Efergy True Power Meter

The Most Accurate Portable Home Energy Monitor

In the box: 1 x TPM Display / 1 x Transmitter / 2 x XL Sensor / 2 x AC/DC / TPM adapter

Note: Single-phase only


273 in stock

SKU: ETPM-US Category:

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Measures voltage and phase for higher accuracy

Understand your energy use

This Energy Monitor is hardwired into your electric panel. The monitor shows you the real time usage in Watts and the cost
per hour (or kWh if preferred), based on true power consumption. Also measures voltage and phase for higher accuracy.


See how much electricity you are using at any given time (cost, Kw and CO2)


View historical daily, weekly or monthly data (cost, CO2 and kWh)


See average use per day, week or month data (cost, CO2 and kWh)


Humidity and temperature functions added


Up to 5 different world currencies available ($, €, £, ₹, Kr, R)


Select up to 4 different tariff cost settings


Audio alert if you go over your set maximum power consumption target


Peak time symbol when the most expensive electricity tariff is in use

Up to 99% accuracy based on true power consumption

The Efergy true Power Meter monitor displays in kilowatts based on true power consumption reaching 99% accuracy. It follows the utility voltage and measures phase angle to compensate for power factor.

Portable and compact display

The Efergy true Power Meter updates every 10 seconds showing real-time data so that you can take the right energy saving decisions, helping you to instantly reduce you electricity bill.

The True Power Meter is suitable for use in any 120/240 volt single phase utility environment found in virtually all homes in North America. It is not suitable for use in multi unit dwellings such as apartment buildings or condominiums which typically have a combination single/3 phase 120/208 volt utility environment.


1. Locate your electric panel and install the AC/AC adaptor. 2. Clip the sensors around the main feed wires. 3. Plug the sensor’s jack into the transmitter. 4. Link the transmitter with the monitor, set it up and start tracking your energy consumption.

This device must be installed by a qualified electrician, unless otherwise permitted by local regulations.