Device Comparison
Leviton LWHEM-2 vs Schneider Energy Monitor vs SPAN Panel
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Use this comparison when the decision is less about raw metering specs and more about how deeply you want energy visibility tied into the electrical panel and backup strategy.
| Install fit | |||
|---|---|---|---|
| Phase support | Split-phase residential service in a Leviton Load Center, with optional CT pairs for alternate energy sources | North American split-phase homes | North American split-phase 120/240V service |
| Installation | Panel-mounted load-center accessory installed in a Leviton Load Center with a dedicated 2-pole breaker and CT clamps | Panel-installed CT clamp home energy monitor | Replacement smart electrical panel |
| Measurement | Whole-home CT-based energy monitor for grid consumption and alternate energy-source production | Whole-home CT energy monitor with app-based real-time usage tracking | Circuit-level smart panel monitoring and control |
| Max current | 200 A | 200 A | 200 A |
| Nominal voltage | Unknown | 120/240 V AC | Unknown |
| Meter fit | |||
| Current sensing | Unknown | 1 pair of CTs included | Unknown |
| Monitoring | |||
| Protocol | Wi-Fi / My Leviton app | Wi-Fi / Ethernet IP / Zigbee / Schneider Home app | App / Smart Panel Ecosystem |
| Local API | No | No | No |
| Cloud dependency | App-led My Leviton ecosystem over Wi-Fi; the reviewed official source set describes app monitoring and remote control, not an open local API workflow. | Schneider Home/Wiser app cloud path is required for normal homeowner use. | SPAN app and cloud ecosystem are central for normal monitoring and control. |
| Home Assistant | No | No | No |
| Solar fit | |||
| Solar import/export | Yes | Yes | Yes |
| Buying context | |||
| Price range | About USD 375 to 400 | About $250-$400 | Installer supplied; premium smart-panel installed pricing |
| Availability | USA / Canada | US, Canada | US |
| Source check | |||
| Last verified | May 17, 2026 | May 18, 2026 | May 18, 2026 |
| Product page | Official page | Official page | Official page |
| Documentation | Official docs | Official docs | Official docs |
Verdict
Choose Leviton or Schneider for monitoring-first upgrades, and SPAN when smart load management and panel-level orchestration are the real priorities.