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.

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