is never sold and can be fully deleted at your request. You retain complete control of your data through your account dashboard.

The Data Server is located US or Europe based on your location.

Can I export my data?

Absolutely. You can export detailed CSV reports by hour, day, or month directly from the Grus App (Individual user) or Web Dashboard(for business usage). Perfect for budgeting, audits, or utility rebate applications.

Customer Success Stories

Discover how real users are leveraging Grus smart energy monitoring to save money, reduce waste, and gain control of their home or business energy use.

Case 2:

Ontario Warehouse Saved Thousands by Shifting Peak Loads

A 6,000 sq ft warehouse in Ontario installed WattNet-3, Grus’s industrial-grade 3-phase energy meter, to gain visibility over their equipment usage and power demand cycles.


Before the installation, the facility:

• Operated heavy machinery during peak tariff hours

• Had no visibility into HVAC cycling or refrigeration loads

• Encountered power penalty surcharges from utility due to demand spikes


Using the Grus Customized Dashboard + historical reports:

• They mapped energy consumption per hour across a 30-day window

• Discovered their CNC machine startup at 8:00 AM caused massive demand surges

• Rescheduled non-critical systems to start in staggered intervals

• Upgraded lighting to LED after identifying inefficient legacy fixtures

✅ Results:

• Reduced peak demand by 22%

• Avoided ~$1,800 in peak pricing surcharges over 4 months

• Qualified for a local utility rebate for load-shedding improvements


💬 Operations Manager:
“Grus gave us data-backed decisions. We stopped guessing and started saving—our utility bill is now a strategic tool, not a surprise.”


Case 1:

Emily from California Cut Her Power Bill by 27% in 3 Months

Emily, a homeowner in sunny San Diego, used to receive monthly electric bills exceeding $180, especially during peak air conditioning season. Curious about her energy use, she installed the Grus WattPanel-2X to track individual circuits throughout her home.


Within a week, she uncovered that her always-on pool pump and underutilized basement dehumidifier were responsible for 35% of her daytime consumption.


Using the Grus Home Energy App, Emily:

• Set timers to control high-draw devices

• Scheduled major appliances (washer, dryer) for off-peak hours

• Identified phantom loads (devices drawing power even when idle)

✅ Results:

• Reduced electricity bills from ~$180 to ~$131/month

• Shifted 41% of her consumption to off-peak hours

• Received smart alerts during energy spikes (e.g., oven left on)

💬 Emily says:
“The WattPanel showed me how much energy we wasted every day — I’ve taken back control and saved over $140 in just three months!”


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