Fusion Energy SEM-Meter (16 sensors)
#3 in Circuit-levelFull review
The lowest price for 16 circuits and local MQTT, if you accept a lesser-known maker.
Amazon $139.99$139.99
16Local + Home Assistant±1%
2 Fusion Energy energy monitors ranked. Each one is scored and ranked against every brand in its type, so "#3 mid-size" means third of all mid-size energy monitors here, not third among Fusion Energy's own.
Fusion Energy makes 2 current energy monitors: 2 circuit-level. Prices run from $129.99 for the Fusion Energy SEM-Meter (8 sensors) to $139.99 for the Fusion Energy SEM-Meter (16 sensors). Its best-rated model: the Fusion Energy SEM-Meter (16 sensors) (#3 of 8 circuit-level, rated 4.1).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Fusion Energy energy monitors 2
- Fusion Energy SEM-Meter (16 sensors)#3 circuit-levelFull review
The lowest price for 16 circuits and local MQTT, if you accept a lesser-known maker.
Amazon $139.99$139.9916Local + Home Assistant±1% - Fusion Energy SEM-Meter (8 sensors)#4 circuit-levelFull review
Choose the 16-sensor kit instead unless it is out of stock; the saving here is small.
Amazon $129.99$129.998 (expands to 16)Local + Home Assistant±1%
