Shelly EM Gen3 is the top pick among smart energy monitors under $100, rated 4.6 stars across 262 customer reviews.
ShellyEM Gen3
4.6(262)$69.99
SonoffPOWCT
4.5(241)$38.19
ShellyEM Mini Gen4
4.5(120)$24.99
SonoffMINI PM Zigbee Power Meter (Non-Switch)
4.0(81)$15.90
AeotecHome Energy Meter 8
4.2(24)$95.99
SonoffMINI PM Matter Over WiFi Power Meter (Non-Switch)
5.0(1)$15.90
ZemismartSPM01
40% OFF$43.33$26.00
EmporiaVue Utility Connect
$39.99- Price alerts
Energy Monitors under $100, updated as prices fall
We check the price of every Energy Monitor in the catalog daily, and email you the ones that drop into this range.
ZemismartSPM02
40% OFF$70.99$42.60
RefossEM01P
16% OFF$82.99$69.99
ZemismartSDM01
50% OFF$165.22$82.61
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Frequently asked questions
What are the best smart energy monitors under $100?
Shelly EM Gen3, SONOFF POWCT and Shelly EM Mini Gen4 lead our ranking of smart energy monitors under $100, ordered by customer rating weighted by how many reviews back it. The full list compares 11 products in this price range.
How many smart energy monitors cost less than $100?
This page tracks 11 smart energy monitors under $100 from 6 brands, with prices starting at $15.90.
Are these prices up to date?
Prices come from each product's Amazon listing and are re-checked continuously, so every card shows the latest price we have. A product whose price rises above $100 drops off this list on the next update.
Looking for more than $100?
See all the energy monitors in the catalog, compared side by side on specs, price and rating.