Shelly EM Gen3 is the top pick among smart energy monitors under $100, rated 4.6 stars across 274 customer reviews.

EM Gen3
4.6(274)$69.99

POWCT
4.5(260)$38.19
EM Mini Gen4
4.5(158)$24.99

MINI PM Zigbee Power Meter (Non-Switch)
4.1(128)$15.90
Zigbee Smart Energy Monitor
4.7(69)$57.47

Home Energy Meter 8
4.2(26)$95.99

MINI PM Matter Over WiFi Power Meter (Non-Switch)
4.7(13)$15.90
40% OFF
SPM01
$26.00$43.33

Vue Utility Connect
$39.99
40% OFF
SPM02
$42.60$70.99- News by email
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16% OFF
EM01P
$69.99$82.99
50% OFF
SDM01
$82.61$165.22
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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 12 products in this price range.
How many smart energy monitors cost less than $100?
This page tracks 12 smart energy monitors under $100 from 7 brands, with prices starting at $15.90.
Are these prices up to date?
Prices 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.
