
The Smart Device Compare comparison
Aeotec Home Energy Meter 8 vs Shelly Pro EM-50
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Key differences between Aeotec Home Energy Meter 8 and Shelly Pro EM-50
A summary of selected recorded differences between these energy monitors. Check the full specification table below for details and conditions.
- 2.4 GHz Wi-Fi (connectivity): Aeotec Home Energy Meter 8 — No; Shelly Pro EM-50 — Yes.
- Bluetooth (connectivity): Aeotec Home Energy Meter 8 — No; Shelly Pro EM-50 — Yes (Bluetooth 4.2, also works as a Bluetooth gateway).
- Ethernet (connectivity): Aeotec Home Energy Meter 8 — No; Shelly Pro EM-50 — Yes.
- Load Management (features): Aeotec Home Energy Meter 8 — No; Shelly Pro EM-50 — Yes (Configurable load control to divert surplus PV production).
- Other (connectivity): Aeotec Home Energy Meter 8 — No; Shelly Pro EM-50 — Modbus.
- Z Wave (connectivity): Aeotec Home Energy Meter 8 — Z-Wave Hub required (Z-Wave 800 series with Long Range, S2 security, also acts as a repeater); Shelly Pro EM-50 — No.
- Power Supply (installation): Aeotec Home Energy Meter 8 — Mains (120 V); Shelly Pro EM-50 — Mains (100-260 V).
- Accuracy (metering): Aeotec Home Energy Meter 8 — 99% (Better than 99% above 0.05 A); Shelly Pro EM-50 — ±1% (Accuracy Class B for active energy, ±1% from 5 A to 50 A).
- 8 of 39 comparison fields lack a resolved value for at least one selected device. Missing information is not evidence that a feature is absent.
- Check the full table and manufacturer documentation before ruling out a device.
These observations are derived from recorded catalog data and have not all been independently verified. Confirm details with the manufacturer before purchasing.
Compare capabilities, compatibility and setup requirements.


What the catalog tells us
Understand the tradeoffs.
These counts describe the available data, not a quality score. More features do not automatically make a better device.
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Mark the specifications you care about. Open manufacturer sources for verification scope; fields without citations remain catalog data. Expand notes for other qualifications.
Showing 39 of 39 rows. “Not recorded” does not mean “No”.
Connectivity
- Aeotec Home Energy Meter 8
- No
- Shelly Pro EM-50
- Yes
- Aeotec Home Energy Meter 8
- No
- Shelly Pro EM-50
- No
- Aeotec Home Energy Meter 8
- No
- Shelly Pro EM-50
- Yes
Catalog note
Bluetooth 4.2, also works as a Bluetooth gateway
- Aeotec Home Energy Meter 8
- No
- Shelly Pro EM-50
- Yes
- Aeotec Home Energy Meter 8
- No
- Shelly Pro EM-50
- Modbus
- Aeotec Home Energy Meter 8
- No
- Shelly Pro EM-50
- No
- Aeotec Home Energy Meter 8
- Z-Wave Hub required
Catalog note
Z-Wave 800 series with Long Range, S2 security, also acts as a repeater
- Shelly Pro EM-50
- No
- Aeotec Home Energy Meter 8
- No
- Shelly Pro EM-50
- No
Data Monitoring
- Aeotec Home Energy Meter 8
- Not applicable / unspecified
- Shelly Pro EM-50
- Yes
Catalog note
CSV export of the consumption chart
- Aeotec Home Energy Meter 8
- Not applicable / unspecified
- Shelly Pro EM-50
- 60 days
Catalog note
At least 60 days of 1-minute data stored on the device
- Aeotec Home Energy Meter 8
- Not applicable / unspecified
- Shelly Pro EM-50
- Yes
- Aeotec Home Energy Meter 8
- Not recorded
- Shelly Pro EM-50
- Not recorded
- Aeotec Home Energy Meter 8
- Not applicable / unspecified
- Shelly Pro EM-50
- Yes
Catalog note
Cost periods and tariff distribution in the Shelly Smart Control app
- Aeotec Home Energy Meter 8
- Not applicable / unspecified
- Shelly Pro EM-50
- Yes
Features
- Aeotec Home Energy Meter 8
- Yes
Catalog note
Through the Z-Wave hub, not the device itself
- Shelly Pro EM-50
- Yes
- Aeotec Home Energy Meter 8
- No
- Shelly Pro EM-50
- Yes
Catalog note
Configurable load control to divert surplus PV production
- Aeotec Home Energy Meter 8
- No
- Shelly Pro EM-50
- Yes
Catalog note
Integrated switch with potential-free contacts, 2 A at 240 V
Installation
- Aeotec Home Energy Meter 8
- Yes
- Shelly Pro EM-50
- Yes
- Aeotec Home Energy Meter 8
- No
- Shelly Pro EM-50
- Yes
Catalog note
One DIN module wide
- Aeotec Home Energy Meter 8
- Mains (120 V)
- Shelly Pro EM-50
- Mains (100-260 V)
- Aeotec Home Energy Meter 8
- No
- Shelly Pro EM-50
- No
Integrations
- Aeotec Home Energy Meter 8
- No
Catalog note
Alexa has no energy meter device type and this meter has no relay to expose as a switch, so a skill has nothing to publish
- Shelly Pro EM-50
- Yes
- Aeotec Home Energy Meter 8
- No
