Shelly EM Gen3 is the top pick among smart energy monitors under $100, rated 4.6 stars across 241 customer reviews.
ShellyEM Gen3
$69.99
SonoffPOWCT
$38.19
ShellyEM Mini Gen4
$24.99
AeotecHome Energy Meter 8
$95.99
ZemismartSPM01
40% OFF$43.33$26.00
EmporiaVue Utility Connect
$39.99
ZemismartSPM02
40% OFF$70.99$42.60
RefossEM01P
16% OFF$82.99$69.99
RefossEM06P
22% OFF$104.99$81.99
ZemismartSDM01
50% OFF$165.22$82.61
MerossEM06P
19% OFF$111.99$90.99
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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 7 brands, with prices starting at $24.99.
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.