Shelly · Updated June 2026
Shelly 3EM Smart 3-Phase Energy Meter: price & specs
The Shelly 3EM Smart 3-Phase Energy Meter costs $121.49, #3 cheapest of 8 home energy monitors (median $169). It earns a Bronze Deskmark — 36/100 pay-blind standing, #6 of 7 in class.
Verified Jun 27, 2026 · figures linked to their source in the table below
Shelly 3EM Smart 3-Phase Energy Meter. Every price and spec below is linked to its source and dated — no guesses.
Source: us.shelly.com verified ✓ corroborated verify in ledger
Is the Shelly 3EM Smart 3-Phase Energy Meter a good buy?
At $121, the Shelly 3EM Smart 3-Phase Energy Meter is #3 cheapest of the 8 home energy monitors we track, where the median is $169. On the spec sheet, its branch circuit count of 0 is the lowest of the 8, and its main circuit amps of 120 is below the median of the 7.
Specifications
| Price (US) | $121.49 MSRP from us.shelly.com. Currently out of stock. |
|---|---|
| Brand | Shelly |
| Released | — |
| Monitoring type | ct-clamp |
| Main circuit amps | 120 |
| Branch circuit count | 0 |
| Connectivity protocol | Wi-Fi 802.11 b/g/n |
| Solar net metering | Yes |
| Local api support | Yes |
| Subscription required | No |
| App platforms | iOS, Android, web |
| Accuracy percent | — |
| Installation type | din-rail |
| Smart home integrations | Home Assistant, Alexa, Google Home, MQTT, CoAP, REST API |
| Etl ul certified | — |
Source: us.shelly.com (verified 2026-06-27) · corroborated by kb.shelly.cloud. Price $121.49 confirmed on us.shelly.com. Out of stock confirmed. 3-phase, 3x 120A CTs, Wi-Fi, MQTT/CoAP/REST API confirmed via KB. NOT UL listed confirmed (KB explicitly states 'UL Listed option: No'). Accuracy not explicitly stated — set null. DIN-rail installation confirmed. 2-way consumption measurement supports solar.
Is the Shelly 3EM Smart 3-Phase Energy Meter worth it vs cheaper home energy monitors?
Shelly 3EM Smart 3-Phase Energy Meter against its closest cheaper and pricier home energy monitors on the specs that matter — every value sourced. See all 8 ranked →
| Product | Price | Monitoring type | Main circuit amps | Branch circuit count | Connectivity protocol | Solar net metering |
|---|---|---|---|---|---|---|
| Shelly 3EM Smart 3-Phase Energy Meter this | $121.49 | ct-clamp | 120 | 0 | Wi-Fi 802.11 b/g/n | Yes |
| Emporia Vue 3 Home Energy Monitor (Monitor Only) | $99.99 | ct-clamp | 200 | 0 | Wi-Fi 802.11 b/g/n + Ethernet | Yes |
| Eyedro EYEFI-4 Home Energy Monitor | $139 | ct-clamp | 200 | 0 | Wi-Fi 802.11 b/g/n | Yes |
Frequently asked questions
How much does the Shelly 3EM Smart 3-Phase Energy Meter cost?
The Shelly 3EM Smart 3-Phase Energy Meter has a US price of $121.49 (MSRP from us.shelly.com. Currently out of stock.), as of 2026-06-27.
How does the Shelly 3EM Smart 3-Phase Energy Meter compare on price?
At $121, the Shelly 3EM Smart 3-Phase Energy Meter is #3 cheapest of the 8 home energy monitors we track, where the median is $169.
What are the Shelly 3EM Smart 3-Phase Energy Meter's key specs?
Shelly 3EM Smart 3-Phase Energy Meter (Shelly): monitoringType ct-clamp, mainCircuitAmps 120, branchCircuitCount 0, connectivityProtocol Wi-Fi 802.11 b/g/n, solarNetMetering Yes. Full sourced spec sheet verified 2026-06-27.
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