- Shelly Pro EM-50
- No
- Aeotec Home Energy Meter 8
- Not recorded
- Shelly Pro EM-50
- Yes
- Aeotec Home Energy Meter 8
- Yes
Catalog note
Via the Z-Wave JS integration
- Shelly Pro EM-50
- Yes
- Aeotec Home Energy Meter 8
- No
- Shelly Pro EM-50
- No
- Aeotec Home Energy Meter 8
- Yes
- Shelly Pro EM-50
- Yes
Catalog note
Via the official Shelly Cloud integration
Local Control
- Aeotec Home Energy Meter 8
- No
- Shelly Pro EM-50
- Yes
Catalog note
RPC over HTTPS and WebSocket, UDP, webhooks, scripting and Modbus TCP
- Aeotec Home Energy Meter 8
- No
- Shelly Pro EM-50
- Yes
- Aeotec Home Energy Meter 8
- No
- Shelly Pro EM-50
- Yes
Metering
- Aeotec Home Energy Meter 8
- 99%
Catalog note
Better than 99% above 0.05 A
- Shelly Pro EM-50
- ±1%
Catalog note
Accuracy Class B for active energy, ±1% from 5 A to 50 A
- Aeotec Home Energy Meter 8
- Yes
- Shelly Pro EM-50
- Yes
Catalog note
4 quadrant measurement with a returned energy counter
- Aeotec Home Energy Meter 8
- Not applicable / unspecified
- Shelly Pro EM-50
- Not applicable / unspecified
- Aeotec Home Energy Meter 8
- 2
Catalog note
2 x 200 A clamps for the service mains
- Shelly Pro EM-50
- 2
Catalog note
2 x 50 A current transformers
- Aeotec Home Energy Meter 8
- 200 A
- Shelly Pro EM-50
- 50 A
- Aeotec Home Energy Meter 8
- 2
- Shelly Pro EM-50
- 2
- Aeotec Home Energy Meter 8
- Yes
Catalog note
Reports V, A, W, kWh, power factor and reactive power
- Shelly Pro EM-50
- Yes
Catalog note
Active and apparent power, power factor, frequency and voltage
- Aeotec Home Energy Meter 8
- Yes
- Shelly Pro EM-50
- No
Catalog note
Single-phase device with two current channels
- Aeotec Home Energy Meter 8
- No
Catalog note
The US model is the 2-phase / split-phase variant; three-phase is a separate EU version
- Shelly Pro EM-50
- No
| Specification | Aeotec Home Energy Meter 8 | Shelly Pro EM-50 |
|---|---|---|
| Connectivity | ||
| No | Yes | |
| No | No | |
| No | YesCatalog noteBluetooth 4.2, also works as a Bluetooth gateway | |
| No | Yes | |
| No | Modbus | |
| No | No | |
Z-Wave Hub requiredCatalog noteZ-Wave 800 series with Long Range, S2 security, also acts as a repeater | No | |
| No | No | |
| Data Monitoring | ||
| Not applicable / unspecified | YesCatalog noteCSV export of the consumption chart | |
| Not applicable / unspecified | 60 daysCatalog noteAt least 60 days of 1-minute data stored on the device | |
| Not applicable / unspecified | Yes | |
| Not recorded | Not recorded | |
| Not applicable / unspecified | YesCatalog noteCost periods and tariff distribution in the Shelly Smart Control app | |
| Not applicable / unspecified | Yes | |
| Features | ||
YesCatalog noteThrough the Z-Wave hub, not the device itself | Yes | |
| No | YesCatalog noteConfigurable load control to divert surplus PV production | |
| No | YesCatalog noteIntegrated switch with potential-free contacts, 2 A at 240 V | |
| Installation | ||
| Yes | Yes | |
| No | YesCatalog noteOne DIN module wide | |
| Mains (120 V) | Mains (100-260 V) | |
| No | No | |
| Integrations | ||
NoCatalog noteAlexa has no energy meter device type and this meter has no relay to expose as a switch, so a skill has nothing to publish | Yes | |
| No | No | |
| Not recorded | Yes | |
YesCatalog noteVia the Z-Wave JS integration | Yes | |
| No | No | |
| Yes | YesCatalog noteVia the official Shelly Cloud integration | |
| Local Control | ||
| No | YesCatalog noteRPC over HTTPS and WebSocket, UDP, webhooks, scripting and Modbus TCP | |
| No | Yes | |
| No | Yes | |
| Metering | ||
99%Catalog noteBetter than 99% above 0.05 A | ±1%Catalog noteAccuracy Class B for active energy, ±1% from 5 A to 50 A | |
| Yes | YesCatalog note4 quadrant measurement with a returned energy counter | |
| Not applicable / unspecified | Not applicable / unspecified | |
2Catalog note2 x 200 A clamps for the service mains | 2Catalog note2 x 50 A current transformers | |
| 200 A | 50 A | |
| 2 | 2 | |
YesCatalog noteReports V, A, W, kWh, power factor and reactive power | YesCatalog noteActive and apparent power, power factor, frequency and voltage | |
| Yes | NoCatalog noteSingle-phase device with two current channels | |
NoCatalog noteThe US model is the 2-phase / split-phase variant; three-phase is a separate EU version | No | |
Know what’s behind the comparison.
The table matches specifications by section and field. It preserves notes, separates missing data from explicit “No” values, and keeps qualifications attached to their values. No overall winner is assigned from feature counts.
Read our comparison methodology